2) A generator having a rated current equal to 1000A is to be protected by a circulating current differential relay using a stabilizing relay. The through fault stability is required up to 10 times full load current. If the voltage across the relay is 25 V during fault, determine the required value of stabilizing resistance (consider stability factor = 3). The relay picks up at 0.1A and has a resistive burden of 50 ohms. %3D

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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2) A generator having a rated current
equal to 1000A is to be protected by a circulating
current differential relay using a stabilizing relay.
The through fault stability is required up to 10
times full load current. If the voltage across the
relay is 25 V during fault, determine the required
value of stabilizing resistance (consider stability
factor = 3). The relay picks up at 0.1A and has a
resistive burden of 50 ohms.
200 ohms
67 ohms
134 ohms
None of the above
Transcribed Image Text:2) A generator having a rated current equal to 1000A is to be protected by a circulating current differential relay using a stabilizing relay. The through fault stability is required up to 10 times full load current. If the voltage across the relay is 25 V during fault, determine the required value of stabilizing resistance (consider stability factor = 3). The relay picks up at 0.1A and has a resistive burden of 50 ohms. 200 ohms 67 ohms 134 ohms None of the above
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