any earth foult trip the relay but in welding time not trip by earth foult2292
Explain Circuit Breaker Trip Characteristics in detail.
why tan delta test is carried out in the power transformer? which parameter are measure?1 3314
can we use IGBT as a AC-DC converting device in the applications?2 2664
placement paper samples of mspl company
What is meant by sotf,lbb,power swing,pole discrepency,auto reclose?1 5360
How to discharge the battery as quickly as possible ?1 2431
What is the difference between rated and maximum speed of 3phase induction motor.....? Can the motor speed exceeds the rated speed..?1 3215
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.4141
Why capacitor blocks DC current?2 1982
Why AC current leads voltage in capacitor and how?
What is the function of a capacitor in a ceiling fan?2 3717
Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?910
briefly explain principle of resistance welding
why we use condenser in the thermal power plant, althrough the same vapour will be again heated
How do you compute voltage drop and cable size over distance?
is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?
why current flow to the opposite direction of flow of electrons???????????
Define settling time.
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
What is PQA???Applications........
Difference between transition and diffusion capacitance
Why the symbol of register is "zig zag"
if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value
Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..
how do you choose the cable size as per amps rating & the voltage drop for the same.
What is the formula to calculate distribution transformer De-rating on iron losses basis
Vibromotor 252MV 1/4HP2P..what is mean by 252MV?