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How Do You Select The Pickup Value Of A Relay? |
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Answer» The relay should allow NORMAL LOAD as WELL as a certain DEGREE of overload to be supplied. So the pickup value of the relay should be more than maximum load. At the same time, the relay should be sensitive enough to respond to the smallest fault. So, pickup value should be less than the smallest fault current. The relay should allow normal load as well as a certain degree of overload to be supplied. So the pickup value of the relay should be more than maximum load. At the same time, the relay should be sensitive enough to respond to the smallest fault. So, pickup value should be less than the smallest fault current. |
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