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Answer Posted / nishad
I ask what are the parts of VCB?
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Explain mechanical rotational system?
1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks
HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.
Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?
while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?
Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??
stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate
what is settable hystersis protection? If any body knows plz kindly post the answer..
There are a trformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?
What is an automatic controller?
describe the Tranformer testing procedure
Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.
What is dc current source? Differentiate between ideal and non ideal current sources?
all details of DG UPS HVAC
Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?
