what is the function of anti-pumping in circuit breaker?
Answer Posted / mostafa
suppose you close c.b and fault happen during closing (
temporary earhtg , breakdown ...) and you still press the
push botton the breaker will reclose in fault agian so
regard for this anti pumping used to prevent reclose
Is This Answer Correct ? | 66 Yes | 18 No |
Post New Answer View All Answers
What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.
what are symmetrical and non symmetrical components in electrical installation.
ROC converges if poles and zeros lie inside a. Origion b. Z=1
why does a dc machine has high efficiency while working as a generator than as a motor ..
12.5 tons a/c is their how much kva generator can recommend to the customer.
What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?
what are factors to be consider in electrical installation like load factor,diversity factor .....
Why cables and busbar both needed in LT Panels?
Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.
What are motor generator sets and explain the different ways the motor generator set can be used ?
WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.
How grounding is different than earthings?
I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
how to build a network which step down 415v to 1v rms