Un-Answered Questions { Electrical Engineering }

how to revers the direction of single phase motor

472


How much voltage we need to apply in 33kv cable during hipot test of cable

404


An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

721


Why GRR starts from 60% of motor speed why not less than 60%?

740


if sf6 gas low in gis what will happen

380


How to test lightning Arrester?

400


During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2031


Why need 3phase machine double earthing?

1329


How to calculate Number of Earthing Pits....???

1115


why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

1112


how to calculate units consumption for a 12 hp motor /hr.

1037


what is the best transformer oil breakdown voltage?

720


what is circuit breaker in transfomer and where it used

729


DG cranking voltage?

455