what is the function of anti-pumping in circuit breaker?
Answer Posted / sethar
The Anti pumping relay is provided with closing circuit of
Circuit Breaker, which prevents the repetitive closing
Command to the breaker. Actually closing coils are not designed for continuous operations, if you give constant commands this coil may
burnt. So to prevent this antipumping contactors are used.
Therefore anti-pumping coil used to by pass the repetitive closing command.It is used to save the closing coil.
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
how we decide scurt (disc) of insulator with respect to kv rating
what r PID controllers?why they r used?what is there purpose?plz Explain in detail
During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative
how much cable size required for 70 kilowatt load.
Connection diagram for KW meter and Kva meter
actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.
What is EMC filter in VVVF Drive ?
What is BusBar integrity test and how it is conducted?
What is the effect of positive feedback on stability of the system?
Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?
What is hipot test procedure?
Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .
what is the use of expulsition protective gap in 11Kv line.
What is 100% protection of generator? Why 100% is not used but 95% is generally used?
Define non-touching loop.