50/51N Stands for what ?
50/51N Stands for what ?
(OP)
Could someone advise about the protection relays symbols of the 11kV networks.I mean for example what 50/51N stands for.
Elecme
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RE: 50/51N Stands for what ?
A 50/51N relay can be set more sensitively than the same relay connected directly to phase current because it only senses zero sequence currents (i.e., unbalanced phase to neutral loads or ground faults).
RE: 50/51N Stands for what ?
Scroll down the thread, the device numbering Q and A appeared near the bottom of the thread.