What is the function of Antipumping Relay and Lockout Relay?
Answer Posted / avdhesh
Antipumping Relay : It is generaly used in series of
closing coil of breaker. The function is to cut off the
supply of closing coil immediately after closing of
breaker. This is required as coil is not designed for
continous rating.
Lockout relay : This is also used in closing ckt of
breaker. This is basicaly latched relay which inihibit the
closing of breaker for defined time if relay is operated.
Lockout relay can be self reset or manual reset (choice)
after definite time.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is the numerical quantity of sqcm?
How to perform a DC resistance test In Alternator and their proceduces?
any idea abt REVERSE METERING concept.........?
What is the difference between vector surge relay (78) and Pole slip relay (98G)
What are all present producing cost of Per KWH of various Fuel?
What is Phase margin?
How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?
Why power factor should not be in leading (capacitive) mode of any load.
How many types of circuit loads are there in a common electrical circuit?
What will happen if the voltage in my house drops from 220V to any lower voltage?
in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.
What is the estimated total hydropower potential of india?
in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)
Can any body tell me the different types of LT cables & their application.
Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?