why a diode bridge is provided in vcb control circuit ?
Answer Posted / abhishek goyal
In CB mostly we have both option AC/DC SUPPLY because of
that we can use diode in circuit.
for spring charge motor we can feed both AC/DC supply (its a
Universal motor)
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
how freewheeling diode improves the powerfactor
Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.
Why can't we parallel Voltage transformer secondary circuits?
What is the previous name of Cox's Bazar
what are the tests comes under the type test, what tests comes under routine tests.
Where is servomechanism used?
How i can decide that HVDC line is best for transmission.
draw the block diagram of fire alarm?
Basic motor transformer generator
The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is
Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?
Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?
What is the function of the generator exciter?
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
Meaning of ingrace protection for motor.for ex IPXY