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Current Transformer

4 - 1

Current Transformer

Contents of this section

Scope of Current Transformer Tests............................................... page 4-2

CT Ratio (and Burden) .................................................................... page 4-3

Testing Ratio, Polarity (and Burden)
with Injection to Current Input ..................................................... page 4-3

Testing Ratio, Polarity (and Burden) with a Current Clamp ..... page 4-10

CT Burden..................................................................................... page 4-11

CT Excitation (Kneepoint) ............................................................. page 4-15

Winding Resistance ...................................................................... page 4-20

Voltage Withstand Test ................................................................. page 4-25

Polarity Check ............................................................................... page 4-28

CT RatioV (with Voltage)............................................................... page 4-33

CT Rogowski (Ratio) ..................................................................... page 4-38

CT Low Power (Ratio)................................................................... page 4-43

TanDelta........................................................................................ page 4-48

Note:

With regard to software handling, this section confines to test-relevant
issues, and does not go into detailed procedural descriptions.

It is assumed that you have read and understood the section ”How to
Use the CPC 100 Software” on page 2-17.

Содержание CPC 100

Страница 1: ...CPC 100 Reference Manual PRIMARY TEST SYSTEM FOR SUBSTATION EQUIPMENT COMMISSIONING AND MAINTENANCE Accessories included...

Страница 2: ...on specifications and all technical data contained within this Reference Manual are not contractually binding OMICRON electronics reserves the right to make changes at any time to the technology and o...

Страница 3: ...Fuses 1 11 CPC 100 in combination with CP TD1 1 12 Designated Use 1 13 Functionality of CPC 100 1 13 CPC 100 Versions 1 15 Introduction 2 Functional Components of CPC 100 2 2 Front Panel 2 2 High Vol...

Страница 4: ...6 Power Output Settings 3 7 Trigger Settings 3 11 Current Transformer 4 Scope of Current Transformer Tests 4 2 CT Ratio and Burden 4 3 Testing Ratio Polarity and Burden with Injection to Current Inpu...

Страница 5: ...est 4 36 CT Rogowski Ratio 4 38 Test Settings 4 39 Measurements 4 40 Automatic Test vs Manual Test 4 41 CT Low Power Ratio 4 43 Test Settings 4 44 Measurements 4 45 Automatic Test vs Manual Test 4 46...

Страница 6: ...former 6 Scope of Transformer Tests 6 2 TRRatio per Tap 6 3 Test Settings 6 7 Measurements 6 10 Carrying Out a TR Ratio Test per Tap 6 11 Winding Resistance 6 13 Test settings 6 15 Measurements 6 16 T...

Страница 7: ...ing a Sequence of States 8 4 Testing an Overcurrent Relay with ARC Function 8 11 Measuring a CT Ratio at Different Current Magnitudes 8 14 Generating an Intermittent High Current Output 8 16 Ramping 8...

Страница 8: ...stallation of the OMICRON Device Browser Software 12 2 Computer Requirements 12 2 Installing the OMICRON Device Browser 12 2 Using the OMICRON Device Browser 12 3 Starting the OMICRON Device Browser 1...

Страница 9: ...st Card 14 5 Inserting a Test Card 14 6 Inserting from File 14 6 Copying a Test Card 14 7 Renaming a Test Card 14 8 Saving a Test 14 8 Saving a Test as Template 14 8 Deleting a Test Card 14 9 Preparin...

Страница 10: ...ement 16 28 ePC Interfaces 16 29 PC and Network Interfaces CPC 100 V0 only 16 29 Network Interface CPC 100 V1 only 16 29 USB Interface CPC 100 V1 only 16 29 Serial Interface Connector 16 30 Connector...

Страница 11: ...Batteries in CPOL 17 11 Current Clamp C Probe 1 17 13 Ordering Information for C Probe 1 17 13 CP SA1 17 14 Ordering Information for CP SA1 17 14 Reference Manual 17 15 Cables 17 15 Clamps 17 16 Plugs...

Страница 12: ...CPC 100 V1 41 x...

Страница 13: ...eference Manual The purpose of this Reference Manual is to familiarize users with CPC 100 and its various application fields It contains helpful instructions on how to use CPC 100 safely properly and...

Страница 14: ...evance These symbols are listed in the following section In addition the glossary lists a number of terms that are frequently used throughout this manual Used Symbols Note Indicates notes with special...

Страница 15: ...Ethernet One of the most popular network connection standards IEEE 802 3 based on the CSMA CD Carrier Sense Multiple Access with Collision Detection model See also NIC fs fs full scale used for determ...

Страница 16: ...el to execute the E N T E R function Quantity The term quantity designates a physical unit such as Volt V or Ampere A rd rd reading used for determining the error value of a measurement range For an e...

Страница 17: ...CPC 100 is exclusively intended for the application fields specified in detail in Designated Use on page 1 13 Any other use is deemed not to be according to the regulations The manufacturer distributo...

Страница 18: ...Power Supply Supply CPC 100 only from a power outlet that has protective earth PE An error message 313 appears if either the PE connection is defective or the power supply has no galvanic connection...

Страница 19: ...at 800A To prevent burns use gloves when touching the cables while in operation or a short while after Do not insert objects for example screwdrivers etc into any input output socket Never use the tes...

Страница 20: ...with a high inductance Use the RWinding winding resistance and TRTapCheck tap changer winding resistance and on load tap changer interruption check test cards only As long as the CPC 100 software show...

Страница 21: ...able has a coaxial safety plug that is certified for a voltage level of 2kV AC The other end is equipped with a safety banana plug that is insulated with a shrink tube When CPC 100 is switched on cons...

Страница 22: ...nection clamps at one end If these connection clamps are attached to a test object s terminal that is situated above your head make sure the clamp is securely attached Due to the weight of the cables...

Страница 23: ...ect feeding power back into CPC 100 Locate the blown fuse on the front panel of CPC 100 and replace it 6 3A T 6 3 Amps slow acting wire fuse 5x20mm for AC OUTPUT in 6A operation mode1 or for DC OUTPUT...

Страница 24: ...TD1 in chapter 9 of this manual On principle the safety instructions that apply to CPC 100 and its accessories also apply to CP TD1 However CP TD1 requires some additional precautions and measures Th...

Страница 25: ...l of a built in ePC Glossary Functionality of CPC 100 Current transformer CT testing ratio polarity and burden with injection to current input testing ratio polarity and burden with a current clamp te...

Страница 26: ...frequency and phase angle Insulation tests TanDelta CP TD1 for on site insulation tests of high voltage systems like power and measuring transformers circuit breakers capacitors and isolators Automat...

Страница 27: ...de of your CPC 100 Depending on the version CPC 100 is delivered with different processor and ePC interface options described below For detailed information on the ePC interfaces see ePC Interfaces on...

Страница 28: ...CPC 100 V1 41 1 16...

Страница 29: ...7 The principles of test cards and test procedures page 2 17 Starting the Software page 2 20 View Selector page 2 21 Accelerator Keys page 2 22 Test Card View page 2 22 Inserting Test Cards page 2 23...

Страница 30: ...rd Built in ePC Built in ePC with front panel control We recommend not to use more than 15 test cards or 50 test results in one test procedure see Note below I 0 Warning lights that indicate either a...

Страница 31: ...o mains regardless whether or not an external booster is selected on the software tab Options Device Setup the green warning warning light 0 is on the outputs are turned off or the Emergency Stop butt...

Страница 32: ...al Emergency Stop or dead man button an external test start stop push button external I O warning lights The attached plug contains a jumper for the emergency stop or dead man function and as long as...

Страница 33: ...or that can be connected to a network hub or directly to a PC or a notebook The CPC 100 V1 provides the following LEDs on the ePC interface Green LED lights if CPC 100 is properly connected to a PC or...

Страница 34: ...6A current mode and the DC OUTPUT The 3 15A T 3 15 Amps slow acting wire fuse 5x20mm protects the AC OUTPUT in 130V voltage mode and in the 3A AC current mode 2 The 800A output sockets are situated at...

Страница 35: ...and protected against external high voltage signals as well as over temperature Note The length of time a high current or a voltage can be applied may be limited due to a high temperature occurrence...

Страница 36: ...gh Voltage Outputs on page 16 5 The current that flows from this output is measured internally by CPC 100 and displayed on the respective test card All outputs are overload and short circuit proof and...

Страница 37: ...ts are galvanically connected All other inputs and outputs are separated 1 IAC DC current measuring input 10A AC and DC Measuring input for AC and DC current of 0 10A depending on the selected test ca...

Страница 38: ...r 7 Binary trigger signal input to be used with a toggling potential free contact or with voltages up to 300V DC The response time of this input is 1ms and it is galvanically separated from all other...

Страница 39: ...flashes Dangerous voltage and or current at output 3 Output is switched ON Red signal lamp I flashes Dangerous voltage and or current at output safe operating condition Dangerous operating condition...

Страница 40: ...oftware on the tab Options Device Setup refer to Device Setup on page 33 of this chapter Note The connector Ext Booster is always galvanically connected to mains regardless whether or not an external...

Страница 41: ...4A 1kV 2A 2kV 1A 500V 500V 500V 500V 65V 65V 3 15A 6 3A ADC I U U U U I I DSP Digital Signal Processor Built in ePC Ethernet RS 232 optional optional interfaces plug in boards analog or digital 2kV 8...

Страница 42: ...s in detail how to work with the front panel control components how to set up a test execute it and save it for later use Via the built in ePC CPC 100 can be accessed from a stand alone PC for example...

Страница 43: ...s pressed to enter the field and to enable data entry turning the handwheel increases decreases the entry field s value or browses through the preset values of the combo box respectively Pressing the...

Страница 44: ...software s Test Card View the Emergency Stop button is released and the safety key lock is set to the enable position pressing this push button enables CPC 100 outputs and starts a test Pressing this...

Страница 45: ...ction The principles of test cards and test procedures Test cards The CPC 100 software comprises a number of test cards A test card carries out one specific test for example measuring a CT excitation...

Страница 46: ...est procedure with all of its test cards and specific settings but without test results can be made the test procedure default When the CPC 100 software starts it automatically loads the test procedur...

Страница 47: ...in more detail Also refer to Creating Defaults and Templates on page 42 of this chapter Test Card Test Card Test settings settings Test Procedure settings settings results Test Card Test Procedure Te...

Страница 48: ...edures on page 17 of this chapter Initially the test procedure default contains one empty Quick test card1 However this default can be customized according to your specific requirements with as many t...

Страница 49: ...procedure Defines the test procedure default File Operations Lets you save load delete copy and rename test procedures Some of these features call up the String Editor described at The String Editor i...

Страница 50: ...card default for that particular type of card for example filling out a CTRatioV test card with certain values and pressing SA V E A S D E F AU L T makes this card the new CTRatioV test card default...

Страница 51: ...above listed functions visible the focus Glossary must be set onto the test card tab designation for example CTRatioV Inserts a test card of your choice and places it after the selected test card of...

Страница 52: ...this process Pressing E S C closes Insert a new test card and brings you back to the previous view without inserting a new test card Note Only test cards that are licensed can be inserted When you pu...

Страница 53: ...ue itself is highlighted the unit is not and at the value s end a blinking caret cursor indicates ready for data entry Now either use the UP D O W N keys to approximate the value of your choice quickl...

Страница 54: ...ombo box for example press the handwheel to enter the combo box for selection and either navigate through the list of available parameters by rotating the handwheel or by using the U P D OW N keys Pre...

Страница 55: ...UP D O W N keys a read only list box is treated as one UI element that is pressing one of the keys exits the list box and sets the focus onto the next previous UI element In an editable list box turn...

Страница 56: ...b in the Options view see Options on page 33 of this chapter the same properties can be set for all test cards of a test procedure As a rule do not use the Settings page described here but the Device...

Страница 57: ...ard changing the view etc are disabled To repeat the test the test results need to be cleared beforehand Otherwise the start is blocked Note Tests can only be started and stopped with the I O test sta...

Страница 58: ...tched off automatically With deactivated outputs the temperature gauge s bar represents an indicator how much the device has already cooled off No overload indication means no overload during that ste...

Страница 59: ...card from the test procedure With S AV E A S D E F A U L T Test Procedure Overview provides a function to save the current test procedure as the test procedure default that is the default the CPC 100...

Страница 60: ...s in a tree structure of your choice save tests in these folders and carry out file operations such as open save rename copy paste etc For CPC 100 V1 units with a USB memory stick plugged in a second...

Страница 61: ...L E A R R E SU L T S menu key in all test cards before setting the test procedure in the Options view It is strongly recommended to set the test cards using the Options view In well founded cases you...

Страница 62: ...under test directly but using a current clamp a CT or a VT the ratio of these devices can be set here The Clamp input transformer settings group box displays and if required allows you to change sett...

Страница 63: ...est settings in fixed intervals These intervals can be set in the Auto Save box There are three time intervals available 10 30 or 60 minutes and the option OFF which disables Auto Save Auto Save saves...

Страница 64: ...0 software to factory defined defaults including the test card defaults the test procedure default all settings made at the Device Setup tab sets external booster to CB2 sets CT and VT to OFF and sets...

Страница 65: ...the communication parameters are configured press SA V E OP T I O N S to save them to the Windows Registry For a change to come into effect the operating system needs to be re booted that is CPC 100 r...

Страница 66: ...areas Date Time Figure 25 Options tab Date Time Specify the system s date and time here To set the time put the focus onto the Time field using the handwheel use the U P D O W N keys to select between...

Страница 67: ...and sort dates times numbers and decimal points Service Figure 27 Options tab Service During operation CPC 100 creates a log file with a user definable logging level see below Every time CPC 100 is sw...

Страница 68: ...errors hardware errors operational errors overload conditions etc Warning uncritical errors such as over temperature malfunction etc Info additional operational information about CPC 100 This setting...

Страница 69: ...formation Serial Number CPC 100 serial number OS Version operating system with version Software Version CPC 100 software version Hardware CPC 100 hardware The last two positions indicate the CPC 100 h...

Страница 70: ...t will later be inserted to a test procedure will already hold these new settings In the CPC 100 file system a test card default is not visible as a file refer to The CPC 100 File System in chapter 9...

Страница 71: ...e refer to The CPC 100 File System in chapter 9 Note With the CPC 100 V0 the number of test cards in one test procedure should be limited to 15 to avoid memory problems The CPC 100 V1 allows using mor...

Страница 72: ...p 2 At the CPC 100 front panel view selector switch to the Test Procedure Overview Step 3 Press S AV E A S D E F A U L T to make this test procedure the new test procedure default test card 1 test car...

Страница 73: ...ure select P A ST E A S T E M P L a file name xmt is generated If this file name xmt already exists you will be asked whether or not to overwrite the existing file If you answer this question with NO...

Страница 74: ...ct Protect yourself and your working environment against an accidental re connection of high voltage by other persons and circumstances Verify a safe isolation of the test object Earth connect and sho...

Страница 75: ...t from the test object 6 Turn on CPC 100 at its POWER switch at the left hand side The green warning light O lights up showing that none of CPC 100 outputs carries a dangerous voltage or current yet 7...

Страница 76: ...nection between CPC 100 and the test object Never touch any metallic terminals and housing components without a visible ground connection Notes A test can only be started in the Test Card View and wit...

Страница 77: ...est card CPC 100 starts in the Test Card View refer to Test Card View on page 2 22 with the test procedure default Initially the test procedure default contains one empty Quick test card However this...

Страница 78: ...n state pressing the I O test start stop push button terminates the test The CPC 100 outputs are turned off and Quick returns to the measuring mode Pressing the S E T T I N G S menu key opens the Sett...

Страница 79: ...ent on page 6 of this chapter I Out I Out sel I Clamp I Clamp sel CT CT sel V DC I DC f V1 AC f Out V Out and I Out represent the measured values of the actual output range Each combo box has two corr...

Страница 80: ...are available else n a and differences U and U I I Ratio 1 Ratio 5 Diff Ratio m1 m2 and phase angle m1 m2 if phase angles are available else n a and differences I and I V I For AC Z or R X Impedance...

Страница 81: ...ent circuit or capacity Cp in F parallel equivalent circuit This is just another representation of the impedance Z measurement Z is displayed in its components Using Rs Ls the impedance is given by Z...

Страница 82: ...antity with the specified frequency is fully taken into consideration for the measurement Quantities with different frequencies are filtered out according to the characteristics shown in Figure 2 Figu...

Страница 83: ...e for the power output the data entry field in Figure 3 that has the focus Glossary The power output value can be changed instantaneously with the handwheel even in the on state and while connected to...

Страница 84: ...the Quick test card Each range has an associated minimum and maximum value a fixed precision value as well as a preset number of decimal characters refer also to Setting Up a Test Card on page 2 25 I...

Страница 85: ...decreases linear proportional to the frequency value refer to Figure 3 Typical maximum output voltage of 2kV AC output depending on frequency and power on page 16 14 Current ranges do not have such a...

Страница 86: ...e icon next to the frequency phase angle data entry field reflects the actual setting If Sync w V1AC is disabled the frequency returns to the previously set frequency value and the icon changes If Qui...

Страница 87: ...ement value m2 set threshold value overload the trigger event is an overload condition that occurs at the selected output What is an Overload trigger At the 800A AC output an overload trigger is a con...

Страница 88: ...a as shown above if either a binary trigger condition no trigger overload was selected After having pressed KE E P R E S U L TS data entry for the threshold value is disabled that is the value cannot...

Страница 89: ...ta entry mode is automatically disabled to prevent this value from being changed The focus however remains on that field enabling instant navigation with the handwheel Pressing the menu key K E E P R...

Страница 90: ...CPC 100 V1 41 3 14...

Страница 91: ...rden page 4 11 CT Excitation Kneepoint page 4 15 Winding Resistance page 4 20 Voltage Withstand Test page 4 25 Polarity Check page 4 28 CT RatioV with Voltage page 4 33 CT Rogowski Ratio page 4 38 CT...

Страница 92: ...ing test cards Figure 1 Inserting CT test cards Highlight the test card of your choice either by navigating with the handwheel or by using the context dependent UP D O WN menu keys and press E NT ER N...

Страница 93: ...s primary side with up to 800 A from the 800A ACoutput or up to 2000 A using the CP CB2 current booster connected to the EXT BOOSTER output It measures amplitude and phase angle of the current at IAC...

Страница 94: ...more information see Settings Page on page 2 28 Range output range Iprim nominal primary current Isec nominal secondary current Itest primary injection current f output frequency Auto select check box...

Страница 95: ...surements Note Select Manual input prior to starting the test If the test card still contains results clear them by pressing CL E A R R ES U L TS When Manual input is selected there is no phase availa...

Страница 96: ...atio polarity and burden with injection to current input Note This option is only useful as long as the injected current Itest is about of the magnitude of the nominal current Iprim Note For CTs that...

Страница 97: ...mp characteristic within 1 second Then Itest is kept for a period of 2 4 seconds and the measurements are taken Next the ramp decreases again within 0 3 second The automatic test stops by itself it ca...

Страница 98: ...t press K E E P R E S U L TS pressing the I O push button has the same effect The last measured values are frozen the test can now be assessed Stop the manual test by pressing the I O test start stop...

Страница 99: ...R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Select Manual input prior to starting the test If the test card still contains results clear them by pres...

Страница 100: ...he test described at Testing Ratio Polarity and Burden with Injection to Current Input on page 3 of this chapter Please refer to this section Note 1 If a current clamp is used to measure Isec select t...

Страница 101: ...AC current from CPC 100 6A ACoutput into the burden The IAC input measures the current that flows into the burden and the V1AC input measures the voltage at the burden From these measurements the burd...

Страница 102: ...ith an external volt meter rather than at input V1AC Measurements Isec nominal secondary current Itest secondary injection current from 6A AC output f output frequency Auto select check box for automa...

Страница 103: ...button to start the test The focus is set onto the I test entry field Set the value of your choice either by turning the handwheel and or by entering it with the numerical keys Now the measurements ar...

Страница 104: ...C L E A R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Select Manual input prior to starting the test If the test card still contains results clear them...

Страница 105: ...the CTExcitation test card to record the excitation curve of a current transformer This test performs an automatic injection of a test voltage of up to 2kV to the current transformer s secondary side...

Страница 106: ...nd ANSI 30 The knee point is recalculated accordingly IEC BS According to IEC 60044 1 the knee point is defined as the point on the curve where a voltage increment of 10 increases the current by 50 AN...

Страница 107: ...test voltage Vtest manually with the handwheel Press the I O test start stop push button to start the test The focus is set onto the V entry field Set the first value of your choice rms value either...

Страница 108: ...during the sweep reduce the test voltage to the minimum Vmin within approx 1s of time and demagnetize the transformer core Figure 11 CT Excitation test card test points set in automatic test mode The...

Страница 109: ...uce the residual induction to zero the CT cores should be demagnetized after all CT tests with DC for example after a measurement of the CT winding resistance or the measurement of the contact resista...

Страница 110: ...CPC 100 connect the device under test to protective earth Figure 13 Setup for a winding resistance test Note Some test cards are available in more than one test mode For example the test card RWindin...

Страница 111: ...tive contact OMICRON electronics sales office for ordering information see Ordering Information for CP SA1 on page 17 14 Before disconnecting the test leads short circuit the transformer s terminals f...

Страница 112: ...int on page 15 of this chapter Range output range Use the 6A DC output for measuring CTs Itest nominal test current R min calculated minimum winding resistance value display only Depends on the value...

Страница 113: ...IDC actual test current from 6A DC output or 400A DC output VDC voltage that IDC generates at the transformer s secondary winding measured at V DC input R meas transformer s winding resistance calcula...

Страница 114: ...n taken into consideration Once all settings are defined press the I O test start stop push button to start the test When the measurements are taken finish the test by assessing it To learn more about...

Страница 115: ...ormer s primary connection P1 Open the secondary ground connection and ground the burden for safety reasons Warning be aware that the terminal that is connected to the transformer s secondary connecti...

Страница 116: ...ically if this value is exceeded The data entry field cannot be accessed Option Auto Select this combo box and specify a duration time for the voltage withstand test to run default 60 seconds After th...

Страница 117: ...tinuously taken Afterwards Vtest decreases in a ramp characteristic When the measurements are taken finish the test by assessing it To learn more about test assessment refer to Test Assessment on page...

Страница 118: ...steepness for the rising and the falling slope The polarity check itself is then done with the accessory CPOL a portable easy to use polarity checker Figure 17 Illustrated setup for a polarity check...

Страница 119: ...ou can confirm it by reversing the probes of CPOL In that case the other LED should light up The battery of CPOL If the capacity of CPOL s battery gets low the LEDs start flashing As long as the LEDs...

Страница 120: ...alue between the minimum and maximum of the selected range is possible T on time span the signal is applied to the output T off time span the signal output is paused A Ton Toff ratio of 2 000s 9 000s...

Страница 121: ...t the test point of your choice using CPOL 4 Add the first test point to the test point table by pressing New Result The column Location displays a default name Point 1 and a n a in the column Assessm...

Страница 122: ...the context dependent menu keys Highlight the test point of your choice by turning the handwheel Press E D I T L O C A TI O N to open the String Editor Use the String Editor functionality refer to Th...

Страница 123: ...thod described in this section is the only solution Both the amplitude of the injected test voltage as well as amplitude and phase angle of the voltage on the transformer s primary side are measured T...

Страница 124: ...manual test refer to page 4 36 Note If the transformer s knee point voltage is approximated or exceeded due to the transformer s saturation the measurement results are not correct anymore If the knee...

Страница 125: ...imary side and phase angle relative to Vsec Iout measured current from Vsec output Ratio ratio Iprim Isec here 200 5 01341 1 The ratio value 5 0134A is calculated as follows Vprim act x Iprim nom Vsec...

Страница 126: ...to start the test The focus is set onto the V test entry field Set the value of your choice either by turning the handwheel and or by entering it with the numerical keys Now the measurements are taken...

Страница 127: ...R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Select Manual input prior to starting the test If the test card still contains results clear them by pres...

Страница 128: ...coil s output signal is either lead via an integrating amplifier or fed into an electronic protection relay with integrator The CTRogowski test card integrates the Rogowski coil s output signal at th...

Страница 129: ...ent f frequency of injected current Itest Auto select check box for automatic test default clear for manual test refer to page 4 41 Note When using the CTRogowski test card the 3V V2AC input uses an a...

Страница 130: ...ut current at the output that is injected into the Rogowski coil s current carrying conductor Vsec secondary voltage measured at V2AC I sec calculated secondary current I sec with k Iprim nom Vsec nom...

Страница 131: ...op push button to start the test The focus is set onto the I test entry field Set the value of your choice either by turning the handwheel and or by entering it with the numerical keys Now the measure...

Страница 132: ...A R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Select Manual input prior to starting the test If the test card still contains results clear them by pre...

Страница 133: ...es linear and without saturation through the entire range up to the short circuit current To carry out this test disconnect the ODU plug of the current transformer s secondary side from the protection...

Страница 134: ...s page but the Device Setup tab in the Options view see Device Setup on page 2 33 to set the test cards For more information see Settings Page on page 2 28 Range output range Iprim nominal primary cur...

Страница 135: ...de Vsec secondary voltage measured at V2AC and its phase angle relative to Iprim Ratio ratio Iprim Vsec here 200 0 22 53 A mV1 1 The value 22 53mV is calculated as follows Vsec act x Iprim nom Iprim a...

Страница 136: ...push button to start the test The focus is set onto the I test entry field Set the value of your choice either by turning the handwheel and or by entering it with the numerical keys Now the measuremen...

Страница 137: ...E A R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Select Manual input prior to starting the test If the test card still contains results clear them by p...

Страница 138: ...system for on site insulation tests of high voltage systems like power and measuring transformers circuit breakers capacitors and isolators CP TD1 works as an add on device to CPC 100 and is described...

Страница 139: ...8 Voltage Withstand Test page 5 13 Polarity Check page 5 16 VT Electronics page 5 21 TanDelta page 5 26 Note With regard to software handling this section confines to test relevant issues and does no...

Страница 140: ...prises the following test cards Figure 1 Inserting VT test cards Highlight the test card of your choice either by navigating with the handwheel or by using the context dependent UP D O WN menu keys an...

Страница 141: ...ratio with injection on the VT s primary side with up to 2kV from AC OUTPUT It measures amplitude and phase angle of the voltage at V1AC and the current on the transformer s secondary side and calcula...

Страница 142: ...uirements Vprim nominal primary voltage with the option value x 1 3 Vsec nominal secondary voltage with the options value x 1 3 value x 1 3 Vtest primary injection voltage By default Vtest Vprim with...

Страница 143: ...assessed To repeat the test first press B A C K TO TO P if applicable and then C L E A R R E S U L TS Manual test Clearing Auto lets you set the test voltage Vtest manually with the handwheel Vprim ac...

Страница 144: ...ring it with the numerical keys Note A value set with the numerical keys needs to be fully entered and acknowledged by pressing either E N TE R or the handwheel before it is applied to the output If n...

Страница 145: ...nowledge your setting The ratio is calculated and displayed To stop the manual test press the I O test start stop The test can now be assessed To repeat the test first press B A C K TO TO P if applica...

Страница 146: ...p to 130V from AC OUTPUT To do so open the circuit as shown in Figure 4 and inject the AC voltage from CPC 100 130V ACoutput into the burden Input IAC measures the current that flows into the burden a...

Страница 147: ...ards For more information see Settings Page on page 2 28 Vsec nominal secondary voltage with the option value x 1 3 f output frequency Auto select check box for automatic test default clear for manual...

Страница 148: ...ble and then C L E A R R E S U L TS Manual test Clearing Auto lets you set the test voltage Vtest manually with the handwheel Press the I O test start stop push button to start the test The focus is s...

Страница 149: ...entry field Enter the measured Isec value either by turning the handwheel or by entering this value with the numerical keys and press E N T E R or the handwheel to acknowledge your setting Now the bu...

Страница 150: ...press B A C K TO TO P if applicable and then C L E A R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Alternatively it is possible to enter the manually me...

Страница 151: ...utput socket marked with a point to earth and the transformer s primary connection N Warning Be aware that the terminals connected to the transformer s secondary connection a and n lead life hazardous...

Страница 152: ...cally if this value is exceeded The data entry field cannot be accessed Option Auto Select this combo box and specify a duration time for the voltage withstand test to run default 60 seconds After thi...

Страница 153: ...d and the measurements are taken Next the ramp decreases again When the measurements are taken finish the test by assessing it To learn more about test assessment refer to Test Assessment on page 10 2...

Страница 154: ...ent steepness for the rising and the falling slope The polarity check itself is then done with the accessory CPOL a portable easy to use polarity checker Figure 8 Illustrated setup for a polarity chec...

Страница 155: ...confirm it by reversing the probes of CPOL In that case the other LED should light up The battery of CPOL If the capacity of CPOL s battery gets low both LEDs start flashing simultaneously As long as...

Страница 156: ...he parameter fields and enter the values according to your test requirements Clear the option Intermittent when working with voltage outputs Range output range Ampl maximum amplitude of polarity check...

Страница 157: ...ult name Point 0 and a n a in the column Assessment shows that no assessment was done yet 5 If you need multiple test points repeat items 3 4 as often as needed 6 For the assessment there are two alte...

Страница 158: ...the context dependent menu keys Highlight the test point of your choice by turning the handwheel Press E D I T L O C A TI O N to open the String Editor Use the String Editor functionality refer to Th...

Страница 159: ...t the plug of the electronic transformer s secondary side from the protection relay plug it into CPC 100 V2AC input and inject voltage from the 2kV AC output to the electronic transformer s primary si...

Страница 160: ...requirements Vprim nominal primary voltage with the option value x 1 3 Vsec nominal secondary voltage with the options value x 1 3 value x 1 3 Vtest primary injection voltage By default Vtest Vprim w...

Страница 161: ...primary side Vsec secondary voltage measured at V2AC and its phase angle relative to Vprim nominal Ratio ratio Vprim Vsec here 10000 0 3 1 002 3 1 1 The value 1 002 3 is calculated as follows Vsec act...

Страница 162: ...stop push button to start the test The focus is set onto the V test entry field Set the value of your choice either by turning the handwheel and or by entering it with the numerical keys Now the meas...

Страница 163: ...R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2 Note Select Manual input prior to starting the test If the test card still contains results clear them by pressi...

Страница 164: ...system for on site insulation tests of high voltage systems like power and measuring transformers circuit breakers capacitors and isolators CP TD1 works as an add on device to CPC 100 and is described...

Страница 165: ...ta page 6 29 Note 1 With regard to software handling this section confines to test relevant issues and does not go into detailed procedural descriptions It is assumed that you have read and understood...

Страница 166: ...ormer comprises the following test cards Figure 1 Inserting Transformer test cards Highlight the test card of your choice either by navigating with the handwheel or by using the context dependent UP D...

Страница 167: ...secondary voltage at V1 AC From these values it calculates the ratio and its deviation from the nominal ratio in percent In addition the exciting current is measured as well as the phase angles of bot...

Страница 168: ...CPC 100 V1 41 6 4 Figure 3 Setup for testing a power transformer ratio Yd5 transformer primary side star connection secondary side delta connection with a 5x30 150 phase shift...

Страница 169: ...rd settings for different transformer s windings connections IEC 60076 vector group Winding Connection to CPC 100 TRRatio settings HV H LV X 2 kV output V1 AC input red black red black Vprim Vsec Dd0...

Страница 170: ...H3 U H1 u X1 w X3 Dz6 U H1 V H2 v X2 u X1 V H2 W H3 w X3 v X2 W H3 U H1 u X1 w X3 Dy11 U H1 V H2 u X1 n X0 V H2 W H3 v X2 n X0 W H3 U H1 w X3 n X0 Yd11 U H1 N H0 u X1 w X3 V H2 N H0 v X2 u X1 W H3 N H...

Страница 171: ...ually for each measurement Vsec nominal secondary voltage with the option value x 1 3 can be set individually for each measurement Ratio nominal ratio calculated from Vprim nom Vsec nom here 110000 0V...

Страница 172: ...p Data entry field to enter the transformer s tap number for each measurement If the transformer s ratio was specified on the Settings page see page 6 8 the Vprim and Vsec values for the tap are taken...

Страница 173: ...ps After adding all taps press the M AI N P A G E menu key to transfer the data to the main page Note After the transformer s ratio was specified on the Settings page for one phase by pressing the SA...

Страница 174: ...er is specified in the data entry field Tap above the table Vprim actual voltage injected from AC OUTPUT into the transformer s primary side Vsec V secondary voltage of power transformer measured at V...

Страница 175: ...ding the measured values Entering the tap number and an individual Vprim or Vsec per tap during a test 5 When all test points are measured press the I O test start stop push button to stop the test Vt...

Страница 176: ...ven at this time point the Vprim Vsec and tap number can still be entered To do so select the line of your choice in the measurement table and press the context dependent E D I T T A P menu key The te...

Страница 177: ...ject it into the transformer s winding IAC DC measures the injected current and V DC input measures the voltage generated at the transformer s winding From these values the winding resistance is calcu...

Страница 178: ...17 14 Before disconnecting the test leads short circuit the transformer s terminals and then remove the wirings to CPC 100 Figure 9 Winding resistance test using 400A DC output Due to the significant...

Страница 179: ...t 100 A Itest nominal test current R min calculated minimum winding resistance value display only Depends on the value of the nominal test current and the measuring range 400A DC Rmin 0 2mV Itest 6A D...

Страница 180: ...ance calculated from VDC IDC Time total elapsed test time Dev deviation in between the maximum and the minimum measured values evaluated within the last 10 seconds of the measurement The results are c...

Страница 181: ...n taken into consideration Once all settings are defined press the I O test start stop push button to start the test When the measurements are taken finish the test by assessing it To learn more about...

Страница 182: ...output is measured internally From this current value and the voltage measured by the V DC input see Figure 12 the winding resistance is calculated In the moment the tap is changed the IAC DC measuri...

Страница 183: ...ds The CP SA1 must be used for measurements using 400A DC output Before using CP SA1 you can check its functionality by following the test procedure in CP SA1 on page 17 14 If the box is defective con...

Страница 184: ...CPC 100 V1 41 6 20 Figure 12 Setup for a tap changer test winding resistance and interruption Never open the measuring circuit while current flows Dangerous voltage may occur...

Страница 185: ...he manufacturer measured the taps winding resistance values Generally this value is specified in the transformer s data sheet The winding resistance value at this temperature always represents the nom...

Страница 186: ...ut Columns of measurement table Tap displays the transformer tap number for the measurements in the respective line of the table This tap number in specified in the data entry field Tap above the tabl...

Страница 187: ...0 1 within the time period of 10 seconds are achieved After then a new result line is added showing the number of the next measured tap Entering the tap number during a test 4 At the transformer set...

Страница 188: ...se To move the tap changer in the same direction for all measurements since in general properly functioning tap changers can show quite different results depending on the direction of movement On the...

Страница 189: ...own in Figure 15 were taken from a 220 110kV 220MVA transformer by injecting a test current of 5A DC Note The steps of this procedure are explained without explicitly outlining how to change edit the...

Страница 190: ...d with a point to earth and the transformer s primary connection A Warning Be aware that all the terminals of the transformer s secondary side carry life hazardous voltage Figure 16 Setup for a power...

Страница 191: ...cally if this value is exceeded The data entry field cannot be accessed Option Auto Select this combo box and specify a duration time for the voltage withstand test to run default 60 seconds After thi...

Страница 192: ...nuously taken Afterwards Vtest decreases in a ramp characteristic When the measurements are taken finish the test by assessing it To learn more about test assessment refer to Test Assessment on page 1...

Страница 193: ...ystem for on site insulation tests of high voltage systems like power and measuring transformers circuit breakers capacitors and isolators CP TD1 works as an add on device to CPC 100 and is described...

Страница 194: ...CPC 100 V1 41 6 30...

Страница 195: ...nding Resistance page 7 9 RGround page 7 14 Voltage Withstand Test page 7 22 Note With regard to software handling this section confines to test relevant issues and does not go into detailed procedura...

Страница 196: ...el to browse through the structure On Resistance press EN T E R Alternatively press the accelerator key to open Insert a new test card Resistance comprises the following test cards Figure 1 Inserting...

Страница 197: ...ulates the test object s resistance The Resistance test card provides a total of three output ranges 400A DC 6A DC V DC 2 wire The test setup depends on the selected range Figure 2 Setup for a measure...

Страница 198: ...test object and from these values the software calculates the test object s resistance Figure 4 Setup for a k measurement in the VDC 2 wire range At this range the DC input VDC works as a combination...

Страница 199: ...m winding resistance value display only Depends on the value of the nominal test current and the measuring range 400A DC Rmin 0 2mV Itest 6A DC Rmin 0 2mV Itest V DC 2 wire Rmin 0 2 Rmax calculated ma...

Страница 200: ...manually with the handwheel Press the I O test start stop push button to start the test The focus is set onto the I test entry field Set the value of your choice either by turning the handwheel and or...

Страница 201: ...nual test press the I O test start stop The test can now be assessed Note Select Manual input prior to starting the test If the test card still contains results clear them by pressing C L E A R R E S...

Страница 202: ...CPC 100 V1 41 7 8 To repeat the test first press B A C K TO TO P if applicable and then C L E A R R E S U L TS To learn more about test assessment refer to Test Assessment on page 10 2...

Страница 203: ...do so open the circuit as shown in Figure 6 loop the I DC current signal from CPC 100 6A DC output via IAC DC or directly from 400A DC output and inject it into the transformer s secondary winding Not...

Страница 204: ...emove the wirings to CPC 100 IAC DC measures the injected current if the 6A DC output is used The 400A DC output is measured internally The V DC input measures the voltage that IDC generates at the tr...

Страница 205: ...100 A Itest nominal test current R min calculated minimum winding resistance value display only Depends on the value of the nominal test current and the measuring range 400A DC Rmin 0 2mV Itest 6A DC...

Страница 206: ...ulated from VDC IDC Time total elapsed test time Dev deviation in between the maximum and the minimum measured values evaluated within the last 10 seconds of the measurement The results are considered...

Страница 207: ...taken into consideration Once all settings are defined press the I O test start stop push button to start the test When the measurements are taken finish the test by assessing it To learn more about...

Страница 208: ...r large grounding system The distance between this probe and the grounding system under test shall be at least 10 times the diameter of the grounding system 15 to 20 times is better Then measure the v...

Страница 209: ...side of the substation area In case of a high current ground fault within the substation during the test considerably high voltages could arise in any wire connected to the substation and leading away...

Страница 210: ...and to position a guard outside this area to keep people from entering the dangerous zone Note 2 If the desired current cannot be reached or an overload occurs the contact resistance to the soil of th...

Страница 211: ...power cables However special precautions such as the use of the CP GB1 grounding box are required For more information on CP GB1 contact OMICRON electronics sales office I U 3 5 x a Substation A grou...

Страница 212: ...With the spacing of d the test measures the average soil resistivity between the U auxiliary electrodes down to a depth of d Therefore varying d also varies the depth of the volume for which the soil...

Страница 213: ...ingle ground rod Soil Type Soil Resistivity Moor marsh very moist soil 1 50 m Loess clay 20 100 m Humus acre 10 200 m Sandy clay 50 500 m Glass sand 200 3000 m Rock 300 5000 m Stony grassy soil 100 30...

Страница 214: ...s according to your test requirements Note The resistance measured is only an approximation of the actual grounding resistance because the parallel resistance of all other ground rods is measured too...

Страница 215: ...band measurement that is it detects all frequencies for example the 50 or 60Hz mains frequency That way possible dangerous voltage levels between the U auxiliary electrode and the substation ground ar...

Страница 216: ...d with a point to earth and the transformer s primary connection P1 Warning be aware that the terminal that is connected to the transformer s secondary connection 1S1 leads life hazardous voltage Figu...

Страница 217: ...ally if this value is exceeded The data entry field cannot be accessed Option Auto Select this combo box and specify a duration time for the voltage withstand test to run default 60 seconds After this...

Страница 218: ...nuously taken Afterwards Vtest decreases in a ramp characteristic When the measurements are taken finish the test by assessing it To learn more about test assessment refer to Test Assessment on page 1...

Страница 219: ...ntermittent High Current Output page 8 16 Ramping page 8 18 Testing PickUp DropOff Value of an Overcurrent Relay page 8 27 Amplifier page 8 29 Comment page 8 33 TanDelta page 8 36 Note With regard to...

Страница 220: ...ses the following test cards Figure 1 Inserting test cards from Others Highlight the test card of your choice either by navigating with the handwheel or by using the context dependent UP D O WN menu k...

Страница 221: ...repeated continuously Furthermore the complete sequence can prematurely be terminated if during the execution of one of its states this state s specified trigger condition occurs The test object s cha...

Страница 222: ...a minimum input voltage of 10V on V1 AC possible range 48 62Hz In that case the phase angle of the output is displayed in the states table rather than the frequency Set the phase angle value relative...

Страница 223: ...states this state s specified trigger condition occurs 4 Turn the handwheel to set the focus onto the states table s first cell in Figure 4 above it is the output current Then press the handwheel The...

Страница 224: ...0 3V AC exceeds a certain threshold value to define in column Thresh the state is terminated V2 AC as soon as the signal connected to the low level voltage measuring input V2AC 0 3V AC falls below a c...

Страница 225: ...initiate a trigger signal that is a premature termination of the current state at any time This manual trigger has the same function as an automatic trigger signal Trigger threshold Only available if...

Страница 226: ...of your choice Repeat this step at the combo box for the second quantity to measure Possible choices of each combo box V1 AC V1 AC sel1 V2 AC V2 AC sel VT VT sel I AC I AC sel 1 sel frequency selecti...

Страница 227: ...in measurement table m1 m2 Bin Time If selected the column BinIn displays the characteristic of the trigger signal at the binary input BinIn and the column s the elapsed state time until the occurrenc...

Страница 228: ...pdated V I For AC Z or R X Impedance Z magnitude in and phase angle in or R and X in For DC R Resistance R in else n a V I For AC P Q S Real power P in W and cos apparent power S in VA and cos reactiv...

Страница 229: ...RC Function This sequence of four states tests a complete autoreclosure cycle with both a short dead time rapid autoreclosure and a long dead time slow autoreclosure Figure 6 Setup for testing an over...

Страница 230: ...or the debounce see note below The actual value for CB close equals 477ms 100ms 377ms Note that the r m s measurement of IOut reacts slow and therefore the measurement table does not show the full cur...

Страница 231: ...to test the autoreclosure cycle State 2 and 4 incl the additional 100ms CPC 100 adds to compensate for the debounce see note above state 1 state 2 short dead time state 3 state 4 long dead time t CB...

Страница 232: ...CPC 100 current input IAC DC Figure 9 Setup to measure the ratio of a current transformer at different current magnitudes Parameters of the states 1 5 Each of the five states injects a current with a...

Страница 233: ...and then terminates Figure 10 Sequencer test card with parameters and measurements of the five states states 2 5 shown Measured values of the states 1 5 I Out IAC Ratio 1 A A 1 20 0 0 051 0 11 392 2 0...

Страница 234: ...erating conditions of CPC 100 etc For more information about duty cycles refer to CPC 100 Outputs on page 16 5 If you want to output high current for a longer period of time perform such a test by cre...

Страница 235: ...longer CPC 100 can be operated in that mode This value is calculated with the following formula For more application examples see the AN 0504 Application Note Basic Circuit Breaker Tests Using CPC 100...

Страница 236: ...continues with the next one if any The test object s characteristic is measured and the values are displayed in the measurement table The Ramping test card can be subdivided into three sections Figur...

Страница 237: ...Frequency Enter the value of the output signal s fixed quantity If at Amplitude was selected as quantity to be ramped enter the output signal s fixed frequency value here Otherwise if Frequency was s...

Страница 238: ...100 soft touch keyboard Press E N T E R or the handwheel to acknowledge your setting and move to the next table cell by turning the handwheel Note that the units of the ramps table the table s column...

Страница 239: ...tage measuring input V2AC 0 3V AC exceeds a certain threshold value to define in column Thresh the ramp is terminated V2 AC as soon as the signal connected to the low level voltage measuring input V2A...

Страница 240: ...at CB closing time measurements CPC 100 adds a fixed time of 100ms to the measured value In order to determine the true CB closing time value these 100ms need to be deducted from the value displayed...

Страница 241: ...m 1A set at Start val to end value 200A set in line 1 at column A in 5 s set in line 1 at column s Ramp 2 from 200A end value of ramp 1 to end value 200A set in line 2 at column A for 10 seconds set i...

Страница 242: ...e of your choice Repeat this step at the combo box for the second quantity to measure Possible choices of each combo box V1 AC V1 AC sel1 V2 AC V2 AC sel VT VT sel I AC I AC sel 1 sel frequency select...

Страница 243: ...measurement table m1 m2 Bin Time If selected the column BinIn displays the characteristic of the trigger signal at the binary input BinIn and the column t s the elapsed ramp time until the occurrence...

Страница 244: ...For AC Z or R X Impedance Z magnitude in and phase angle in or R and X in For DC R Resistance R in otherwise n a V I For AC P Q S Real power P in W and cos apparent power S in VA and cos reactive pow...

Страница 245: ...ne represents a 1s pause time and the third ramp determines the drop off value Figure 19 Setup for testing the pick up and drop off values of an Overcurrent relay The CPC 100 AC OUTPUT feeds the rampe...

Страница 246: ...r ramp 1 that the relay contact picked up after 7 175s at a current value of 170 29A Ramp 3 Because ramp 1 did not reach the 200A due to the trigger signal ramp 3 starts with 170 29A and then ramps do...

Страница 247: ...input and output are set by the user in the Amplifier test card Figure 22 The Amplifier test card Note 1 Changes in frequency and phase angle may result in unwanted effects Both frequency and phase mu...

Страница 248: ...8 Starting a high current output Set an amplification factor of 0 Press I O test start stop to output the signal With the measured input value in mind enter the amplification factor now or increase th...

Страница 249: ...ir high current outputs This way the CPC 100 high current outputs represent the amplified CMC 256 3 outputs and in this example are connected to three CTs Figure 23 Setup of a GPS synchronized 3 phase...

Страница 250: ...CPC 100 V1 41 8 32 Figure 24 Settings of Amplifier test card for this example use case...

Страница 251: ...context dependent menu key E D I T to start the String Editor When used for the Comment card the String Editor differentiates between the input modes Form Editor and Text Editor After pressing ED I T...

Страница 252: ...is it is protected To add edit or delete first column entries use the Form Editor More about function and handling of the String Editor at The String Editor in chapter 10 How to change a comment IIf y...

Страница 253: ...he context dependent menu keys change and provide two more keys C L EA R A L L and C L E A R T E X T Clear All Deletes the entire comment at once that is all text in all columns Clear Text Deletes all...

Страница 254: ...system for on site insulation tests of high voltage systems like power and measuring transformers circuit breakers capacitors and isolators CP TD1 works as an add on device to CPC 100 and is described...

Страница 255: ...al folders in a tree structure of your choice save tests in these folders and carry out file operations such as open save rename copy paste etc The CPC 100 file system differentiates two file types na...

Страница 256: ...test procedure that was composed in the Test Card View or the test that was loaded in the CPC 100 file system beforehand Therefore pressing S A V E for example does not save the test that you may have...

Страница 257: ...emplate xmt of your choice to the currently open test Deletes the currently selected test or folder from CPC 100 disk space Opens the String Editor that enables you to rename the current test to any n...

Страница 258: ...CPC 100 V1 41 9 4...

Страница 259: ...nctions and procedures that repeat in all or various test cards Since these functions are operated in the same fashion on all test cards they are explained only once in a central place Contents of thi...

Страница 260: ...selected the test card s bottom line shortly shows Change test assessment OK Failed and then returns to Assessed n a The scale symbol designates that no manual assessment was done yet The context dep...

Страница 261: ...d shows a default name To accept the default name press the menu key O K or S A VE To change the default name and to enter a name of your choice delete the default name by repeatedly pressing the back...

Страница 262: ...NG S to add this name to the list of template strings How to select a template string put the focus Glossary onto the combo box press the handwheel and turn it to browse through the list of available...

Страница 263: ...RI NG S to delete the selected string template from the list Note The R E S T O R E D E F A U L T S menu key at the Options tab Device Setup refer to Device Setup on page 2 33 resets all user specific...

Страница 264: ...CPC 100 V1 41 10 6...

Страница 265: ...ion Parameters page 11 3 CPC 100 page 11 3 DHCP Auto IP page 11 3 Static IP page 11 3 IP address page 11 4 Subnet mask page 11 4 Default gateway page 11 4 DNS page 11 4 PC or Notebook page 11 5 Firewa...

Страница 266: ...alone PC or an existing PC network For this the Ethernet board provides two RJ 45 connectors the upper socket labelled PC connects CPC 100 to either a PC s Ethernet network card or a notebook s PC Ca...

Страница 267: ...rovides an address for every device connected to the network and defines the subnet mask When connected to such a network setting CPC 100 to DHCP Auto IP mode enables it to obtain an address from the...

Страница 268: ...t mask Default gateway This is the address of a local IP router on the same network the CPC is in It is used to enable data traffic to destinations beyond the local network Commonly the default gatewa...

Страница 269: ...ministrator will provide you with valid settings for CPC 100 In a network with dynamic address configuration DHCP or Auto IP set your CPC 100 to DHCP Auto IP This way both the addresses of your PC and...

Страница 270: ...ink indicator LED near the PC s port turns on and off If you still don t get a connection try another 10BaseT connection cable on a different port of the hub If the link indicator LED works but you st...

Страница 271: ...that provides the connected network nodes with valid addresses That way every PC in the network is assigned a unique address Because there is no DHCP server present when a CPC is connected directly t...

Страница 272: ...tic IP address The DHCP server generates addresses within an address range defined by the subnet mask In general it is also possible to set static addresses within this range The addresses need to be...

Страница 273: ...f the OMICRON Device Browser Software page 12 2 Computer Requirements page 12 2 Installing the OMICRON Device Browser page 12 2 Using the OMICRON Device Browser page 12 3 Starting the OMICRON Device B...

Страница 274: ...xcel Installation of the OMICRON Device Browser Software The OMICRON Device Browser software is included on the CPC Explorer CD ROM shipped with your CPC 100 Computer Requirements For the installation...

Страница 275: ...ON Device Browser you can conduct easy file operations for example cut copy delete rename in the Windows operating system from and to the CPC 100 Furthermore you can obtain direct reports of your test...

Страница 276: ...and the toolbar the OMICRON Device Browser interface consists of two panes the left hand side pane displays the available devices the right hand side pane displays the contents of any device selected...

Страница 277: ...ns The S E T N E T W O R K C O N F I GUR A TI O N option is used to set the network configuration of your CPC 100 Use the U P G R A D E D E V I C E option to upgrade the software of your CPC 100 with...

Страница 278: ...test on the right hand side pane to open the context menu or use the Windows Explorer menus You can copy cut paste delete or rename the test files Figure 4 Viewing and editing test files To display a...

Страница 279: ...OMICRON Device Browser 12 7 Figure 5 Displaying a test report The test report contents are then displayed in a separate window Figure 6 Test report contents...

Страница 280: ...your tests from the CPC 100 with CPC Editor Note If you have CPC Editor installed on your computer the context menu holds one more entry O PE N W I T H C P C E D I T O R CPC Editor is an optionally a...

Страница 281: ...OMICRON Device Browser 12 9 Figure 8 Directly open and edit your tests You can save tests directly to the CPC 100 from the CPC Editor...

Страница 282: ...CPC 100 V1 41 12 10 Figure 9 Saving tests with the CPC Editor...

Страница 283: ...OMICRON Device Browser 12 11 Furthermore it is possible to load test results directly into the CPC Excel File Loader Figure 10 Loading files into the CPC Excel File Loader...

Страница 284: ...CPC 100 V1 41 12 12...

Страница 285: ...ewing Files page 13 6 Viewing test reports page 13 6 Viewing test reports and editing them by opening them with CPC Editor page 13 8 Viewing the log file page 13 11 Viewing the license file page 13 11...

Страница 286: ...lation of the CPC Explorer Software The CPC Explorer software and its installation program Setup Wizard are included on the CPC Explorer CD ROM shipped with your CPC 100 Computer Requirements Minimum...

Страница 287: ...n click the language of your choice and follow the on screen instructions Note Should the Setup Wizard not start automatically a few seconds after the CD has been inserted into the CD ROM drive change...

Страница 288: ...erred from CPC 100 to your PC refer to Transferring Files and Folders on page 12 of this chapter The test report can be edited for example for the inclusion in other reports or for further clarity by...

Страница 289: ...plays the files of all connected CPC 100 units the bottom left hand side pane displays the files of the PC the right hand side pane displays the contents of any CPC 100 HTML or XML document selected i...

Страница 290: ...he corresponding address and click O K Figure 2 Connect CPC with IP Address dialog box connecting to a CPC 100 of a different subnet Viewing Files Viewing test reports The tests generated by CPC 100 a...

Страница 291: ...file name Figure 3 Context menu on right click Figure 4 File contents displayed in right hand side pane If you select a folder rather than a single test right click the folder name and select V I E W...

Страница 292: ...ork together is outlined at Preparing a Test Offline with a PC on page 14 10 To learn how to save a test report to the portable PDF format please refer to Saving a Test to PDF Format on page 16 of thi...

Страница 293: ...ng the FO N T button changes the size of the font to the largest available Figure 7 Display font sizes Clicking on the down symbol on the right hand side of the ED I T button displays the available ap...

Страница 294: ...is represented by a horizontal line However when printed out the printer starts a new page at every inserted page break The horizontal line itself is not printed A right mouse click into the test rep...

Страница 295: ...CPC 100 whose log file you want to view 2 Select the pull down menu item T O OL S L O G FI L E and select C U R R E N T L O G F I L E to view the log file that is currently recorded since the last ti...

Страница 296: ...he file or folder will be downloaded from CPC 100 to your PC Uploading files from your PC to CPC 100 1 In the top left hand side pane of CPC Explorer highlight the target folder for the upload 2 In th...

Страница 297: ...isplay the Upgrade CPC dialog box Figure 9 Upgrade CPC dialog box Note Before you upgrade the CPC 100 software we recommend to a transfer all tests from CPC 100 to your PC refer to Downloading files f...

Страница 298: ...dialog box The selected file is displayed 5 Click on the U P G R A D E button to begin upgrading the software of the selected CPC 100 unit s When the CPC 100 software has been successfully upgraded yo...

Страница 299: ...screens or in print A stylesheet contains formatting information and offers the possibility to influence the presentation of test reports Upon request OMICRON can provide you with customized XSL style...

Страница 300: ...cuments To read such a PDF document Adobe Reader Adobe freeware needs to be installed on your computer PDF Generators There is a variety of PDF generating software available some free of charge or for...

Страница 301: ...refer to Uploading files from your PC to CPC 100 on page 13 12 Therefore CPC Editor requires an installation of CPC Explorer CPC Editor also opens executed and assessed test files that were downloaded...

Страница 302: ...d separately Computer Requirements Minimum Computer Requirements Pentium 200MHz 64MB RAM CD ROM drive Ethernet connection Internet Explorer version 5 5 or later Installed compatible CPC Explorer versi...

Страница 303: ...art screen 3 On the start screen click the language of your choice and follow the on screen instructions Note CPC Editor requires an installation of CPC Explorer beforehand Note Should the Setup Wizar...

Страница 304: ...and lists test cards showing the card s name its creation date and time whether test results are available and the test card s assessment status The right hand side test card pane resembles the user i...

Страница 305: ...t card either right click the list view pane to open the shortcut menu and click IN S E R T T E S T C A R D Figure 2 Shortcut menu of the list view pane or select the pull down menu item I N S E R T T...

Страница 306: ...Inserting from File Select I N S E R T FR OM FI L E to browse for a previously saved xml file This xml file is a test file that was either previously created with CPC Editor and saved to the computer...

Страница 307: ...ned in the list right before the currently selected test card 2 Paste the test card from the Clipboard into the list view overwriting a test card of your choice either right click the list view pane t...

Страница 308: ...Save as type option CPC templates xmt any test file can be saved as a test procedure template that is a user defined template containing one or more test cards with all of their specific test setting...

Страница 309: ...m a test or a test procedure template either right click the list view pane to open the shortcut menu and click D E L E T E or select E D I T D E L E T E Note To delete an entire test or template that...

Страница 310: ...right underneath the root level Right click on that newly created folder here C CPC Tests and use the shortcut menu item N E W F O L D E R to create subfolders in a tree structure that corresponds wit...

Страница 311: ...use CPC Explorer s upload function to transfer the entire tree structure from your PC to CPC 100 at once In CPC Explorer single test cards or even the entire structure with all subfolders and test fil...

Страница 312: ...CPC 100 V1 41 14 12...

Страница 313: ...Excel templates for post processing Excel CPC 100 File Loader is installed with CPC Explorer After the installation a shortcut to start Excel CPC 100 File Loader appears on your desktop Installation o...

Страница 314: ...n the file and in the sheets is done by using the same name for the CPC 100 test card and the corresponding sheet Note Due to the mapping of the data use unique name for the test cards in the XML file...

Страница 315: ...sults between the PC and CPC 100 To run a test procedure according to a template 1 Using CPC Explorer upload a single XML template or a whole folder of templates for the intended application from the...

Страница 316: ...CPC 100 V1 41 15 4...

Страница 317: ...utput to Input Synchronization page 16 20 CPC 100 Inputs page 16 21 BIN IN Binary Input page 16 21 10A IAC DC Input page 16 22 300V V1 AC Input page 16 23 3V V2 AC Input page 16 25 10V V DC Input page...

Страница 318: ...et to the 800A AC range The display shows a measured value of 720A at I Out The guaranteed error is specified as 0 2 rd 0 2 fs Therefore the error is 720A x 0 2 rd 800A x 0 2 fs 1 44A 1 6A 3 04A The l...

Страница 319: ...is case make sure that the PE connection is intact If the PE connection is intact and the error message still appears select the Disable ground check check box at the Device Setup tab in the Options v...

Страница 320: ...tage permitted range 100 240V AC 85 264V AC Power fuse Automatic circuit breaker with magnetic overcurrent tripping at I 16A Power consumption 3500VA 7000VA short term 10s Frequency nominal frequency...

Страница 321: ...utput These outputs are internally connected Table 2 800A AC output technical data 800A AC output Connection 10mm connectors Insulation Internally connected to the 400A DC output insulated against all...

Страница 322: ...10 mA Connection internally connected 800A AC output Note The signal for the 800A AC output is generated by an internal transformer To avoid saturation sudden magnitude changes are suppressed and the...

Страница 323: ...puts Voltage with reference to earth must not exceed 300Vrms and 420Vpeak on either socket Reinforced insulation against mains power supply all interfaces and other safety low voltage circuits Output...

Страница 324: ...arth must not exceed 2000Vrms and 2800Vpeak on either socket Reinforced insulation against mains power supply all interfaces and other safety low voltage circuits Measurement Internal precision curren...

Страница 325: ...matic range selection 0 5A AC 0 500mA AC 0 50mA AC1 Accuracy 5A typ error 0 2 rd 0 05 fs guaranteed 0 4 rd 0 1 fs 500mA typ error 0 05 rd 0 05 fs guaranteed 0 1 rd 0 1 fs 50mA1 typ error 0 1 rd 0 1 fs...

Страница 326: ...rrent Irms 2 5A Output power at typical apparent power Smax typical time tmax frequency 1000V 2 5A 1000V 2A 1000V 1A 2500VA 2000VA 1000VA 60s 130s 2hrs 50 200Hz 50 200Hz 50 400Hz Measurement Voltage V...

Страница 327: ...error 0 05 rd 0 05 fs guaranteed 0 1 rd 0 1 fs 50mA1 typ error 0 1 rd 0 1 fs guaranteed 0 2 rd 0 2 fs Possible peak value 20A Resolution Measurement Display 5A 1 mA bit 500mA 100 A bit 50mA1 10 A bit...

Страница 328: ...current Irms 5 0A Output power at typical apparent power Smax typical time tmax frequency 500V 5A 500V 4A 500V 2A 2500VA 2000VA 1000VA 60s 130s 2hrs 50 200Hz 50 200Hz 50 400Hz Measurement Voltage Vol...

Страница 329: ...error 0 05 rd 0 05 fs guaranteed 0 1 rd 0 1 fs 50mA1 typ error 0 1 rd 0 1 fs guaranteed 0 2 rd 0 2 fs Possible peak value 20A Resolution Measurement Display 5A 1 mA bit 500mA 100 A bit 50mA1 10 A bit...

Страница 330: ...e magnitude change is deferred even more for example for Voltage Withstand to avoid stress of the device under test The fastest possible ramp changes for a full magnitude are 1200ms for an increasing...

Страница 331: ...g input current measurement to IAC DC input voltage measurement to V1AC or VDC input 6A 130V AC output all ranges Connection 4mm banana sockets Insulation The 6A 130V AC output is internally connected...

Страница 332: ...ncy 130V 390VA 2hrs 50 400Hz Fuses Type 3 15A T The 3 15 Amps slow acting wire fuse 5x20mm situated at the front panel s AC OUTPUT group protects the AC OUTPUT in 130V voltage mode 6 3A T If the 6 3 A...

Страница 333: ...s 50 200Hz Fuse Type 6 3A T The 6 3 Amps slow acting wire fuse 5x20mm situated at the front panel s AC OUTPUT group protects the AC OUTPUT in 6A AC and 3A current mode and the DC OUTPUT 6A 130V AC out...

Страница 334: ...Protection If a large inductance is connected and the output is switched off an internal arc suppression diode protects the user from voltage spikes from the inductance Additionally a surge arrester...

Страница 335: ...ce is connected to CPC 100 earth both ends of the test object before you disconnect it from CPC 100 Note 2 Do not connect a large inductance to this output in any other test card but RWinding winding...

Страница 336: ...o ramp up to its full magnitude and accordingly less for a smaller magnitude Total synchronization time time to reach 5 of full magnitude settling time The output ramps linear therefore reaches 5 of i...

Страница 337: ...to earth must not exceed 300Vrms and 420Vpeak on either input socket Reinforced insulation against mains power supply all interfaces and other safety low voltage circuits Sampling frequency 1kHz Max...

Страница 338: ...rcuits Protection The 10A IAC DC current input is fuse protected see below For measuring currents on high inductances the input is protected before the fuse This is done by an internal surge arrester...

Страница 339: ...10A 1 mA bit 1A 100 A bit 10 A Fuse Type 10A FF The 10 Amps very quick acting wire fuse 5x20mm situated at the front panel s INPUT group protects the 10A IAC DC current measuring input Make sure the f...

Страница 340: ...safety low voltage circuits Maximum voltage 330Vrms 470Vpeak Accuracy 300V typ error 0 05 rd 0 05 fs guaranteed 0 1 rd 0 1 fs 30V typ error 0 05 rd 0 05 fs guaranteed 0 1 rd 0 1 fs 3V typ error 0 1 rd...

Страница 341: ...must not exceed 300Vrms and 420Vpeak on either input socket Reinforced insulation against mains power supply all interfaces and other safety low voltage circuits Maximum voltage 10Vrms 15Vpeak Accurac...

Страница 342: ...input uses an additional software based integration method In the range of 50Hz f 60Hz this results in a phase shift of 90 as well as an additional phase error of 0 1 and an additional amplitude error...

Страница 343: ...n either input socket Reinforced insulation against mains power supply all interfaces and other safety low voltage circuits Maximum voltage 50Vrms 75Vpeak Accuracy 10V typ error 0 03 rd 0 08 fs guaran...

Страница 344: ...and 10V VDC input Current Resistance Voltage Typ error Guaranteed 400A 10 4mV 0 70 1 35 400A 100 40mV 0 55 1 10 400A 1m 400mV 0 50 0 95 400A 10m 4V 0 50 0 95 4 wire measurement with 6A DC output and...

Страница 345: ...PC connector Network Interface CPC 100 V1 only The network connection of CPC 100 V1 is implemented by the 10 100BaseTX twisted pair Ethernet interface CPC 100 V1 is equipped with one RJ 45 connector...

Страница 346: ...ace connector Legend DCD Data Carrier Detect RXD Receive Data TXD Transmit Data DTR Data Terminal Ready GND Ground DSR Data Set Ready RTS Request To Send CTS Clear To Send RI Ring Indicator 1 DCD in 2...

Страница 347: ...V1 and 5V 2 5 V0 Figure 8 Connector for external safety functions wiring scheme 1 warning light green TTL level 2 warning light red TTL level 3 start button n o 4 common start n o em stop 5 emergency...

Страница 348: ...ntal IP22 means drip water protection Never operate CPC 100 with a wet front panel or wet sockets Make sure no water can come in through the ventilation slots Note Since the AC and DC output sockets o...

Страница 349: ...108 EC and LVD Directive 2006 95 EC Electromagnetic Compatibility Emission Europe International EN 61000 6 4 EN 61000 3 2 IEC 61000 6 4 IEC 61000 6 4 FCC Subpart B of Part 15 Class A Immunity Europe I...

Страница 350: ...CPC 100 V1 41 16 34...

Страница 351: ...xplorer CD ROM Contents of this section Test Cards page 17 2 Earth Resistance Accessory Set page 17 3 Current Booster CP CB2 page 17 4 Technical Data of CP CB2 page 17 5 Operation Modes of CP CB2 page...

Страница 352: ...n Kneepoint CT RatioV CT Rogowski Ratio CT Low Power Ratio Winding Resistance Voltage Withstand 2kV VESM0610 VT test cards Scope VT Ratio VT Burden Voltage Withstand 2kV VT Electronics VESM0615 Transf...

Страница 353: ...ogrammable ramping generator and determination of thresholds VESM0630 Sequencer For automatic testing with different states in real time VESM0635 1 Note the CPOL hardware cannot be used without the so...

Страница 354: ...ll as the high current cables 95mm and their clamps can develop a rather high temperature To prevent burns use gloves when touching the housing or the cables while in operation or shortly after Note 2...

Страница 355: ...ound at Operation Modes of CP CB2 on page 6 of this chapter Technical Data CPCB2 all operating modes Accuracy of current at 50 60Hz typ error 0 13 rd 0 13 fs guaranteed 0 25 rd 0 25 fs Phase tolerance...

Страница 356: ...urrent booster CPCB2 with CPC 100 Output both CPCB2 outputs in parallel Measurement Measurement in CPC 100 Output power at typ apparent power Smax typical time tmax duty cycle ton toff frequency 2000A...

Страница 357: ...ster CPCB2 with CPC 100 Output both CPCB2 outputs in series Measurement Measurement in CPC 100 Output power at typ apparent power Smax typical time tmax duty cycle ton toff frequency 1000A 900A 800A 7...

Страница 358: ...ing items high current cable set 4 x 95mm 2 x red 2 x black length 1 5m special plug on one end clamp on the other 1 x 95mm length 0 6m special plugs on both ends VEHZ0630 VEHK0610 Connection cable CP...

Страница 359: ...Check on page 4 28 Figure 4 Polarity checker CPOL Notes 1 If you detect a wrong polarity in the current path turn off CPC 100 first and only then disconnect the terminals 2 Never operate CPOL with an...

Страница 360: ...consumption key pressed 25mA key not pressed 0mA Input impedance 400 k Operating temperature 10 55 C 14 131F Storage and transportation 20 70 C 4 158F Weight 250g 0 11lbs including batteries and bag D...

Страница 361: ...sition as shown in the picture below and push it downwards to lift the cap of the battery compartment 2 Remove the old batteries and dispose of properly 3 Insert the two lower batteries first next to...

Страница 362: ...insert them with the minus pole going in first the plus pole pointing towards the compartment s open cover 4 Close the battery compartment s cover tightly until it snaps into position 5 Press CPOL s...

Страница 363: ...Information for C Probe 1 Table 9 Ordering information for current clamp C Probe 1 For additional information about the current clamp C Probe 1 please refer to its user manual Ordering Information C...

Страница 364: ...ime period the surge arrester insulator melts and thereby short circuits the terminals to ground Figure 6 below shows the circuit diagram of CP SA1 Figure 6 CP SA1 circuit diagram Before using the CP...

Страница 365: ...o refer to the copyright page of this manual VESD0600 Ordering description for cables Article number High current cable set for 800A AC and 400A DC output Standard 2 x 6m 70mm Alternative 2 x 9m 70mm...

Страница 366: ...your CPC 100 has a power cord with open ends connect the three cables as follows green yellow PE protective earth brown phase blue N neutral Ordering description for cables Article number Ordering de...

Страница 367: ...Accessories 17 17 Assembly Instructions for Odu MINI SNAP Plug Figure 7 Assembly components for Odu MINI SNAP plug Plug housing Soldering insert EMI gasket collet backnut Half shells...

Страница 368: ...w to assemble the Odu MINI SNAP plug 1 Slide cable into backnut collet and gasket 2 Strip cable and wire We recommend tinning the strands with a soldering iron 3 Solder each wire to its corresponding...

Страница 369: ...ls on either side of the insulation body 5 Slide gasket and collet against the half shells and clamp the screen between gasket and half shells 6 Trim protruding screen strands and push the cable assem...

Страница 370: ...CPC 100 V1 41 17 20 7 Finish the assembly by screwing the backnut to the housing and by tightening them with wrenches...

Страница 371: ...Asia Pacific OMICRON electronics Asia Ltd Hong Kong Phone 852 2634 0377 E Mail support asia omicron at Web www omicron at North and South America OMICRON electronics Corp USA Phone 1 713 830 4660 or 1...

Страница 372: ...OMICRON Contact Addresses 22...

Страница 373: ...switched off 1 9 A AC OUTPUT description 2 6 accelerator keys selecting a test 2 15 add test card Refer to Insert Card address manufacturer 18 21 Adobe Distiller 13 16 Reader 13 16 Amplifier synchron...

Страница 374: ...ements for installation 14 2 CPC Explorer changing language 13 15 requirements for installation 12 2 13 2 saving a test report to PDF format 13 16 stylesheet 13 15 toolbar buttons 12 9 13 9 Tools Down...

Страница 375: ...tput 16 5 ext booster 1000A mode 17 7 ext booster 2000A mode 17 6 intermittent output of high current Sequenc er 8 16 E earth resistance accesory set ordering information 17 3 earth resistance Refer t...

Страница 376: ...ncy 2 35 front panel ePC 2 14 functional components 2 2 input output sockets safety instructions 1 9 what wires to connect 1 9 fs full scale 1 3 functional components of front panel 2 2 of left hand s...

Страница 377: ...Explorer 13 11 what s a log file 2 39 low level AC voltage input synchronizing Amplifier test card 8 29 low power current transformer 4 43 M Main Power Supply technical data 16 4 manufacturer address...

Страница 378: ...Overcurrent pick up drop off values of OVC relay 8 27 testing an OVC relay w ARC function 8 11 overload 3 11 as trigger condition in Quick 3 11 as trigger condition in Ramping 8 21 as trigger conditio...

Страница 379: ...5 key lock 2 10 qualification of operating personnel 1 6 side panel output sockets 1 9 signature of operating personnel 2 46 training intervals 2 46 warning lights I O 2 11 safety standards 16 33 sele...

Страница 380: ...t 6 12 after a TRTapCheck test 6 24 during a TRRatio test 6 11 during a TRTapCheck test 6 23 prior to a TRRatio test 6 8 prior to a TRTapCheck test 6 21 technical data 0 3V AC input 16 25 10A I AC DC...

Страница 381: ...up a test card 2 25 transformer ratio tap changer 6 3 tap changer winding resistance 6 18 voltage withstand CT 4 25 Resistance 7 22 Transformer 6 26 VT 5 13 VT burden 5 8 VT ratio and polarity 5 3 wi...

Страница 382: ...8 4 V1 AC input synchronizing Amplifier test card 8 29 V2 AC input synchronizing Amplifier test card 8 29 values how to enter in software 2 25 VDE 0101 7 14 version CPC 100 software 1 2 2 17 CPC Edito...

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