Cooper Low Impedance Bus Differential Relay M-LIB3 Manual de Instruções

Protective RelaysSALES AIDM-LIB3 Low Impedance Bus Differential Relay S150-34-1October 1999  1999 Cooper Industries, Inc. • New Issue. 1MODULAR LOW I

M-LIB3 Low Impedance Bus Differential Relay102.6 Technical Dataq Standards: IEC 255, 1000, CEq Rated Frequency: 50/60 Hzq Rated input current: 1 A

S150-34-1113 APPARATUS CONFIGURATIONThe M-LIB3 modular protection apparatus is combined according to the configuration of the protected busbar System

M-LIB3 Low Impedance Bus Differential Relay123.1 SINGLE-LINE DIAGRAMSINGLE-LINEDIAGRAM

S150-34-1133.2 Application exampleAs an example a double busbar system with two zones 10 feeders and one bus coupler is considered:

M-LIB3 Low Impedance Bus Differential Relay14

S150-34-1154 FEEDER INPUT MODULE M-BF3M-BF3 is a 51mm wide draw-out modular unit to be plug-in into the F/C rackpanel that can house up to 7 modules

M-LIB3 Low Impedance Bus Differential Relay16Each of the 7 bays of the F/C panel can accept either one module M-BF3 or one module M-BC3q Current inpu

S150-34-1174.1 WIRING DIAGRAM M-BF3 (SCE1577)

M-LIB3 Low Impedance Bus Differential Relay185 BUS COUPLER INPUT MODULE M-BC3M-BC3 is a 51mm wide draw-out modular unit to be plug-in into the F/C

S150-34-119Each of the 7 bays of the F/C panel can accept either one module M-BF3 or one module M-BC3q Current input burden (each module) :In = 1A :

M-LIB3 Low Impedance Bus Differential Relay2INDEX1 General utilization and commissioning directions_________________________________________________

M-LIB3 Low Impedance Bus Differential Relay205.1 WIRING DIAGRAM M-BC3 (SCE1578)

S150-34-1216 M-LID3DIGITALLOW IMPEDANCEDIFFERENTIALPROTECTION RELAYTYPEM-LID3LOW IMPEDANCEBIASED DIFFERENTIALRELAY TYPEM-LID3ENTER/RESETMODE SELECT+-

M-LIB3 Low Impedance Bus Differential Relay226.1 GENERAL CHARACTERISTICCurrents from the CTs of the Feeders connected to each protected zone are conv

S150-34-123q The signal from CT saturation detectors shunts the measurement for a time proportional to the saturation.This strongly contributes to st

M-LIB3 Low Impedance Bus Differential Relay24To compensate the differential current produced by CT’s error or saturation, the actual minimum operation

S150-34-1256.5 CONTROLS AND MEASUREMENTSFive key buttons allow for local management of all of the relay's functions.An 8-digit high brightness a

M-LIB3 Low Impedance Bus Differential Relay266.6 SIGNALIZATIONSEight signal LEDs (normally off) are provided:a) Red LEDdA>q Flashing when IdA >

S150-34-1276.7 OUTPUT RELAYSFive output relays are available (R1, R2, R3, R4, R5)q The relays R1,R2,R3,R4 are normally de-energized (energized on tr

M-LIB3 Low Impedance Bus Differential Relay286.11 TESTBesides the normal "WATCHDOG" and "POWERFAIL" functions, a comprehensive pro

S150-34-1296.13 READING OF MEASUREMENTS AND RECORDED PARAMETERSEnter the MODE "MEASURE", SELECT the menus "ACT.MEAS"-"MAX VA

S150-34-13GENERAL UTILIZATION AND COMMISSIONING DIRECTIONSAlways make reference to the specific description of the product and to theManufacturer&apos

M-LIB3 Low Impedance Bus Differential Relay306.14 READING OF PROGRAMMED SETTINGS AND RELAY'S CONFIGURATIONEnter the mode "SET DISP", se

S150-34-1316.15.2 PROGRAMMING THE CONFIGURATION OF OUTPUT RELAYSMode PROG menu F→RELAY (Production standard settings here under shown).The key &quo

M-LIB3 Low Impedance Bus Differential Relay326.16 MANUAL AND AUTOMATIC TEST OPERATION6.16.1 Mode "TESTPROG" subprogram “W/O TRIP"Operat

S150-34-1336.18 CLOCK AND CALENDARThe unit features a built in clock calendar with Years, Months, Days, Hours, Minutes, Seconds, andTenths of seconds

M-LIB3 Low Impedance Bus Differential Relay346.19 WIRNG DIAGRAM M-LID3 (SCE1579)

S150-34-1356.20 ELECTRICAL CHARACTERISTICSq REFERENCE STANDARDS IEC 60255 - EN50263 - CE Directive - EN/IEC61000 - IEEE C37q Dielect

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M-LIB3 Low Impedance Bus Differential Relay4a. Before removing a module, ensure that you are at the same electrostatic potential as theequipment by to

S150-34-15GENERAL CHARACTERISTICS AND OPERATION1.12 Modular Low Impedance Bus Bar Protection M-LIB3The M-LIB system is constituted of a number of mod

M-LIB3 Low Impedance Bus Differential Relay61.14.2 M-BC3 = Bus coupler / sectionalizer module (SCE1578)Including :q sets of three auxiliary CTs : 1 s

S150-34-172.4 F/C Rack Panel19” 3U rack panel suitable to house up to seven plug-in modules type M-BF3 or M-BC3 includingback printed circuit board wi

M-LIB3 Low Impedance Bus Differential Relay82.5 ACCESSORIES2.5.1 CF1 – Cable with female plugFemale connector plug with multicore cable for connecti

S150-34-192.5.2 CFM – Interconnection cable with Male and Female plugsMulticore cable terminated with one male and one female connector plugs forinte