what is cascade speed control device?and how this device
control the speed of motors?
No Answer is Posted For this Question
Be the First to Post Answer
what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)
why two contacts(in series) are using in closing circuit
In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
I have current, kva How can calculate kv?
Can we use HRC fuse inplace of semi conductor fuse ? What are difference between them?
Why ferranti effect occurred in leading p.f load?
how calculated Transformer losses.
if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?
Where the Dry type tranformers are used.
How much the fault level of 11 k.v.,22 k.v., 33 k.v. (in Maharashtra- M.S.E.D.C.L) for calculation of short circuit current & selection of h.t.cable.
how pt is using
why a diode bridge is provided in vcb control circuit ?