Directional over current relays have two exciting coils connected across

Related MCQs

• Directional relays are based on flow of
• The domains of power system where directional over current relay is indispensable are
• Thermal overload relays are used to protect the motor against over current due to
• 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
• Inverse time current relays are used for the protection of
• Distance protection scheme is preferred over graded lime-lag over-current protection in HV and EHV lines because
• D.C. shunt relays are made of
• Protective relays are devices that detect abnormal conditions in electrical circuits by measuring
• To protect most of the electrical equipment handling low power, the types of relays used are