Series reactor question
Series reactor question
(OP)
I knew this last week, but I have had people telling me other things, and I need a voice of reason to get me back on the right answer.
I proposed a high impedance differential for protection of a series reactor.
I have since had people telling me that I need a low impedance differential to handle in-rush. I don't see that there is any in-rush as there is only about 30 feet between the breakers, and not that much capacitance. Also there is no ground connection, not even a PT proposed, so I don't see it there.
I don't think I am missing anything, or am I?
It should have no impact from what is on either side of the reactor, but is outside the differential zone. Over head line, underground line, should make no difference.
It is not helping that we are also installing a shunt reactor at a different substation.
I proposed a high impedance differential for protection of a series reactor.
I have since had people telling me that I need a low impedance differential to handle in-rush. I don't see that there is any in-rush as there is only about 30 feet between the breakers, and not that much capacitance. Also there is no ground connection, not even a PT proposed, so I don't see it there.
I don't think I am missing anything, or am I?
It should have no impact from what is on either side of the reactor, but is outside the differential zone. Over head line, underground line, should make no difference.
It is not helping that we are also installing a shunt reactor at a different substation.
RE: Series reactor question
The line protection covers series reactor as well and I don't see need for separate protection for the reactor itself, other than its own temperature protection and Bucholtz protection.
RE: Series reactor question
RE: Series reactor question
No oil relay, or temperature dials.
It is to be used to change line flows, and force more power over a higher voltage path some miles away.
RE: Series reactor question
RE: Series reactor question
I’ll see your silver lining and raise you two black clouds. - Protection Operations
RE: Series reactor question
RE: Series reactor question