Directional relays are based on flow of

Related MCQs

• Directional over current relays have two exciting coils connected across
• 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
• 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
• Discrimination between main and back up protection is provided by the use of relays which are
• relays are used for phase faults on long line.
• Distance relays are generally
• The single phasing relays are used for the protection of