To prevent mal operation of differentially connected relay while energising a transformer, the relay restraining coil is biased with

Related MCQs

• In a biased differential relay the bias is defined as a ratio of
• Admittance relay is _______ relay.
• Which relay is used to detect and protect internal fault in a transformer ?
• Which one of the following relay has the capability of anticipating the possible major fault in a transformer ?
• The relay operating speed depends upon
• In order that current should flow without causing excessive heating or voltage drop, the relay contacts should
• Burden of a protective relay is the power
• A differential relay measures the vector difference between
• Overheating of relay contacts or contact born out is due to
• Interruption of large currents by relay requires