what is the difference between the 94 lockout relay and 86
lock out relay. I have noticed that the 94 lockout relay is
activated when the distance realy is activated and 86 is
activated when the 87T differential is activated. but why
can't the same lockouts be used for both the protection
schemes
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Answer Posted / gtmanikandan
86 lock out relay is hand reset used for mechanical
protection (permanent fault) & 94 lockout relay is self
reset used for tranisent fault (temprovery fault condition)
this is major different between 86 and 96 lockout relay
| Is This Answer Correct ? | 39 Yes | 21 No |
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