Protective relays are devices that detect abnormal conditions in electrical circuits by measuring

Related MCQs

• Protective relays can be designed to respond to
• Phase comparators in case of static relays and electro-mechanical relays normally are
• To protect most of the electrical equipment handling low power, the types of relays used are
• An efficient and a well designed protective relaying should have
• Burden of a protective relay is the power
• Relays can be designed to respond to changes in
• Overload relays are of…… type.
• Thermal overload relays are used to protect the motor against over current due to
• D.C. shunt relays are made of
• Directional relays are based on flow of