differential protection trip
differential protection trip
(OP)
hi..i have a situation here in my vessel..my 1 generator suddenly stop due to alarm " DIFFERENTIAL PROTECTION MAIN BREAKER CLOSE ..LIMIT 10% TIME 500ms"..i check the generator and found nothing..i changed some of the stuff like the differential relay board and the CT of the starpoint of the generator..but still this alarm is coming every time i parallel this gen to others..
thank you so much..
thank you so much..






RE: differential protection trip
RE: differential protection trip
RE: differential protection trip
RE: differential protection trip
RE: differential protection trip
RE: differential protection trip
Has the installation ever worked? If so, what happened when it stopped working?
Can you arrange to circulate a reasonable current in the main windings using a shorting link across the generator terminals and a vastly reduced field excitation? This would allow you to prove the scheme stability.
RE: differential protection trip