Reactance relay is preferred for phase fault on short transmission line.
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is Answer : For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is 0.707 lead ...
what is mean by short transmission line ? Answer : The transmission lines which have length less than 80 km is known as short transmission lines. ...
In which fault the maximum short circuit current occurs? Answer : In three phase bolted fault the maximum short circuit occurs. ...
If the % reactance upto the fault point is 20%, then the short circuit current will be Answer : If the % reactance upto the fault point is 20%, then the short circuit current will be 5 times the full load current ...
If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then (A) zero sequence currents are present on both sides of the transformer (B) ... side (D) zero sequence currents are present on the primary side but not on the secondary side Answer : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then zero sequence currents are absent on both sides of the transformer ...
50.5k questions
47.1k answers
240 comments
7.0k users
