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MC30-BC

 

Doc. N°

 

MO-0365-ING

 

 

Copyright 2008    

FW  980.09.01.X 

Date 

15.06.2022 

Rev. 

1 

 

Pag. 

2 

of 

37 

 

 

1.  General Utilization and Commissioning Directions ________________________________________________________ 3

 

1.1 - Storage and Transportation ______________________________________________________________________ 3

 

1.2 - Installation  __________________________________________________________________________________ 3

 

1.3 - Electrical Connection ___________________________________________________________________________ 3

 

1.4 - Measuring Inputs and Power Supply _______________________________________________________________ 3

 

1.5 - Outputs Loading ______________________________________________________________________________ 3

 

1.6 - Protection Earthing ____________________________________________________________________________ 3

 

1.7 - Setting and Calibration _________________________________________________________________________ 3

 

1.8 - Safety Protection ______________________________________________________________________________ 3

 

1.9 - Handling ____________________________________________________________________________________ 3

 

1.10 - Maintenance ________________________________________________________________________________ 4

 

1.11 - Waste Disposal of Electrical & Electronic Equipment __________________________________________________ 4

 

1.12 - Fault detection and repair ______________________________________________________________________ 4

 

2. General Characteristics _____________________________________________________________________________ 5

 

2.1 - Power Supply  ________________________________________________________________________________ 5

 

2.2 - Operation and Algorithms _______________________________________________________________________ 6

 

2.2.1 - Reference Input Values  _____________________________________________________________________ 6

 

2.2.2 - Input quantities ___________________________________________________________________________ 6

 

2.2.3 - Time Current Curves IEC (TU1029 Rev.0) _______________________________________________________ 8

 

2.2.4 - Time Current Curves IEEE (TU1028 Rev.0) ______________________________________________________ 9

 

3. Functions and Settings (Function) ____________________________________________________________________ 10

 

3.1 - T> (F49) - Thermal Image protection level _________________________________________________________ 10

 

3.1.2 - Thermal Image Curves (TU0445 Rev.0) ________________________________________________________ 11

 

3.2. - I> (1F51) - First overcurrent protection level  ______________________________________________________ 12

 

3.3 - I>> (2F51) - Second overcurrent protection level  ___________________________________________________ 13

 

3.4 - IH (3F51) - Third overcurrent protection level  ______________________________________________________ 14

 

3.4.2 

–

 Automatic doubling of Overcurrent thresholds on current inrush _____________________________________ 14

 

3.5 - Io> (1F51N) - First Earth Fault protection level  _____________________________________________________ 15

 

3.6 - Io>> (2F51N) - Second Earth Fault protection level __________________________________________________ 15

 

3.7 - IoH (3F51N) - Third Earth Fault protection level _____________________________________________________ 16

 

3.8 - BF (F51BF) - Breaker Failure ____________________________________________________________________ 16

 

3.9 - BC (I2/I1) 

–

 Broken Conductor __________________________________________________________________ 17

 

3.10 

–

 F86 

–

 Lock-out relay _________________________________________________________________________ 17

 

3.11 

–

 S Sel 

–

 Setting Selection  _____________________________________________________________________ 18

 

3.12 - I.R.F. - Internal Relay Failure __________________________________________________________________ 18

 

3.13 - Osc - Oscillographic Recording  _________________________________________________________________ 19

 

3.14 - CBMng 

–

 Close Breaker Manage ________________________________________________________________ 19

 

3.15 - Comm 

–

 Communication Parameters  ____________________________________________________________ 20

 

3.16 - LCD 

–

 Display and Buzzer operation _____________________________________________________________ 20

 

4. Logic Blocking of Functions _________________________________________________________________________ 21

 

4.1 - Blocking outputs _____________________________________________________________________________ 21

 

4.2 

–

 Blocking Inputs ______________________________________________________________________________ 21

 

5. Output Relays ___________________________________________________________________________________ 21

 

6. Digital Inputs ____________________________________________________________________________________ 22

 

7. Self-diagnostic ___________________________________________________________________________________ 22

 

8. Relay Management  _______________________________________________________________________________ 23

 

9. Signalizations  ___________________________________________________________________________________ 24

 

10. Keyboard Buttons  _______________________________________________________________________________ 24

 

11. Serial Communication Port  ________________________________________________________________________ 25

 

11.1 - Main RS485 Serial Communication Port  __________________________________________________________ 25

 

11.2 - Communication Port on Front Face Panel  _________________________________________________________ 26

 

12. Menu and Variables ______________________________________________________________________________ 27

 

12.1 - Real Time Measurements  _____________________________________________________________________ 27

 

12.2 - Meas (Instantaneous Measurements) ____________________________________________________________ 27

 

12.3 - Counter (Operation Counters) __________________________________________________________________ 28

 

12.4 - LastTrip (Event Recording) ____________________________________________________________________ 28

 

12.5 - R/W Set (Programming / Reading the Relay Settings) _______________________________________________ 29

 

12.5.1 - CommAdd (Communication Address) _________________________________________________________ 29

 

12.5.2 - Time/Date (Time/Date)  ___________________________________________________________________ 29

 

12.5.3 - RatedVal (Rated Input Values) ______________________________________________________________ 29

 

12.5.4 - Function (Functions) ______________________________________________________________________ 30

 

12.6 - RelayCfg (Relay Configuration) _________________________________________________________________ 32

 

12.7 - Commands  ________________________________________________________________________________ 32

 

12.8 - Info&Ver (Firmware - Info&Version) _____________________________________________________________ 32

 

13. Keyboard Operational Diagram _____________________________________________________________________ 33

 

14. Password ______________________________________________________________________________________ 34

 

14.1 - MS-Com Password ___________________________________________________________________________ 34

 

15. Maintenance  ___________________________________________________________________________________ 34

 

16. Power Frequency Insulation Test ____________________________________________________________________ 34

 

17. Connection Diagram  _____________________________________________________________________________ 35

 

18. Overall Dimensions ______________________________________________________________________________ 35

 

19. Direction For Pcb's Draw-Out And Plug-In _____________________________________________________________ 36

 

19.1 - Draw-Out  _________________________________________________________________________________ 36

 

19.2 - Plug-In  ___________________________________________________________________________________ 36

 

20. Electrical Characteristics __________________________________________________________________________ 37

 

Содержание MC30-BC

Страница 1: ...MC30 BC Doc N MO 0365 ING Copyright 2008 FW 980 09 01 X Date 15 06 2022 Rev 1 Pag 1 of 37 MICROPROCESSOR OVERCURRENT EARTH FAULT BROKEN CONDUCTOR RELAY TYPE OPERATION MANUAL...

Страница 2: ..._19 3 14 CBMng Close Breaker Manage ________________________________________________________________19 3 15 Comm Communication Parameters ____________________________________________________________20...

Страница 3: ...ety Protection Carefully check that all safety means are correctly mounted apply proper seals where required and periodically check their integrity 1 9 Handling Notwithstanding the highest practicable...

Страница 4: ...hen you wish dispose of it Instead it should be handed over to an applicable collection point for the recycling of electrical and electronic equipment By ensuring this product is disposed of correctly...

Страница 5: ...RS232 port on front panel Totally draw out execution with automatic C T shorting device Input currents are supplied to 3 current transformers measuring phase currents An additional internal CT directl...

Страница 6: ...rrent inputs I1 The relay directly displays the r m s value of the Phase Currents IA IB IC flowing in the Primary of the input Current Transformers and refers all its measurements to that value To mak...

Страница 7: ...ime delay t I Ts when tr Operation time of the output relay on pick up 7ms The parameters A and a have different values for the different Time Current Curves Curve Name Curve Identifier A B a IEC A In...

Страница 8: ...MC30 BC Doc N MO 0365 ING Copyright 2008 FW 980 09 01 X Date 15 06 2022 Rev 1 Pag 8 of 37 2 2 3 Time Current Curves IEC TU1029 Rev 0...

Страница 9: ...MC30 BC Doc N MO 0365 ING Copyright 2008 FW 980 09 01 X Date 15 06 2022 Rev 1 Pag 9 of 37 2 2 4 Time Current Curves IEEE TU1028 Rev 0...

Страница 10: ...quare of the largest phase current I Allowed overloading time See Curve The trip time delay t of the thermal element depends on the warming up time constant tw on the previous thermal status Ip In 2 o...

Страница 11: ...MC30 BC Doc N MO 0365 ING Copyright 2008 FW 980 09 01 X Date 15 06 2022 Rev 1 Pag 11 of 37 3 1 2 Thermal Image Curves TU0445 Rev 0...

Страница 12: ...A IEC A Inverse B IEC B Very Inverse C IEC C Extremely Inverse MI IEEE Moderate Inverse Curve VI IEEE Very Inverse Curve I IEEE Inverse Curve EI IEEE Extremely Inverse Curve SI IEEE Short Inverse Curv...

Страница 13: ...f variables FuncEnab If disable the function is disactivated BI Operation controlled by Blocking Digital Input 2xI Automatic threshold doubling on inrush Trg Function operation triggers the oscillogra...

Страница 14: ...exceeded for time tIH When the function is tripped Signalization Led Trip is illuminated Last Trip Is recorded Function reset when The current drop below 95 IH Led reset when push button is pressed 3...

Страница 15: ...Residual Current Pick up level tIo Trip time delay Trip when The current trip level is exceeded for time tIo When the function is tripped Signalization Led Trip is illuminated Last Trip Is recorded Fu...

Страница 16: ...l tIoH Trip time delay Trip when The current trip level is exceeded for time tIoH When the function is tripped Signalization Led Trip is illuminated Last Trip Is recorded Function reset when The curre...

Страница 17: ...ken conductor is big experienced a negative sequence current appears measuring not only I2 but computing the ratio I2 I1 gives a much more accuracy at the low values 3 10 F86 Lock out relay FuncEnab E...

Страница 18: ...putSE Change In to InL setting based on Digital input D2 see Digital Inputs 3 12 I R F Internal Relay Failure FuncEnab No Param No Parameters Options Opl NoTrip NoTrip Trip TripLev No Param No Paramet...

Страница 19: ...illographic recording is started respectively by the Time Start or by the Time End of any of the functions that have been programmed to Trigger the Wave Form Capture I I IH Io Io IoH BC The Osc Functi...

Страница 20: ...anel RS232 communication speed RBd Remote Baud Rate Rear panel terminal blocks RS485 communication speed Mod Remote mode communication parameters Note Any change of this setting becomes valid at the n...

Страница 21: ...that other Protection Relays set with the same trip time delay that send the activation signal to the blocking Input D2 can trip before open and the C B nearest to the Fault Also in this case however...

Страница 22: ...any time the DI switch from closed to open the oscillographic recording is started 7 Self diagnostic The relay incorporates a sophisticated self diagnostic feature that continuously checks the follow...

Страница 23: ...The relay can be totally managed locally either by the RS232 communication port or by means the 4 key buttons and the LCD display or remotely via the rear communication port RS485 The 2 line x 8 char...

Страница 24: ...delayed trips reset takes places by pushing the reset button d PWR I R F Illuminated during normal operation when Power Supply is ON Flashing when a Relay Internal Fault is detected When any time dela...

Страница 25: ...hysical link is RS485 and the Communication Protocol is MODBUS RTU IEC60870 5 103 The configuration of transmission parameters is selectable Baud Rate 9600 19200 bps 9600 19200 bps 9600 19200 bps Star...

Страница 26: ...cation Port on Front Face Panel This port is used for communication through the Front Face Panel between a local Lap top PC The physical link is RS232 by the standard female 9 pin D sub connector avai...

Страница 27: ...of Phase C current Io 0 0 6553 5 A RMS value of Zero Sequence Current RMS Primary Amps I1 0 65535 Direct sequence I2 0 65535 Inverse sequence Tem 0 65535 T Actual temperature rise SR 0 65535 Inverse...

Страница 28: ...nformation relevant to the last 20 tripping of protection functions FIFO Each event recording includes the following information Real Time Meas LastTrip 1st event to scroll available events to Rec sel...

Страница 29: ...set hour XX mm to set minutes To validate Set Done Exit 12 5 3 RatedVal Rated Input Values RatedVal 1st Variable to scroll variables to modify selected variable Password If not yet entered or If not...

Страница 30: ...ing on inrush Enable Disable Trg Enable Function operation triggers the oscillographic wave form capture Enable Disable TripLev I 2 00 In Trip level of overcurrent protection 0 50 40 00 0 01 Timers tI...

Страница 31: ...lock Broken Conductor element Enable Disable IRF Enable Block Internal Relay Fault Enable Disable TripLev No Parameters Timers No Parameters S Sel FuncEnab Disable Enable of the protection function En...

Страница 32: ...ormally Deenergized N E Normally Energized N D N E Relay2 R2 Link BF Association of functions to output relay R2 T Ta I tI I tI IH tIH Io tIo Io tIo tIoH BF BC tBC F86 SetStd SetLow IRF CBopen Cbclose...

Страница 33: ...MC30 BC Doc N MO 0365 ING Copyright 2008 FW 980 09 01 X Date 15 06 2022 Rev 1 Pag 33 of 37 13 Keyboard Operational Diagram...

Страница 34: ...fication or to issue a command through the relay itself using the managing software MSCom The user can decide whether inserting his own password see MS Com Operational Manual or keeping the password d...

Страница 35: ...MC30 BC Doc N MO 0365 ING Copyright 2008 FW 980 09 01 X Date 15 06 2022 Rev 1 Pag 35 of 37 17 Connection Diagram 18 Overall Dimensions PROTECTION DEGREE IP44 IP54 on request...

Страница 36: ...tal position of the screws driver mark Draw out the PCB by pulling on the handle 19 2 Plug In Rotate clockwise the screws in the horizontal position of the screws driver mark Slide in the card on the...

Страница 37: ...2 5kV m c 1kV d m Oscillatory waves Ring waves IEC61000 4 12 level 4 4kV c m 2kV d m Surge immunity test IEC61000 4 5 level 4 2kV c m 1kV d m Voltage interruptions IEC60255 4 11 Resistance to vibratio...

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