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MC30-R2

Doc. N°

MO-0462-ING

FW: 1290.37.01.x

Date

06.09.2022

Rev.

Pag.

MICROPROCESSOR

OVERCURRENT and EARTH FAULT RELAY

with AUTORECLOSE

TYPE

OPERATION MANUAL

Содержание MC30-R2

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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