Reverse power relay

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Jsw123

Joined Jun 20, 2009
46
I am trying to protect two 3 phase synchroneus, brushless generators running in parallel from reverse power if one engine, generator, or field winding/regulator fails.(These are not in parallel with grid but with eachother.) I found two reverse KVAR relays for cheap but havn't been able to find used reverse power relays.I am trying to find a way to use the reverse KVAR relays.


The generators are 87 amp, Power Factor 0.8, 120/208Y,25KW

- if I use the reverse KVAR relays would could I calculate maximum reverse reactive power to be 20% of rated amperage and size current transformer accordingly?

- Would this work regardless of whether the fault occurs when there is resistive, reactive, or no current on the loads?


The Relays I am looking at is a wilmar 720TD-7-X. What I was originally hoping to use was a 720TD series. (The X stands for reverse reactive power.)
 
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