what is the function of anti-pumping in circuit breaker?

Answer Posted / chirag

when breaker is close at one time by close push button,the
anti pumping contactor prevent re close the breaker by
close push button after if it already close.

Is This Answer Correct ?    75 Yes 23 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to operate and maintenance of 1500 kva diesel generator set

1350


PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

1959


A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

2083


What is the difference between line drop and percentage line drop?

1075


How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

1126






1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1544


What is a commutator?

608


What does the term power factor shows?

603


why tertiary winding is used in transformer with diagram?

1790


What is principle of Floroscent tube 36watt.

1578


what is the clear formula to calculate cable size for a load

1481


in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1414


DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1518


What is knee point voltage?

678


raleigh method

1648