Earth Leakage Relay and Earth Fault Relay
Earth Leakage Relay and Earth Fault Relay
(OP)
What is the difference between Earth Leakage Relay and Earth Fault Relay? Are they the same? Another thing is the abbreviation LGR, is this refering to Earth Leakage Fault?I am reviewing the single line diagram of a plant and i am confused on the terminologies that i encounter. Any answer or suggestion will be appreciated.






RE: Earth Leakage Relay and Earth Fault Relay
The reason for the name change with us was many people think earth leakage relates to isulation failure, whereas earth fault is includes other conditions that could operate the relay.
It could also be the same here, but I would try and get some further details (eg schematic diagrams) to be sure.
RE: Earth Leakage Relay and Earth Fault Relay
I am not sure what "LGR" refers to. A quick Google search offered a couple of possibilities.
Loop-Gap Resonator
Light-Water Cooled, Graphite-Moderated Reactor
Perhaps if you shared the drawing, its context would shed light on its meaning.
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Cory Anderson
http://startco.ca/
RE: Earth Leakage Relay and Earth Fault Relay