Silent Sentinel Ch 1 Flashcards

1
Q

Desirable characteristics of protective Relay System

A

Reliability, Selectivity, Speed

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2
Q

High Speed Relay

A

3-5 Cycle close/operation time

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3
Q

Why are Protective Relay Zones are overlapped

A

To avoid leaving unprotected areas

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4
Q

By convention, drawings show relays in what state?

A

Unenergized state

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5
Q

52Y

A

Circuit Breaker anti-pumping auxiliary

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