Un-Answered Questions { Electrical Engineering }

how to revers the direction of single phase motor

445


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

373


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.

686


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

689


if sf6 gas low in gis what will happen

357


How to test lightning Arrester?

372


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?

2005


Why need 3phase machine double earthing?

1306


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

1083


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

1089


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

1013


what is the best transformer oil breakdown voltage?

694


what is circuit breaker in transfomer and where it used

710