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IEC Protection Curves

“IEC

(International Electro-technical Commission)

60255-3, Electrical relays - Part 3: Single input energizing

quantity measuring relays with dependent or independent time”

standard describes the protection curves

named as below.

IEC STI: IEC Short Time Inverse Curve.

IEC SI: IEC Standard Inverse Curve.

IEC VI: IEC Very Inverse Curve.

IEC EI: IEC Extremely Inverse Curve.

IEC LTI: IEC Long Time Inverse Curve.

IEC Thermal Overload Curve.

𝒕 = [

𝑨

(

𝑰

𝑺

)

𝜶

− 𝟏

+ 𝑩] × 𝑻𝑴𝑺

Universal trip time delay formula is given above, while IEC constants for various curves are given on the below
table.

Trip delay (s).

A constant for the characteristic (s).

Momentary current (A).

Set current threshold (A).

A constant for the characteristic (-).

A constant for the characteristic (s).

TMS

Time Multiplier Setting (-).

□

Curve Type

Trip Delay Formula

Reset Delay Setting Range

IEC STI
Short Time Inverse

𝒕 =

[

𝟎. 𝟎𝟓 𝒔

(

𝑰

𝑺

)

𝟎.𝟎𝟒

− 𝟏]

× 𝑻𝑴𝑺,

𝒕𝑹𝒆𝒔𝒆𝒕 = 𝑫𝑴𝑻 (𝟎. 𝟎𝟒 − 𝟏𝟎𝟎) 𝒔

IEC SI
Standard Inverse

𝒕 =

[

𝟎. 𝟏𝟒 𝒔

(

𝑰

𝑺

)

𝟎.𝟎𝟐

− 𝟏]

× 𝑻𝑴𝑺

𝒕𝑹𝒆𝒔𝒆𝒕 = 𝑫𝑴𝑻 (𝟎. 𝟎𝟒 − 𝟏𝟎𝟎) 𝒔

IEC VI

Very Inverse

𝒕 = [

𝟏𝟑. 𝟓 𝒔

(

𝑰

𝑺

) − 𝟏

] × 𝑻𝑴𝑺

𝒕𝑹𝒆𝒔𝒆𝒕 = 𝑫𝑴𝑻 (𝟎. 𝟎𝟒 − 𝟏𝟎𝟎) 𝒔

IEC EI

Extremely Inverse

𝒕 =

[

𝟖𝟎 𝒔

(

𝑰

𝑺

)

𝟐

− 𝟏]

× 𝑻𝑴𝑺

𝒕𝑹𝒆𝒔𝒆𝒕 = 𝑫𝑴𝑻 (𝟎. 𝟎𝟒 − 𝟏𝟎𝟎) 𝒔

IEC LTI

Long Time Inverse

𝒕 = [

𝟏𝟐𝟎 𝒔

(

𝑰

𝑺

) − 𝟏

] × 𝑻𝑴𝑺

𝒕𝑹𝒆𝒔𝒆𝒕 = 𝑫𝑴𝑻 (𝟎. 𝟎𝟒 − 𝟏𝟎𝟎) 𝒔

Содержание CPM 310 G

Страница 1: ...CPM 310 G Digital Overcurrent Protection Relay User Application Manual vEN 2016 03...

Страница 2: ...2...

Страница 3: ...ing p 43 4 4 1 Example Setting and Calculation p 44 4 4 2 Dip switch Settings p 47 4 4 3 Example Dip switch Settings p 49 4 4 4 Warnings p 49 4 5 Commissioning p 50 4 6 Operating p 51 4 6 1 Normal Ope...

Страница 4: ...tings Menu p 105 5 7 6 3 Trip Settings Menu p 106 5 7 6 4 Input Settings Menu p 107 5 7 6 5 Blocking Logic Selectivity Settings Menu p 108 5 7 6 6 Circuit Breaker Failure Recognition Settings Menu p 1...

Страница 5: ...B Supervision Settings p 169 6 4 4 4 11 Programmable LED Settings p 170 6 4 4 4 12 Latch Settings p 171 6 4 4 4 13 Alarm Settings p 172 6 4 4 5 Communication Settings p 173 6 4 5 Buffer Menu p 174 6 4...

Страница 6: ...6 ABOUT DEMA...

Страница 7: ...series in the country with DMT and IDMT delay 1997 MVR Series The first draw out type electronic over undervoltage protection relay series in the country with DMT and IDMT delay 2000 IR1021 Double fla...

Страница 8: ...tal plastic electro mechanical and graphical components used in DEMA s products are designed prototyped and manufactured in the same facility by DEMA engineers and technicians 50 of DEMA s total reven...

Страница 9: ...d horn outputs in draw out case IR101K A2 10 windows optical annunciator with relay and horn outputs in draw out case IR1021 10 windows double flashing optical annunciator with relay and horn outputs...

Страница 10: ...e Tic A S Zumrutevler Mh Ataturk Cd Inanc Sk No 4 34852 Maltepe Istanbul Turkey Phone 90 216 352 77 34 90 216 352 77 35 Fax 90 216 442 17 95 E mail dema demarelay com WEB www demarelay com DEMA Role S...

Страница 11: ...11 INTRODUCTION...

Страница 12: ...manual Function ANSI Code CPM 310 G Phase Overcurrent Instantaneous Trip 50 3 thresholds Phase Overcurrent Delayed Trip 51 3 thresholds Earth Overcurrent Instantaneous Trip 50N 3 thresholds Earth Ove...

Страница 13: ...h 4 shots auto reclosing programmability for each protection function Cold load pickup function with high reliability CB triggering Blocking logic selectivity feature Delaying logic selectivity featur...

Страница 14: ...is in green color and runs as long as the auxiliary supply is healthy Internal Error LED Indicated with Warning label on the front panel of CPM 310 G LED is in red color and runs if any internal erro...

Страница 15: ...nal Unit Lock As a subsystem of the patented DDS DEMA Draw out System technology internal unit lock provides locking and drawing out of the internal unit with ease Locking ensures safe electrical cont...

Страница 16: ...the conductance continuity of the case and the internal unit construction Terminal Blocks Made of inflammable materials terminal blocks are designed to ensure safe connection and cabling Special Coat...

Страница 17: ...nal Unit The internal unit houses the entire electronic systems making it possible to replace the whole unit within seconds without having to black put the system The modular design of electronic syst...

Страница 18: ...nto useful signals to supply measurement and protection circuits with the information they need Current transformers are integrated into the internal unit this guarantees fast maintenance and replacem...

Страница 19: ...s that may risk the performance of the relay Fuse Holder The T1A fuse protecting the internal circuit is mounted on this fuse holder The fuse ensures the protection of the internal circuits in case of...

Страница 20: ...cedures Dip Switches CPM 310 G Digital Overcurrent Protection Relays can operate with X 1A or X 5A current transformers The dip switches shown on the image above enables the setting of the relay to wo...

Страница 21: ...hanism locks to this pivot providing mechanical and contacting stability Current Plugs Automatic Shorting Bridges Current plugs provide the electrical connection of the secondary circuit cabling to th...

Страница 22: ...A r Ters IEC EI 80 s 2 0 TMS 0 025 3 2 DMT 0 04 100 s DMT IEC Long Time Inverse Uzun Zamanl Ters IEC LTI 120 s 1 0 TMS 0 025 3 2 DMT 0 04 100 s DMT IEC Semiconductor Protection Yar iletken Koruma SA S...

Страница 23: ...Inverse Curve 5 IEC LTI IEC Long Time Inverse Curve 6 IEC Thermal Overload Curve Universal trip time delay formula is given above while IEC constants for various curves are given on the below table t...

Страница 24: ...24 The image below shows the trip delay curves for all IEC characteristics with TMS 1 TMS can be set in the range 0 025 3 2 for any protection function...

Страница 25: ...load Protection curves for its impossible to demonstrate all of the curves on a chart sample curves are given on the below chart to express an overview of the characteristic loge 2 2 t Trip time delay...

Страница 26: ...rve 3 IEEE EI IEEE Extremely Inverse Curve Universal trip time delay formula is given above while ANSI IEEE constants for various curves are given on the below table t Trip delay s A A constant for th...

Страница 27: ...27 The image below shows the trip delay curves for all ANSI IEEE characteristics with TMS 1 TMS can be set in the range 0 025 3 2 for any protection function...

Страница 28: ...O C3H Standard Inverse Curve Universal trip time delay formula is given above while special curve parameters are given on the below table t Trip delay s A A constant for the characteristic s I Momenta...

Страница 29: ...29 The image below shows the custom trip delay curves with TMS 1 TMS can be set in the range 0 025 3 2 for any protection function...

Страница 30: ...used for obtaining constant trip and reset times There are no parameters for the DMT characteristic other than the constant trip or reset time Characteristic notation is as follows e g t DMT 0 25s The...

Страница 31: ...ng a primary line in series with the one CPM 310 G protects The RIDMT parameters differ with the tripping curve the Table of CPM 310 G Protection and Reset Curves Parameters on page 22 shows these par...

Страница 32: ...32 PACKING LABELING INFORMATION...

Страница 33: ...Manufacturer Logo DEMA Product Name CPM 310 G Ordering Code 2 11AB Product Description Digital Multifunction Overcurrent Relay 3Ph E Rated Frequency 50 Hz 60 Hz Unit Serial Number G0910001 Nominal Ph...

Страница 34: ...34 OPERATING MANUAL...

Страница 35: ...problems Each stage is discussed thoroughly at the belonging section For feed back on the operation manual or technical assistance requests please do not hesitate to call our technical support depart...

Страница 36: ...o consideration If the cut out is processed at the panel manufacturing stage please prepare the cut out with the dimensions given below Electrostatic coating thickness will not prevent the correct mou...

Страница 37: ...ossible deformations on the panel Such inappropriate applications may harden driving the internal unit into or out of the case 4 Always use torque drivers when working with the relay Apply 0 69 0 82 N...

Страница 38: ...nner circuit earthing terminals and secondary current inputs are located on the left terminal group trip relay watchdog relay and programmable output terminals are located on the right terminal group...

Страница 39: ...or AC neutral 22 Auxiliary Supply Terminal DC or AC phase 23 Internal Circuit Earthing Terminal 24 Not used 25 Current Input Terminal for Phase R 1 5 A 26 Terminal for Current Bridge 27 Current Input...

Страница 40: ...40 The diagram below represents the inner circuit design of CPM 310 Sample cabling diagram is given on the following page CPM 310 G Circuit Diagram...

Страница 41: ...ormer would be in DC polarity Output signals to external devices e g the trip coil of a circuit breaker would be of DC polarity If your actual circuit has different polarity requirements prepare your...

Страница 42: ...evant standards o Use appropriate tools for crimping the ferrules Preferably use crimping tools with trapeze cross section crimping type o Use appropriate tools for stripping the cables Preferably use...

Страница 43: ...failure auxiliary timer delaying logic selectivity auto recloser CB Supervision programmable LEDs latching and alarm System Settings p 96 Setting the parameters for time date network power frequency...

Страница 44: ...power is supplied to the relay drive the internal unit of the relay out Because the nominal secondary current of protection current transformer is 5 A dip switch settings must remain as the default O...

Страница 45: ...r nominal current Protection CT primary nominal current ratio rTR 41 84 60 0 70 Make the setting below so as to activate thermal overload protection at 1 00 IrTR Making of I Phase Overcurrent Protecti...

Страница 46: ...uming those Ie threshold value is calculated as follows 15 60 0 25 f According to the calculation above do the following settings Making of Ie Earth Overcurrent Protection Settings g Presuming earth c...

Страница 47: ...ansformers play a critical role in secondary protection systems as they generate the signals essential for the systems Inappropriate selection and use of current transformers may result in reduced per...

Страница 48: ...ics on the menu as are done on the dip switches Doing this dip switch and CT settings are completed Setting Earth Nominal Current and Range If the current transformer is of X 5 A type set as follows F...

Страница 49: ...to the upper position so set as ON The secondary nominal current for earth is 5 A and range is required as 0 1 40 Ien According to that as explained on the page before the E1 and E2 dip switches no 1...

Страница 50: ...rement menus of CPM 310 G to make sure the phase rotation is correct take corrective actions if necessary Commission the System Use the Function Test Utility Use the Function Test utility via the rela...

Страница 51: ...tems FAULT DIAGNOSIS AND MAINTENANCE Even under good practices of maintenance and control electrical systems may go under faults overcurrent or device failures caused by mechanical thermal or electric...

Страница 52: ...test device for testing CPM 310 G use the Function Test option from the relay menus see p 126 Function Test option generates imaginary overcurrent and conditions and tests the functions in services t...

Страница 53: ...53 RELAY MENUS MANUAL...

Страница 54: ...310 G menus just read the menu title and refer to the dedicated section of this manual Use the index on the former page to access the sections quickly The purpose of this manual is to explain how men...

Страница 55: ...55 The Menu Tree...

Страница 56: ...56...

Страница 57: ...57...

Страница 58: ...58...

Страница 59: ...59...

Страница 60: ...60...

Страница 61: ...61...

Страница 62: ...tton is pressed for the second time one of the following will happen o If there are any alarm to be viewed the screen will display the Alarms menu the top picture on the following page The picture sho...

Страница 63: ...e initial screen Note that the external button on the CPM 310 G cover provides IP52 protection and eliminates the need of cover removal to access the Reset button Use the external button to carry out...

Страница 64: ...n on the pictures the physical OPEN button is colored red and CLOSE button is colored green Two topics must be paid attention to ensure the correct operation of the Circuit Breaker Monitoring and Cont...

Страница 65: ...idly under critical conditions e g in case of need to alter the supply direction of a ring network because of a permanent failure on one of the sides of the line The picture to the left shows the Sett...

Страница 66: ...eads to the next line By using those buttons the user can navigate to any of the functions which will flash when navigated over it S5 Enter button is used to enter the submenus of the function selecte...

Страница 67: ...tI definite time delay determines the character of the protection function along with the Delay Type parameter If the delay type is selected as DMT the delay will be displayed as tI and will have a ra...

Страница 68: ...tI definite time delay determines the character of the protection function along with the Delay Type parameter If the delay type is selected as DMT the delay will be displayed as tI and will have a ra...

Страница 69: ...I definite time delay determines the character of the protection function along with the Delay Type parameter If the delay type is selected as DMT the delay will be displayed as tI and will have a ran...

Страница 70: ...Introduction section TMS or tIe Tripping Delay TMS Time Multiplier Setting or tIe definite time delay determines the character of the protection function along with the Delay Type parameter If the del...

Страница 71: ...Introduction section TMS or tIe Tripping Delay TMS Time Multiplier Setting or tIe definite time delay determines the character of the protection function along with the Delay Type parameter If the del...

Страница 72: ...Introduction section TMS or tIe Tripping Delay TMS Time Multiplier Setting or tIe definite time delay determines the character of the protection function along with the Delay Type parameter If the del...

Страница 73: ...be set as any curve described in the Introduction section TMS or tI2 Tripping Delay TMS Time Multiplier Setting or tI2 definite time delay determines the character of the protection function along wi...

Страница 74: ...be set as any curve described in the Introduction section TMS or tI2 Tripping Delay TMS Time Multiplier Setting or tI2 definite time delay determines the character of the protection function along wi...

Страница 75: ...e is no fault current or one or two secondary wirings are open circuit The picture shows the Broken Conductor Protection Menu and the menu comprises 3 parameters Protection Can be set as Active or Pas...

Страница 76: ...lls below a predefined level close to idle consumption The picture shows the Phase Undercurrent Protection Menu and the menu comprises 3 parameters Protection Can be set as Active or Passive to have t...

Страница 77: ...motors and overhead lines at current range of 1 0 1 5 Ir By combining I thermal overload protection and I overcurrent protection functions in appropriate schemes within the boundaries of 1 0 1 5 Ir p...

Страница 78: ...his variable lets the user to multiply the tripping threshold The actual effect of this variable can be evaluated from the formula to decide what value it should be set in the allowed range of 1 00 1...

Страница 79: ...n the Alarm Menu The use of Alarm Menus will be examined thoroughly on the dedicated section in the following pages Alarm function can also be utilized to automate cooling systems or to inform the sup...

Страница 80: ...has the following characteristics Auto reclose shots up to 4 cycles Definite time reset characteristics Definite time inhibition function Independent settings for each individual function of phase ove...

Страница 81: ...tion covered The menus are reached by pressing S2 button after navigating to the last line of the main ARCL Settings menu The list below shows the functions that are covered by the auto recloser featu...

Страница 82: ...d function e g tI has occurred According to the sample settings on the picture being examined here no reclosing shots will be conducted if I protection function causes a time delay trip because auto r...

Страница 83: ...ons settings Setting the communications port protocol speed and relay address is available via the menu controls 3 Event Records Menu Event Records Menu displays the recorded events which may number u...

Страница 84: ...ttings Latch Settings and Alarm Settings 7 Function Test Menu Function Test Menu enables the testing function that conducts the final tests of the settings functionality and cabling done before commis...

Страница 85: ...ises RMS Current Measurements Menu Max RMS Current Measurements Menu Fundamental Harmonics Measurements Menu Positive Negative Sequence Current Measurements Menu Thermal Measurement Menu Input Output...

Страница 86: ...the bottom picture is displayed This ampermeter shows all the current values in the largest visual format possible to make it easier for the operator to observe the current readings Pressing any other...

Страница 87: ...ch And gives statistical information for archiving Maximum RMS current values are measured and displayed within the range of 0 1 40 0 In and 0 1 40 0 Ien Values lower than the base limit will neither...

Страница 88: ...he menu are primary values Fundamental harmonics current values are measured and displayed within the range of 0 1 40 0 In and 0 1 40 0 Ien Values lower than the base limit will neither be measured no...

Страница 89: ...erator that rotates a vector by 240 I1 gets the same value with the phases when the phase current values get the same value while having the average value of the phases when load imbalance takes place...

Страница 90: ...functions for machines and systems where the actual conductor heating cannot be partially or entirely measured by direct means or where overcurrent protection cannot provide the sensitive protection c...

Страница 91: ...s Status Outputs status examination is done the same way done for inputs As seen on the picture 3rd line of the screen displays the titles for the monitored outputs 6 programmable outputs the watchdog...

Страница 92: ...ate this feature the following are required Cabling a programmable input to a normally open auxiliary contacts of the CB Assigning 52a to the programmable input Assigning Close CB function to any of t...

Страница 93: ...of the instances that auto recloser is blocked Having examined the explanations above the following example tries to figure the behavior of the ARCL Auto Recloser Measurements Menu when an auto reclos...

Страница 94: ...grammed through the LED Settings Menu under the Automatic Control Functions Menu The sample LED status picture on the left shows that there are 4 active programmable LEDs L5 L8 that tell the tI tI tIe...

Страница 95: ...communication Most of the other communication systems need and use the RS485 port of which terminals are located on the backside terminal blocks of the unit The default setting is USB Protocol DEMA CP...

Страница 96: ...econd line of the screen gives the event record time stamp in hour minute second millisecond format The third line displays the summary of the record The bottom line contains the controls to browse ba...

Страница 97: ...nute second format Date Date setting is accessed and used by CPM 310 G for date stamping in recording functions such as waveform event and fault recording This field allows the time setting to be done...

Страница 98: ...asswords other than 0000 is used and take appropriate precautions Symbol System symbolization determines the notation style of line earth current The options are rstn and abce Active Group Active Grou...

Страница 99: ...their native Settings Password This control enables or disables password protection of protection and automatic control settings If this parameter is made Active password validation will be required...

Страница 100: ...ng calculations to be displayed on the alarm and records menus Secondary Phase Nominal Current This informative field is where the secondary phase nominal current is set in amperes The options are 1 A...

Страница 101: ...tting current transformers characteristics on the Current Transformers Menu does not provide the correct operation of CPM 310 G by itself but also the dip switch settings must also be done Incomplete...

Страница 102: ...t Settings Blocking Logic Selectivity Settings CB Pole Failure Settings Timer Settings Delaying Logic Selectivity Settings Auto reclose Settings CB Supervision Settings LED Settings Latch Settings and...

Страница 103: ...operate to modify the protection levels ONLY at the moment the circuit breaker is closed but not for disturbances that occur during stable operating conditions The following scenario examines CPM 310...

Страница 104: ...ines at the same time the moment that the protection functions will start to behave as they originally set to Covered Functions Active Passive The entire control lines other than those described in th...

Страница 105: ...to navigate to the appropriate output parameter then use S1 or S2 buttons to set the parameter as 1 assigned or 0 not assigned Use S5 ENT button to complete the setting for that function Each program...

Страница 106: ...onous motor pick up current exceeds a specified limit A function test of CPM 310 G may be needed to be conducted online in this case setting all parameters in Trip Settings Menu will do the trick As s...

Страница 107: ...ltering ARC Block Block Auto recloser Reset Reset Thermal Monitor TripCirSup Trip Circuit Supervision Start CBF Start CB Failure Alarm Reset LED Press Trip Pressure Trip Buch Alarm Buchholz Alarm Buch...

Страница 108: ...relay is blocked by the nearest downstream relay instantly and independently that results the only relay that is not blocked to trip which is automatically the nearest relay to the fault location Note...

Страница 109: ...not when receive a blocking signal as described recently The sample picture on the bottom of the previous page shows the default settings which will not allow any blockings to be done by inputs If any...

Страница 110: ...110 Obtaining selectivity using the Blocking Logic Selectivity function Application Diagram 8 p 201 Settings Made R1 CB Failure R4 I I Ie Ie I7 Blocking Sel 1...

Страница 111: ...on described on the latter topic the normally closed contacts of an SPDT output that is programmed as CB Failure must be connected in series with the output that generates the blocking signals this wi...

Страница 112: ...ms steps The default value for tCBF is 1 0 s however tCBF value is not recommended to exceed 100 ms if the function is to be used in blocking logic selectivity schemes WARNING CB pole failure supervi...

Страница 113: ...s can be triggered via inputs that are programmed as Start tAux1 or Start tAux2 and can trigger outputs programmed as tAux1 or tAux2 Note that the auxiliary timers can be triggered only externally via...

Страница 114: ...tream relay instantly and independently that results the tripping of the only relay of whose tripping is not delayed which is naturally the nearest relay to the fault location Note that the tripping o...

Страница 115: ...has the following characteristics Auto reclose shots up to 4 cycles Definite time reset characteristics Definite time inhibition function Independent settings for each individual function of phase ov...

Страница 116: ...tion covered The menus are reached by pressing S2 button after navigating to the last line of the main ARCL Settings menu The list below shows the functions that are covered by the auto recloser featu...

Страница 117: ...d function e g tI has occurred According to the sample settings on the picture being examined here no reclosing shots will be conducted if I protection function causes a time delay trip because auto r...

Страница 118: ...be viewed and reset at this address MENU Measurements CB Meas Opening Time 2 Closing Time Supervision This function measures and supervises the time interval between the generation of closing impulse...

Страница 119: ...r Supervision function does not count the manual tripping operations of the CB Maximum guaranteed tripping operations of the CB declared by the manufacturer must be considered when determining the Num...

Страница 120: ...on function To utilize the function the diagram below must be applied and an available programmable input e g I1 on the diagram below must be programmed as TripCirSup If electrical discontinuity is de...

Страница 121: ...button once while on any menu of CPM 310 G The picture to the middle of the page displays the LED Settings Menu welcome screen As seen on the pictures each programmable LED is configured from its ind...

Страница 122: ...to the left the last line that the sub menu contains is titled as Text This setting controls the display text of the programmable LED For programmable LEDs that has only one function appointed the Te...

Страница 123: ...ed to are listed below tI Time delay trip due to phase overcurrent I tI Time delay trip due to phase overcurrent I tI Time delay trip due to phase overcurrent I tIe Time delay trip due to earth overcu...

Страница 124: ...ping function is appointed to any of the programmable output relays a Trip Relay latching action will result also in the latching of those programmable outputs WARNINGS NOTES If the auto recloser func...

Страница 125: ...current threshold violations When the Alarm Resetting control is set as Auto alarms that belong to a later event deletes the older ones while the Manual option keeps all alarms displayed until they ar...

Страница 126: ...test is not interrupted the test completes after a time that depends on the settings of the protective functions The user is noticed when the test is over the bottom picture During the function test...

Страница 127: ...tI tI tIe tIe tIe tI t I2 I1 tI2 tI2 trip tAux1 tAux2 Buchholz Trip Thermometer Trip Pressure Trip Fault records count is the actual count of events that resulted in tripping of the CB and that curre...

Страница 128: ...128 DIGICONNECT PC PROGRAM MANUAL...

Страница 129: ...Windows 2000 Microsoft Windows XP 32 bit 64 bit Microsoft Windows Vista 32 bit 64 bit Microsoft Windows 7 32 bit 64 bit Microsoft Windows 8 8 1 32 bit 64 bit Microsoft Windows 10 32 bit 64 bit DigiCo...

Страница 130: ...r whatever the drive address is The address of your optical drive may be found out by exploring My Computer window usually located on and launched from the Desktop Once the program setup is launched t...

Страница 131: ...button below Click this button to install DigiConnect vX XX software to the specified destination directory Directory C Program Files x86 DigiConnect On this menu The Install button located on the up...

Страница 132: ...ess the Continue button to install the program The Cancel button on this menu provides the last option to exit the setup without installing the program After the Continue button on Setup Dialogue 4 is...

Страница 133: ...et as To proceed to the related options menu of your operating system press the OK button As the DigiConnect software uses the parameter format of 123 456 789 00 system settings must be set to allow t...

Страница 134: ...RS485 port from the terminal blocks located at the backside of CPM 310 G Relay Address CPM 310 G relays can be addressed with numbers 1 n 255 To read the actual address of the relay to be connected t...

Страница 135: ...ed may vary by the hardware and software used and any of the listed speed options may be required When direct communication to CPM 310 G via a PC is intended setting the baud rate to 38 400 will be mo...

Страница 136: ...ilar to the sample above Some zones are marked with numbers to make it easier to follow the instructions Additionally each menu screenshot has the access address just below it This manual explores and...

Страница 137: ...s to the menu where recorded waveforms are explored 5 Protection Settings shortcut leads to the protection settings menu 6 CT Settings shortcut leads to the menu where current transformer settings are...

Страница 138: ...ys the actual assignments made to the 7 programmable inputs and the activity on the inputs at that time If any of the inputs are activated the activation is announced to the user via red color on the...

Страница 139: ...1 Fundamental Harmonics window displays the fundamental harmonic component f 50 Hz 60 Hz of the phase and earth current filtered of higher order harmonics 2 Frequency window displays the actual netwo...

Страница 140: ...N Sequences 1 P N Positive Negative Sequences window displays the positive and negative sequence components of the measured fundamental component of the secondary current as absolute values in ampere...

Страница 141: ...Max RMS Current window displays the maximum value of the phase earth RMS current since the last reset in amperes or kiloamperes Max RMS current values can be reset for each phase and earth individuall...

Страница 142: ...ays between the excitation of trip closing release coils and loss receive of signals from the normally open auxiliary contact of the CB Note that assigning 52a to any of the programmable inputs and ca...

Страница 143: ...merators 1st 2nd 3rd and 4th Cycles These numerators watch and display the number of each successful cycle ARCL Block Auto recloser is subject to be blocking under some predefined conditions e g perma...

Страница 144: ...g the programmable outputs by utilizing the check boxes and the Send button When a check box is checked and the Send button is hit the related output relay changes position for the time determined by...

Страница 145: ...larms and the alarm information 1 There are a number of buttons to the right of the alarms display The Refresh button top downloads the alarm records to the display list if any exist Delete All button...

Страница 146: ...e button pops up a dialog window to locate and open an existing records archive file and gives access to older records Archiving functionality of DigiConnect lets users to create a library of events t...

Страница 147: ...event records The filtering method is based on the elimination of the events not resulting with tripping The acquisition display and evaluation principles are same with those of event records NOTE Wh...

Страница 148: ...Via this tab it is possible to access a Protection Settings window b CT Settings window c System Settings window d Automatic Control Settings window and e Communication Settings window The introducti...

Страница 149: ...d under the Settings tab the window titled Protection Settings Group Selection is displayed On this window the group that the settings will be in effect must be selected to proceed further The Back bu...

Страница 150: ...gs group selection is done the protection settings menu is reached This menu comprises the setting menus of following functions a Phase Protection Settings b Earth Protection Settings c Broken Conduct...

Страница 151: ...uffer tab 1 Phase overcurrent 1st threshold protection I ANSI 50 51 parameters and settings area 2 Phase overcurrent 2nd threshold protection I ANSI 51 parameters and settings area 3 Phase overcurrent...

Страница 152: ...s located under the Buffer tab 1 Earth overcurrent 1st threshold protection Ie ANSI 50N 51N parameters and settings area 2 Earth overcurrent 2nd threshold protection Ie ANSI 51N parameters and setting...

Страница 153: ...giConnect buffer When changes are to be applied to CPM 310 G unit Save to Device button must be utilized which is located under the Buffer tab 1 Broken conductor protection parameters and settings are...

Страница 154: ...unit Save to Device button must be utilized which is located under the Buffer tab 1 Negative sequence overcurrent 1st threshold protection I2 ANSI 46 parameters and settings area 2 Negative sequence...

Страница 155: ...er When changes are to be applied to CPM 310 G unit Save to Device button must be utilized which is located under the Buffer tab 1 Thermal overload protection I ANSI 49 parameters and settings area NO...

Страница 156: ...vice button must be utilized which is located under the Buffer tab 1 CT Settings window embeds the settings options for primary and secondary nominal current for phases and earth It must be noted that...

Страница 157: ...s or options As seen on the picture above the left side of the window includes the descriptions and current values of the parameters while the right side embeds combo and text boxes to edit parameters...

Страница 158: ...control functions that CPM 310 G can utilize are listed below a Input Settings b Timer Settings c Output Relay Settings d Trip Settings e Blocking Logic Selectivity Settings f CB Failure Settings g De...

Страница 159: ...ft side of the window shows the input names and current appointments while combo boxes of available function appointments take place on the right side of the window The Active Positions window is comp...

Страница 160: ...the parameter changes to the DigiConnect buffer When changes are to be applied to CPM 310 G unit Save to Device button must be utilized which is located under the Buffer tab 1 Timer Settings window ho...

Страница 161: ...unning and CB control functions e g trip and close are listed to the right of this list current appointments are indicated in columns of boxes each aligned to the related output numbers According to t...

Страница 162: ...trigger a trip process or not As seen on the picture above the window gives the protection function titles the current settings and Active Passive options for the functions to trigger a trip By defaul...

Страница 163: ...y Settings menu comprises settings of functions to involve in blocking logic selectivity activities Please see the section named Blocking Logic Selectivity Settings Menu in the Relay Menus Manual earl...

Страница 164: ...oes not fall down below the threshold value o The function generates an alarm on the Alarm Menu and triggers the Alarm LED to inform the user and tells that a Circuit Breaker Failure condition is dete...

Страница 165: ...ectivity Settings menu includes settings of functions to involve in delaying logic selectivity actions Please see the section named Delaying Logic Selectivity Settings Menu in the Relay Menus Manual e...

Страница 166: ...ttings button is hit under the Automatic Control Settings window 1 Auto reclose settings are done for two independent settings groups as in the case for protection settings To access to the Auto reclo...

Страница 167: ...shows the active settings of auto reclosing algorithm The algorithm can be modified via the controls in area 3 as marked on the picture above See the paragraph below 3 There are two groups of control...

Страница 168: ...ce button must be utilized which is located under the Buffer tab 1 Cold Load Pickup Settings window allows the users to set the functionality and parameter variables via the DigiConnect program Parame...

Страница 169: ...various types of circuit breaker supervision functions into or out of service and set the needed parameters for them Functions on this menu include CB tripping time supervision CB closing time superv...

Страница 170: ...le LED addresses 1 are given on the top of appointed functions list 2 To add a function to appointed functions list any functions are selected from the available functions list 3 and Add button 4 is c...

Страница 171: ...rs the option to latch Any of the programmable relays directly or The trip or programmable relays indirectly via appointed functions with latch option enabled By default the trip relay and the program...

Страница 172: ...evice button must be utilized which is located under the Buffer tab 1 Alarm Settings window provides monitoring of the active settings and editing the following parameters Clear Alarm parameter can be...

Страница 173: ...ngs window allows users to view and modify CPM 310 G communications options The options and available settings are listed below Communication Mode USB RS485 Protocol DEMCOM MODBUS IEC 60870 5 103 Baud...

Страница 174: ...create a password key file When Create Password Key button is hit DigiConnect program creates a password recovery file and saves it to the local disc When this file is send to DEMA the password will b...

Страница 175: ...button is hit DigiConnect automatically creates a password recovery file named pss pass and save it in the DigiConnect setup directory Buffer Menu The picture above shows that a setting change at Phas...

Страница 176: ...tton at this stage will load the changes to CPM 310 G unit removing the highlights on the Changed Settings window and the Send to Relay button Create Template File button will also go dim and creating...

Страница 177: ...remains in passive condition and in dim color if there is nothing to be saved at the buffer Note that the template file does not contain all of the relay settings but only the recent settings changes...

Страница 178: ...w is a standard Windows Save As dialog box asking for the file saving name and location Once the file name and location is decided and OK button is clicked the template file creation process is comple...

Страница 179: ...by hitting the Send to Relay button When the Load Template File is clicked the dialog box shown above pops up asks the user to locate the template file that is intended to be loaded to the buffer To l...

Страница 180: ...riggers Recording triggered either automatically by threshold triggers or manually semi automatically via an input with Start Waveform Recording appointed Waveform records are presented as long durati...

Страница 181: ...second day month year format 2 Clear All Records button deletes all the records existing on CPM 310 G memory Before taking this action it must be understood that this process is irreversible and all r...

Страница 182: ...s and viewing commands are displayed On the top left side of this new pane File and View menus are located Just below these menus the record time stamp is displayed and below the stamp 4 current time...

Страница 183: ...File menu on the top left side of the pane embeds the Save and Close commands Save command launches the archiving process of the loaded waveform record shown below while Close command terminates the...

Страница 184: ...side of the pane embeds two sub menus 1 Toolbars 2 Graphics Toolbars submenu contains the Time Bars command which activates two time sticks for each current time graphics Time bars allow the user to m...

Страница 185: ...rs on the right side of the screen display The actual time abscissa where the sticks are moved to and The time interval between the bars By utilizing these time bars any time measurements can be achie...

Страница 186: ...ed each right click on the graphic will zoom in to display a narrower range of the waveform Zoom Out Activates the zoom out tool When the tool is activated each right click on the graphic will zoom ou...

Страница 187: ...ords On the picture above it is observed that phase R waveform graphics is zoomed in to display approximately 3 cycles of the current wave Note that the 1ms time lines are activated via Layout Graphic...

Страница 188: ...hat Get From File button leads to To download and display waveform records from a local drive Waveform archive files with dsk extension must exist and be located on the drive The file must be selected...

Страница 189: ...189 APPLICATION DIAGRAMS...

Страница 190: ...n Diagrams With Respect to Functions table has been utilized and the following information has been acquired Like for any application Fundamental Cabling Diagram must be used To provide CB control and...

Страница 191: ...191 Sample Power Transformer Protection Application Diagram...

Страница 192: ...t Breaker Measurements Trip Numerator Circuit Breaker Measurements A Circuit Breaker Measurements A Auto recloser Measurements 3 Cold Load Pickup 1 Blocking Logic Selectivity 8 Circuit Breaker Pole Fa...

Страница 193: ...193 FUNDAMENTAL CABLING DIAGRAM...

Страница 194: ...Settings CB Position Indication Cold Load Pickup Automatic MENU Auto Control Settings Cold Load Pickup Settings Input MENU Automatic Control Settings Input Settings 1 7 Input CB Position Input MENU Au...

Страница 195: ...195 APPLICATION DIAGRAM NO 2 Function Function Activation Address Output Settings Internal Error Alarm Automatic...

Страница 196: ...tings 1 7 Input 52a Output MENU Automatic Control Settings Output Settings 1 6 Output CB Close CB Trip Time Supervision CB Closing Time Supervision MENU Automatic Control Settings CB Supervision Setti...

Страница 197: ...Automatic Control Settings Input Settings 1 7 Input Start tAux1 tAux2 Automatic Input MENU Automatic Control Settings Input Settings 1 7 Input Start tAux2 MENU Automatic Control Settings Input Settin...

Страница 198: ...Input MENU Automatic Control Settings Input Settings 1 7 Input Pressure Trip Buchholz Trip Automatic Input MENU Automatic Control Settings Input Settings 1 7 Input Buchholz Trip Thermometer Alarm Auto...

Страница 199: ...199 APPLICATION DIAGRAM NO 6 Function Function Activation Address Settings CB Charging Spring Supervision Automatic Input MENU Automatic Control Settings Input Settings 1 7 Input CB Spring Failure...

Страница 200: ...it is essential that the function itself is active for the output to work E g if I function is appointed to an output that output will not work unless I is activated Likewise an output programmed as B...

Страница 201: ...Control Settings Output Settings 1 6 Output CB Pole Failure MENU Automatic Control Settings Output Settings 3 6 Output I I Ie Ie Blocking Logic Selectivity MENU Automatic Control Settings Blocking Log...

Страница 202: ...AGRAM NO 9 Function Function Activation Address Settings CB Trip Circuit Supervision MENU Auto Control Settings CB Supervision Settings Input MENU Automatic Control Settings Input Settings 1 7 Input T...

Страница 203: ...203 APPLICATION DIAGRAM NO 10 RS485 Cabling...

Страница 204: ...204 TECHNICAL DATA...

Страница 205: ...establishing communications between CPM 310 G and PCs is a standard USB cable with terminations Type A on one side and Type B on the other side This cable is widely preferred for PC printer connectio...

Страница 206: ...206 Technical Drawings The drawing below specifies the overall dimensions of CPM 310 G and the cutout dimensions for flush mounting...

Страница 207: ...elay Contact Characteristics Rated Values 8 A 250 VA C ohmic 8 A 24 VDC ohmic Short Time Withstand Current 16 A 3 s 30 A 0 5 s Max Switching Voltage 440 VA C Max Switching Current 16 A Max Switching P...

Страница 208: ...ncreasing trip delays for the selected protection functions while the protection group is set to 2 Connection Cable 2 wire screened communications cable Connection Point 4 terminals at the rear side o...

Страница 209: ...se IEC VI IEC Very Inverse IEC EI IEC Extreme Inverse IEC LTI IEC Long Time Inverse SA Semiconductor Protection SB Definite Inverse SC CO2 Short Time Inverse SD CO8 Long Time Inverse SE CO C3H Normal...

Страница 210: ...amental harmonics of negative sequence current I2 I1 Setting Range 20 100 in steps of 1 Tripping Delay Setting Range 1 14 400 s in steps of 1 s Measurement Technique Fundamental harmonic Threshold Set...

Страница 211: ...to Trip Relay tI tI tI tIe tIe tIe tI tI2 tI2 Thermal Trip Broken Conductor tAux1 tAux2 Buchholz Temperature Pressure Functions available to assign to Programmable Inputs Passive Unlatch 52 a 52 b CB...

Страница 212: ...I I I Ie Ie Ie tI tI tI tIe tIe tIe Thermal Trip Broken Conductor CB Failure Programmable Inputs 1 2 3 4 5 6 7 tAux1 tAux2 Cold Load Pickup ARCL Running ARCL Blocked Buchholz Alarm Buchholz Trip Temp...

Страница 213: ...in the range 2 20 Is Measured current is max 40 In Thermal Trip Delaying Error 5 or 200 ms One of the criteria will be fulfilled Valid in the range 1 5 8 Is Measuring Error 1 at I In Primary Phase No...

Страница 214: ...on Active Protection Active I Threshold 5 00 In Ie Threshold 0 75 Ien Delay Type DMT Delay Type DMT tI 0 05 s tIe 0 05 s Reset Type DMT Reset Type DMT tReset 0 04 s tReset 0 04 s Protection Passive Pr...

Страница 215: ...e 200 Time 1 0 s Protection Passive Pickup tI Passive I2 Threshold 0 5 In Pickup tI Passive Delay Type DMT Pickup tI Passive tI2 5 0 s Pickup tIe Passive Reset Type DMT Pickup tIe Passive tReset 0 04...

Страница 216: ...rip tI2 Active tAux2 1 0 s Trip tI2 Active Trip Active Logic Selectivity tI Passive Trip Broken Conductor Active Logic Selectivity tI Passive Trip tZR1 Active Logic Selectivity tIe Passive Trip tZR2 A...

Страница 217: ...ux2 0000 11111 Latch tZR1 Passive Circuit Breaker Supervision Latch tZR2 Passive CB Trip Supervision Passive Latch Output 1 Passive Trip Time 0 2 s Latch Output 2 Passive CB Close Supervision Passive...

Страница 218: ...t Class 3 6 kV 8 kV contact and air discharge EN60255 22 3 Fields Affect Immunity Test Class 3 Amplitude Modulation 10 V m 80 1000 MHz Point Frequency App 10 V m 80 160 450 900 MHz Pulse Frequency App...

Страница 219: ...ons Communication support for MODBUS IEC 60870 5 103 and DEMCOM protocols Menu Languages Default Language English Alternative Language Turkish C P M 3 1 0 G Standard Product Code CPM 310 G C P M 3 1 0...

Страница 220: ...220 GLOSSARY...

Страница 221: ...arth overcurrent protection ANSI 51 Time delay tripping related to phase overcurrent protection ANSI 51N Time delay tripping related to earth overcurrent protection ANSI 64N Restricted earth fault pro...

Страница 222: ...protection 2nd threshold value Ie Earth overcurrent 3rd threshold protection function Instantaneous tripping due to earth overcurrent 3rd threshold protection Earth overcurrent protection 3rd thresho...

Страница 223: ...it Breaker Failure delay time s TCS Trip Circuit Supervision TS Sensitive type earth protection t I2 I1 Time delay trip due to broken conductor protection tTCS Trip Circuit Supervision delay time s tI...

Страница 224: ...gies Association Germany W Watchdog Alarm relay for reporting internal failures and auxiliary supply shortage X Y Z Sigma A Cumulative trip ampere meter value A2 Cumulative trip ampere square meter va...

Страница 225: ...ercurrent Protection Relay User Manual EN TG 310 B Version EN 2016 03 225 pages 21 03 2016 CPM 310 G Firmware version v3 11 DigiConnect PC Program version v3 1 0 Phone 90 216 352 77 34 90 216 352 77 3...

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