MICROELETTRICA MC30-R2 Operation Manual Download Page 1 | Manualshive

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MC30-R2

Doc. N°

MO-0462-ING

Copyright 2012

FW: 1290.37.01.x

Date

06.09.2022

Rev.

1

Pag.

1

of

38

MICROPROCESSOR

OVERCURRENT and EARTH FAULT RELAY

with AUTORECLOSE

TYPE

OPERATION MANUAL

1
2
3
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Summary of Contents for MC30-R2

Page 1: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 1 of 38 MICROPROCESSOR OVERCURRENT and EARTH FAULT RELAY with AUTORECLOSE TYPE OPERATION MANUAL...

Page 2: ...________________________________________________20 3 13 LCD Display and Buzzer operation _____________________________________________________________20 4 Logic Blocking of Functions _________________...

Page 3: ...fety 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 practicabl...

Page 4: ...when 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 correctl...

Page 5: ...t 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 directly measure...

Page 6: ...ge 50 130 1 In 2 2 2 Input quantities 2 2 2 1 Mains Frequency Freq The relay can operate either in 50Hz or 60Hz systems The rated Mains Frequency Freq must be set accordingly 2 2 2 2 Phase Current inp...

Page 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...

Page 8: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 8 of 38 2 2 3 Time Current Curves IEC TU1029 Rev 0...

Page 9: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 9 of 38 2 2 4 Time Current Curves IEEE TU1028 Rev 0...

Page 10: ...e 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 on the admis...

Page 11: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 11 of 38 3 1 1 Thermal Image Curves TU0445 Rev 0...

Page 12: ...e 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 Curve BI Operation...

Page 13: ...ncEnab If disable the function is disactivated BI Operation controlled by Blocking Digital Input 2xI Automatic threshold doubling on inrush Trg Function operation triggers the oscillographic wave form...

Page 14: ...re shot Sh3 Tripping of this function 3F51 starts Yes or not No the 3rd reclosure shot Sh4 Tripping of this function 3F51 starts Yes or not No the 4th reclosure shot IH Minimum phase current pick up l...

Page 15: ...erse 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 Curve BI Operat...

Page 16: ...of this function 2F51N starts Yes or not No the 4th reclosure shot Io Minimum Zero Sequence Residual Current Pick up level tIo Trip time delay 3 7 IoH 3F51N Third Earth Fault protection level FuncEna...

Page 17: ...to the Circuit Breaker tBF Trip time delay Operation If after the time tBF from pick up of the programmed relay TrR the current measured still exceeds 5 In the output relay associated to the BF functi...

Page 18: ...programmed to control the first reclose shot C B opening operated manually or by one function not programmed to control the next reclosure shot activates the Lock out status of the Automatic Reclosur...

Page 19: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 19 of 38...

Page 20: ...y store a record of 3 seconds The number of events recorded depends on the duration of each individual recording tPre tPost In any case the number of event stored can not exceed ten 10 x 0 3 sec Any n...

Page 21: ...ther 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 anothe...

Page 22: ...is started 7 Selfdiagnostic The relay incorporates a sophisticated selfdiagnostic feature that continuously checks the following elements A D conversion Checksum of the settings stored into E2 Prom DS...

Page 23: ...an be totally managed locally either by the RS232 communication port or by the 4 key buttons and the LCD display or remotely via the communication bus RS485 connected to the rear terminal blocks The 2...

Page 24: ...function is tripped reset takes places by pressing 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 p...

Page 25: ...physical 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 St...

Page 26: ...ication 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 ava...

Page 27: ...gest of the 3 phase currents of rated current IA 0 65535 A RMS value of Phase A current IB 0 65535 A RMS value of Phase B current IC 0 65535 A RMS value of Phase C current Io 0 0 6553 5 A RMS value of...

Page 28: ...pping For indication of the TRIP Cause the following acronyms are used T Thermal Image I 1st Overcurrent Short Circuit I 2nd Overcurrent Short Circuit IH 3rd Overcurrent Short Circuit Io 1st Earth Fau...

Page 29: ...Current time YY to set year XX MM to set month XX XX DD to set day XX XX XX hh mm to set hour XX mm to set minutes To validate Set Done Exit 12 5 3 RatedVal Rated Input Values RatedVal 1st Variable t...

Page 30: ...bling on inrush Enable Disable Trg Enable Function operation triggers the oscillographic wave form capture Enable Disable TripLev I 0 5 In Trip level of overcurrent protection 0 50 40 00 0 01 Timers t...

Page 31: ...claim time after any successful reclosure 0 10 300 0 1 RCL1 2 Reclosing time interval of first reclosing shot 0 10 300 0 1 RCL2 4 Reclosing time interval of 2nd reclosing shot 0 10 300 0 1 RCL3 6 Recl...

Page 32: ...HwRecov 0 D1 0 D1not 0 D2 0 D2not 0 D3 0 D3not Chs OpMode N D N D Normally Deenergized N E Normally Energized N D N E Relay3 R3 Link Ta I I IH Io Io IoH Association of functions to output relay R3 T T...

Page 33: ...ion Clear Erase memory of Trip Counters Event Records Test Starts a relay diagnostic test Reset Reset after trip CBopen Manual Open Close Breaker CBclose Manual Close Close Breaker 12 8 Info Ver Firmw...

Page 34: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 34 of 38 13 Keyboard Operational Diagram...

Page 35: ...cation 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 dis...

Page 36: ...MC30 R2 Doc N MO 0462 ING Copyright 2012 FW 1290 37 01 x Date 06 09 2022 Rev 1 Pag 36 of 38 17 Connection Diagram 18 Overall Dimensions...

Page 37: ...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...

Page 38: ...400pps 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...

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