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CPC 100

V 3.20

Voltage Transformer - 3

Use the

VTElectronics

test card to test the ratio of non-conventional electronic voltage

transformers with a very low-level secondary voltage.

Shielded cable with
twisted wires

Electronic protection relay with
low-voltage input

Electronic voltage transformer

Nominal primary voltage

Primary
injection
voltage

Correction factor for
V prim

Measured
primary voltage

Secondary
voltage measured
at

V1 AC

, and its

phase angle
relative to the
measured Vprim

Nominal secondary voltage

Select to stop test
automatically when
measurement is
done

Output
frequency



3 and 1/3: Correction factors for V sec

Select to enter
secondary voltage
instead of
measuring it

Ratio and deviation in %

Polarity:

= phase I sec - phase I prim
= - 45 ° < 0 ° < + 45 °

NOTOK

= all other cases

VTElectronics

Содержание CPC 100

Страница 1: ...h into a number of other languages Any translation of this manual is done for local requirements and in the event of a dispute between the English and a non English version the English version of this...

Страница 2: ...ge in order to work in accordance with the regulations Do not open the CPC 100 housing If you do not use the CPC 100 anymore turn the safety key to lock vertical and remove the key to avoid anybody ac...

Страница 3: ...this warning light is lit there is still voltage and or current potential on one or more of the outputs Make sure that a test object s terminals that are to be connected to the CPC 100 do not carry an...

Страница 4: ...arry up to 300 V Consider these outputs life hazardous Always lock connectors properly The high current cables for both the 800A AC and 400A DC outputs are equipped with connection clamps at one end I...

Страница 5: ...scribed in chapter CP TD1 of this User Manual On principle the safety instructions that apply to the CPC 100 and its accessories also apply to the CP TD1 However the CP TD1 requires some additional pr...

Страница 6: ...ight 0 on or an operation with possibly hazardous voltage and or current levels at the CPC 100 outputs red light I on or flashing Add test cards We recommend not to use more than 15 test cards or 50 t...

Страница 7: ...afety Functions of chapter Technical Data in the CPC 100 Reference Manual available in PDF format on the CPC 100 Toolsets or CPC 100 Start Page 800A AC 6 1 6 5V AC High AC current output POWER ON OFF...

Страница 8: ...rds analog or digital 2kV 800A R R 5V 400A DC 10A AC DC 3V AC 300V AC 10V DC BIN IN 65V 6A DC 6V 800A AC 2kV Ext Booster 130V 6A AC Mains 100 240V 50 60Hz to ext PC I n p O u t p u t s L N PE Focus on...

Страница 9: ...apsed folder tree select it and press either the handwheel or Enter The Menus Main File Operations Menu With Save As Default Test Procedure Overview provides a function to save the current test proced...

Страница 10: ...ions menu Set the external booster you want to use CB2 CU20 or CU1 Set current clamp parameters and CT and or VT transformation ratio Select the check box if the PE connection is intact and an error m...

Страница 11: ...address Subnet Mask Default Gateway and DNS are read only no data can be entered This is the recommended setting Static IP Configure the communication parameters manually by entering the values into...

Страница 12: ...Change to Test Procedure Overview Press Save As Default You have now set the default for the CPC 100 start up Fill out the test card of your choice with the parameters you want to assign to that card...

Страница 13: ...CPC 100 V 3 20 Introduction 8 Introduction...

Страница 14: ...angle 1st measured quantity including CT and VT 2nd measured quantity including CT and VT Measurement table showing results Overload indication No indication no overload Dotted indication an overload...

Страница 15: ...on V1 AC possible range 48 62 Hz In this case the phase angle of the output is displayed rather than the frequency Set the phase angle value relative to the phase angle of the V1 AC input signal The i...

Страница 16: ...tomatically when measurement is done Output range Actual current injected into CT s primary side Primary injection current Use current clamp rather than IAC input Nominal primary current Select to ent...

Страница 17: ...tive to Iprim Burden in VA I sec nom V sec act I sec nom I sec act cos cosine of angle between I sec and V sec Burden CT Select to enter secondary voltage instead of measuring it Select to stop test a...

Страница 18: ...st With fnom 60 Hz the maximum test voltage is reduced up to 20 and with fnom 60 Hz the maximum test voltage is increased up to 16 The exciting current will not be corrected as the influence is very s...

Страница 19: ...flows Check whether the red warning light I and the discharge LED are off before disconnecting the device under test Before disconnecting from the CPC 100 connect the device under test on both ends to...

Страница 20: ...e Time span Vtest is applied to the output Highest measured current Actual test current The CPC 100 injects a special polarity check signal polarity checker CPOL green LED polarity checker CPOL red LE...

Страница 21: ...s the only solution To measure the CT ratio using the CTRatioV test card connect the 2kV AC output to the CT s secondary winding and the V2 AC input to the main conductors e g on a power transformer t...

Страница 22: ...integrator The CTRogowski test card integrates the Rogowski coil s output signal at the CPC 100 s V2 AC input Disconnect the Rogowski coil s output signal from the electronic protection relay and plug...

Страница 23: ...45 0 45 NOTOK all other cases Ratio Iprim Isec and deviation of current ratio in Output range Actual output current Note that the current I sec does not really exist in the system It is a calculated c...

Страница 24: ...ormed on SV streams and thereby the noise is suppressed The SV Ratio test card can be accessed from CT VT or Others The following tests can be performed Ratio and polarity Automatic MU detection Frequ...

Страница 25: ...CPC 100 V 3 20 Current Transformer 10 Current Transformer...

Страница 26: ...ath or severe injury caused by high voltage or current Do not connect the CPC 100 output to the secondary side of the VT This will cause hazardous voltages on the primary side For VT ratio measurement...

Страница 27: ...tage Secondary injection voltage from 130V AC output Correction factor for Vsec Actual voltage at the burden measured at input V1 AC Actual current through burden measured via input I AC and its devia...

Страница 28: ...Nominal primary voltage Primary injection voltage Correction factor for V prim Measured primary voltage Secondary voltage measured at V1 AC and its phase angle relative to the measured Vprim Nominal s...

Страница 29: ...CPC 100 V 3 20 Voltage Transformer 4 Voltage Transformer...

Страница 30: ...ming a TRRatio Test per Tap DANGER Death or severe injury caused by high voltage or current Do not connect the CPC 100 output to the secondary side of the transformer This will cause hazardous voltage...

Страница 31: ...P SB1 In the Transformer high voltage side column means that the terminals in the CP SB1 are short circuited Measurement starts at the lowest or highest position Time needed to switch from one tap to...

Страница 32: ...V H2 u X1 w X3 v X2 U H1 W H3 V H2 u X1 w X3 v X2 Yy6 A U V H1 H2 v u X2 X1 1 B V W H2 H3 w v X3 X2 C W U H3 H1 u w X1 X3 Dz6 A U V H1 H2 v u X2 X1 1 B V W H2 H3 w v X3 X2 C W U H3 H1 u w X1 X3 Dy11...

Страница 33: ...etermine the transformer s vector group To start the Vector Group Check enter the test voltage and frequency in the VG Check test card Note The Vector Group Check test requires a CP SB1 transformer sw...

Страница 34: ...selected The currently sweeped tap and the remaining time are displayed during the sequence Note You can only interrupt the Tap Changer Cleaner Sequence by pressing the Emergency Stop button CP SB1 t...

Страница 35: ...g tap change The ripple and slope values are indicated at the TRTapCheck test card s measurement table taps OLTC DANGER Death or severe injury caused by high voltage or current Never open the measurin...

Страница 36: ...pple because inductance is charged Values okay because always in the same range Tap defective significantly higher values for ripple and slope Compared to the properly functioning tap change of line 5...

Страница 37: ...ot reached over a long period of time the saturation level can be adapted manually By pressing the Set current saturat soft key the present saturation level can be set as the new threshold During the...

Страница 38: ...asurement in the 6A DC range Inject current from the 6A DC output to both sides of the test object To measure this current route it via the I AC DC input as shown in the figure above Input V DC measur...

Страница 39: ...est automatically when measurement is done Actual test current that is injected into the test object Measured voltage drop at the test object Calculated resistance of test object R V DC I DC Smallest...

Страница 40: ...nce may not be linear see figure below We suggest to test several points using a longer distance to the substation ground That way you get a better understanding of where the linear range of the earth...

Страница 41: ...ference Manual is available in PDF format on the CPC 100 Toolsets or the CPC 100 Start Page I d d d U Auxiliary electrode U Auxiliary electrode I Auxiliary electrode U Auxiliary electrode I d distance...

Страница 42: ...specific settings output quantity settings trigger specification duration of state if no trigger occurs Note that some of the trigger events offered in the trigger event combo box depend on the measu...

Страница 43: ...he Overload trigger condition that started state 4 clears The measurement table shows for state 4 that the long dead time the CB closing time lasted 3 191 s This time also includes the additional time...

Страница 44: ...duration if no trigger occurs trigger specification Ramped quantity fixed quantity Output range selection actual output value Start value of ramp The feature Manual Trigger provides a possibility to m...

Страница 45: ...ct picks up In this moment ramp 1 terminates and the series continues with ramp 2 The measurement table shows for ramp 1 that the relay contact picked up after 7 175s at a current value of 170 29A Ram...

Страница 46: ...maximum value Starting a high current output Set range Set phase angle between input and output signal Select synchronization input Display of the measured high current output signal Value measured a...

Страница 47: ...he three current outputs of a CMC 256 3 test set are led to the synchronization inputs I AC of three CPC 100 test sets to drive their high current outputs This way the CPC 100 high current outputs rep...

Страница 48: ...reak The difference between Form Editor and Text Editor is that text left of the tab the first column so to speak cannot be accessed anymore in Text Editor i e it is protected To add edit or delete fi...

Страница 49: ...t Time elapsed for this measurement Nominal CT ratio according to CT nameplate Nominal VT ratio according to VT nameplate Select if no measurement VT is available Short circuit impedance of the power...

Страница 50: ...the Comment card the number of available characters is bigger than if a test is to be renamed This difference are special characters such as _ etc Important special characters Complete the following s...

Страница 51: ...d they can then be selected as template phrases from the Select a phrase combo box How to Save a Phrase Enter a name of your choice in the way described above Put the focus on the Select a phrase comb...

Страница 52: ...ude5 tmax Imax Powermax 5 f 2kV AC3 0 2 kV 1 min 1 25 A 2500 VA 15 400 Hz 0 2 kV 2 h 0 5 A 1000 VA 15 400 Hz 1kV AC3 0 1 kV 1 min 2 5 A 2500 VA 15 400 Hz 0 1 kV 2 h 1 0 A 1000 VA 15 400 Hz 500V AC3 0...

Страница 53: ...dditional phase error of 0 1 and an additional amplitude error of 0 01 For frequencies in the range of 15 Hz f 400 Hz the phase error is not specified and the amplitude error can be up to 0 50 higher...

Страница 54: ...age Typ error Guaranteed 6 A 100 m 0 6 V 0 35 0 60 6 A 1 6 V 0 35 0 60 1 A 10 10 V 0 25 0 40 2 wire measurement with 10V VDC input Current Resistance Voltage Typ error Guaranteed 5 mA 100 0 60 1 20 5...

Страница 55: ...20 CPC 100 Technical Data 4 CPC 100 Technical Data Weight and Dimensions Weight 29 kg 64 lbs case without protection cover Dimensions W x H x D 468 x 394 x 233 mm 18 4 x 15 5 x 9 2 cover without hand...

Страница 56: ...oth low voltage measuring cables must always be well attached and tightly connected to the CP TD1 s measuring inputs IN A and IN B Make sure to insert the red and blue marked cables into the correspon...

Страница 57: ...ject Equipment trolley CPC 100 CP TD1 and the equipment trolley connected to the trolley s grounding bar and led to earth Grounding cable min 6 mm Equipotential ground Booster cable CPC 100 CP TD1 sho...

Страница 58: ...B 6 Pull out the high voltage cables from the cable drum and connect the test object to the CP TD1 s high voltage output 7 Switch on the CPC 100 8 Selecting the TanDelta test card from any of the CPC...

Страница 59: ...s select DF PF to 0 0 ppm and Cx to 1 000 refer to page CP TD1 6 Use the optional device TH 3631 to measure ambient temperature the test object temperature and humidity Once these values were measured...

Страница 60: ...he exact order they were entered using the second frequency value of the list if any 3 and so forth Each combination is one individual measurement and its result is displayed in the results table with...

Страница 61: ...nning and the end of the test only At Assessment Limits set the tolerance of the main page s nominal values for the assessment For the capacitance the tolerance is entered in percent for the dissipati...

Страница 62: ...ermine the capacitance of the test object 2 Calculate the inductors needed for the compensation manual calculation by using the CP TD1 High Voltage Source test card 3 Set the test voltage 4 Set f test...

Страница 63: ...t available in Automatic measurement applies to frequencies below 45 Hz only xx Hz Results with reduced accuracy e g in case of a low testing voltage influences of partial discharge etc Filter bandwid...

Страница 64: ...sinusoid Vibration IEC68 2 6 operating 10 150 Hz acceleration 2 g continuous 20 m s 5 cycles per axis EMC EN 50081 2 EN 55011 EN 61000 3 2 FCC Subpart B of Part 15 Class A EN 50082 2 IEC 61000 4 2 3...

Страница 65: ...CP TD1 CP TD1 10 CP TD1...

Страница 66: ...ations In particular avoid disruptions that could in turn affect safety Operating the Measurement Setup When using the CP GB1 ground it near the place where the connection to the test object is made M...

Страница 67: ...hown below DANGER Death or severe injury caused by high voltage or current Use the short circuit bar to short circuit the secondary side of the internal CT Equipotential ground terminal I AC output Lo...

Страница 68: ...oceeding Connecting the measurement setup to overhead lines with a life parallel system brings about high voltage hazards While the grounding switch at the near end of the power line is open the area...

Страница 69: ...ground Connect the grounding sets to the CP GB1 and then to the line Make the connections to the CP CU1 and CPC 100 according to the figures on the following pages Open the grounding disconnector and...

Страница 70: ...U1 or available in pdf format on the CPC 100 Start Page There are seven different measurement loops A B shown here A C B C A G B G C G and ABC in parallel to ground similar to the next figure Overhead...

Страница 71: ...liance Voltage 45 Hz 10 A 0 10 Arms 500 Vrms 5000 VA 45 70 Hz cos 1 0 230 V AC mains voltage cos 0 4 115 V AC mains voltage for 8 s or 1600 VA continuously 20 A 0 20 Arms 250 Vrms 50 A 0 50 Arms 100 V...

Страница 72: ...g the CP SB1 or CPC 100 in any way connect them with a solid connection of at least 6 mm cross section to equipotential ground Ground the CP SB1 as close as possible to the CPC 100 For the connection...

Страница 73: ...ards and that each color is connected to a different phase Connect the cables from the Kelvin clamps voltage sense outputs to the CP SB1 s transformer inputs Observe the color code Make sure to measur...

Страница 74: ...CP SB1 test set 3 5 kg 7 7 lbs 357 x 235 x 111 mm 14 1 x 9 2 x 4 4 test set case 28 5 kg 62 7 lbs 700 x 450 x 500 mm 27 6 x 17 7 x 19 7 Operating temperature 10 55 C 14 131 F Storage and transportati...

Страница 75: ...CP SB1 CP SB1 4 CP SB1...

Страница 76: ...Select the CP CB2 as external booster on the Device Setup tab in the Options menu Note If you select the CP CB2 as external booster on the Device Setup tab in the Options menu it will be saved as def...

Страница 77: ...5 400 Hz 2000 A AC 0 2000 A 25 s 2 45 V 4900 VA 15 400 Hz Internal measurement of outputs Output Guaranteed accuracy Typical accuracy Amplitude Phase Amplitude Phase Reading error Full scale error Ful...

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