In
the case of transmission line protection, over current relay is used
Only
up to 50 kV
Only
up to 1100 kV
Only
up to 110 kV
Only
up to 220 kV
Only
up to 50 kV
In
the case of transmission line protection over current relay is used only upto
to 50 kV. A over current relay is a type of protective relay which operates
when the load current exceeds a pickup value.
Hence,
the correct option is (A).
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