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IM30-CV

Doc. N° MO-0150-ING

Rev.

1

Date

14.07.2003

Copyright 2010 - Microener

Firmware:

1.0X

Pag

21

di

24

21. TIME CURRENT (TU0298

– R2)

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Содержание IM30-CV

Страница 1: ...24 MULTIFUNCTION MICROPROCESSOR PROTECTION RELAY 3 PHASE OVERLOAD AND UNBALANCE PROTECTION FOR CAPACITOR BANK TYPE IM30 CV OPERATION MANUAL MUCAPACITOR PROTECTION RELAY TYPE IM30 CV ENTER RESET MODE SELECT PROG IL IH OL OH B I F D PROG I BR FAIL I R F MICROELETTRICA SCIENTIFICA MILANO ITALIA UL UH ...

Страница 2: ...________________________11 10 4 TRIP NUM Trip number ____________________________________________________________ 11 11 Reading of programmed settings and relay s configuration_____________________________________ 11 12 Programming___________________________________________________________________________ 12 12 1 Programming of functions settings____________________________________________________...

Страница 3: ...S LOADING must be compatible with their declared performance 1 6 PROTECTION EARTHING When earthing is required carefully check its efficiency 1 7 SETTING AND CALIBRATION Carefully check the proper setting of the different functions according to the configuration of the protected system the safety regulations and the co ordination with other equipment 1 8 SAFETY PROTECTION Carefully check that all ...

Страница 4: ...regulations 1 11 FAULT DETECTION AND REPAIR Internal calibrations and components should not be alterated or replaced For repair please ask the Manufacturer or its authorised Dealers Misapplication of the above warnings and instruction relieves the Manufacturer of any liability 2 GENERAL CHARACTERISTICS Input quantities are supplied to 4 Current Transformers three measuring phase current one measur...

Страница 5: ...Paramater scanning by the key SELECT Parameter modification by the key Set validation by the key ENTER Scanning of the menus by the key MODE SELECT ENTER Enabled only if input current is zero ENTER RESET MODE SELECT PROG The SELECT button chooses which category of values within the chosen mode to display Pressing this button progressively selects between Measurements Display Setting Display Progra...

Страница 6: ...BIT Flashing when the current drops below the set level I Illuminated on trip after expiry of the set trip time delay tI the led automatically extinguishes at the end of the set wait time for enabling to reenergize the capacitor bank g Red LED BR FAIL Flashing during the reclose inhibition time tRI Lit on when the BREAKER FAILURE function is activated h Yellow LED B I F D FUNCTION DISABLED Illumin...

Страница 7: ... relay already associated to any time delayed element cannot be associated to any instantaneous element and viceversa The relay R5 normally energised is not programmable and is deenergized on internal fault power supply failure during the programming 6 SERIAL COMMUNICATION The relays fitted with the serial communication option can be connected via a cable bus or with proper adapters a fiber optic ...

Страница 8: ...additional time 2tBF tBf 2tBF tBo 2tBF By proper interconnection of the blocking inputs and different among output relays it is possible to configurate very efficient arrangements of logic fault discrimination as well as to feature a safe and quick breaker back up protection B14 terminals 1 14 input from 52a contact Normally Open of the capacitor bank Circuit Breaker for monitoring the C B open cl...

Страница 9: ...ory SET DISP Reading of the settings and of the configuration of the output relays as programmed PROG Access to the programming of the settings and of relay configuration TEST PROG Access to the manual test routines b Green key SELECT When operated it selects one of the menus available in the actual operation MODE c Red key AND When operated they allow to scroll the different information available...

Страница 10: ... unbalance voltage displayed as p u of the rated input Un u xxxxx Uo IA displacement in degrees of Uo from IA 0 360 anticlockwise Ud x xx Un Unbalance compensated voltage as p u of rated input Un 10 2 MAX VAL Max demand values recorded starting from 100ms after closing of main Circuit Breaker plus highest inrush values recorded within the first 100ms from Breaker closing updated any time the break...

Страница 11: ...d x xx Un Unbalance compensated voltage 10 4 TRIP NUM Counters of the number of operations for each of the relay s functions The memory is non volatile and can be cancelled only with a secret procedure Display Description IL xxxxxx Low set overcurrent trips IH xxxxxx High set overcurrent trips OL xxxxxx Low set Earth Fault OH xxxxxx High set Earth Fault UL xxxxxx Low set unbalance UH xxxxxx High s...

Страница 12: ... now scrolls the available parameters By the key the displayed values can be modified to speed up parameter s variation press the key SELECT while or are pressed Press key ENTER RESET to validate the set values 12 1 PROGRAMMING OF FUNCTION SETTINGS Mode PROG menu SETTINGS Production standard settings here under shown Display Description Setting Range Step Unit Fn 50 Hz Mains frequency 50 60 10 Hz ...

Страница 13: ...d voltage of the P Ts for unbalance detection 0 02 0 8 Dis 0 01 Un tUL 1 0 s Trip time delay of low set unbalance element In the inverse time operation it is the trip time delay at Io 5xOL 1 0 30 1 9 99 0 01 10 30 0 1 s UH 0 04 Un Trip level of high set unbalance element p u of the rated voltage of the P Ts for unbalance detection 0 01 1 0 Dis 0 01 Un tUH 1 s Trip time delay of the high set unbala...

Страница 14: ...4 tUL 2 As above time delayed element operates relay R1 R2 R3 R4 UH Instantaneous element of high set unbalance element operates relay R1 R2 R3 R4 tUH 2 As above time delayed element operates relay R1 R2 R3 R4 tI 4 Time delayed element min current operates relay R1 R2 R3 R4 tRI Start of reclose timer tRI operates relay R1 R2 R3 R4 tBF Breaker failure element operates relay R2 R3 R4 tFRes M The res...

Страница 15: ...ed row 2 the breaker failure timer is started tBF When such timer expires the I Izero condition is checked again and the breaker failure function is energized only if current is still above Izero When B14 is DISABLED its status is ignored Thus the following table is considered Status of B14 52a contact Value of Imax C B status Any Imax Izero Closed Any Imax Izero Open Note 4 Wait time for the reen...

Страница 16: ...in a bench test environment or after all dangerous output connections are removed 14 MAINTENANCE No maintenance is required Periodically a functional check out can be made with the test procedures described under MANUAL TEST chapter In case of malfunctioning please contact Microelettrica Scientifica Service or the local Authorised Dealer mentioning the relay s Serial No reported in the label on re...

Страница 17: ...A m 0 1 1MHz Electrical fast transient burst IEC61000 4 4 level 3 2kV 5kHz HF disturbance test with damped oscillatory wave 1MHz burst test IEC60255 22 1 class 3 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 vibration and shocks IEC60255 21 1 IEC6...

Страница 18: ...M30 CV Doc N MO 0150 ING Rev 1 Date 14 07 2003 Copyright 2010 Microener Firmware 1 0X Pag 18 di 24 17 CONNECTION DIAGRAM SCE1726 Rev 2 Standard Output 17 1 CONNECTION DIAGRAM SCE1727 Rev 2 Double Output ...

Страница 19: ...right 2010 Microener Firmware 1 0X Pag 19 di 24 18 WIRING THE SERIAL COMMUNICATION BUS SCE1309 Rev 0 19 CHANGE PHASE CURRENT RATED INPUT 1 OR 5A J1 Phase A J2 Phase B J3 Phase C Rated Input Current Rated Input Current Rated Input Current Jumper Connector ...

Страница 20: ...IM30 CV Doc N MO 0150 ING Rev 1 Date 14 07 2003 Copyright 2010 Microener Firmware 1 0X Pag 20 di 24 24 OVERALL DIMENSIONS View of Rear Terminal Connection PANEL CUT OUT 113x142 LxH ...

Страница 21: ...IM30 CV Doc N MO 0150 ING Rev 1 Date 14 07 2003 Copyright 2010 Microener Firmware 1 0X Pag 21 di 24 21 TIME CURRENT TU0298 R2 ...

Страница 22: ...zontal position of the screws driver mark Draw out the PCB by pulling on the handle 22 2 PLUG IN Rotate clockwise the screws and in the horizontal position of the screws driver mark Slide in the card on the rails provided inside the enclosure Plug in the card completely and by pressing the handle to the closed position Rotate anticlockwise the screws and with the mark in the vertical position lock...

Страница 23: ... 18 19 19 UdxxxUn 6 uxxxx Uox xxV IAxxxxA IBxxxxA ICxxxxA IoxxxxIn Udx xxV SAxxxxA SBxxxxA SCxxxxA Sdx xxUn IAxx xIn IBxx xIn ICxx xIn Udx xxUn Ioxx xIn F OL xx Fn xx Hz UnxxxV OLxxxxIn tOLxxxxs OHxxxxIn tOHxxxxm F IL xx ILxxxxIn tILxxxxs IHxxxxIn tIHxxxxm ULxxxxUn tULxxxxs UHxxxxUn tUHxxxxm F UL xx I xxxxIn tI xxxxs tRI xxxm UcxxxxUn c xxx tBFxxxxs NodAdxxx InxxxxAp IL xxxx tIL xxxx IH xxxx tIH x...

Страница 24: ...h set unbalance element 0 1 300 s 1 I Trip level of undercurrent element Dis 0 10 1 0 In 0 1 tI Trip time delay of the undercurrent element 1 0 99 9 s 1 tRI Wait time for the reenergization of the capacitors Dis 0 5 100 m 5 Uc Unbalance compensation level 0 00 0 2 Un 00 c Uo IA phase displacement 0 359 0 B14 C B status monitoring input enabled disabled En Dis Dis tBF Max reset time delay of the in...

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