why a diode bridge is provided in vcb control circuit ?
Answer Posted / girish
In VCB spring charging motor will be a DC one, but control
supply is taken from 230 AC, same will be fed to Diode
bridge and then the rectified 110 Volts DC is fed to the
spring charging motor
| Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?
how brushed dc motor operating ?
I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME
Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
why the voltage and current in a long transmission line are called travelling wave?
what is the role of energy meter in distribution system ?
i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection
Why 11kv to be generated in generation station
Diagram on interconnectivity of 11kv transformer with RMU (i.e, one incoming and two outgoing or two incoming and one outgoing)
if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?
how can maintaince the acb contactor moveing and fixing kit
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
Why are iron cores in transformers made laminated?
what is the range of maximum DOL and SDS can be use for pump and fan application
What is tranformer differtial?