What happen in ups if phase reverse?

2288

Explain different types of d.c motors? Give their applications

1127

How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

2243

in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

1926

Can you explain about Restricited earth fault protection scheme

1854

hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

1893

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2087

What is the maximum percentage voltage drop (vd%)for a motor control center

2011

if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

2030

What facility we get after CT secondary earthing and how?

2250

how to select the no. of brushes in a lap winding?

2190

ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

2362

why three phase capacitor takes unbalanced current in capacitor bank?

1494

what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

2033

how ceiling fan worked?

1914