Cooper Low Impedance Bus Differential Relay M-LIB3, Руководство по эксплуатации

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M-LIB3 Low Impedance Bus Differential Relay
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1.14.2 M-BC3 = Bus coupler / sectionalizer module (SCE1578)
Including :
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sets of three auxiliary CTs : 1 set for each side of the bus coupler.
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1 Bus coupler trip output.
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1 Bus Coupler trip input from Feeders’ Breaker Failure Relays
1.14.3 M-LID3 = Numerical biased protection relay
With the following features :
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Double circuit for Biased differential protection.
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Double circuit for unbiased differential protection.
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Double circuit for CT circuits supervision.
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Output relays for phase trip
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1 Supervision alarm relay
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1 Internal fault alarm relay
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1 Lock-out digital input
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1 Remote trigger input
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Synchronization digital input
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RS 485 communication Port
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Timed supervision alarm
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Timed discrepancy alarm