Discrimination between main and back up protection is provided by the use of relays which are

Related MCQs

• The inverse definite mean time relays are used for over current and earth fault protection of transformer against
• The inverse definite mean time relays are used for over current and earth fault protection of transformer against
• The single phasing relays are used for the protection of
• Inverse time current relays are used for the protection of
• For protection of parallel feeders fed from one end, the relays required are
• The single phasing relays are used for the protection of
• Differential relays are used for protection of
• Differential relays are used for protection of equipments against
• Distance protection scheme is preferred over graded lime-lag over-current protection in HV and EHV lines because
• A thermal protection switch provides protection against what?