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Electrical Engineering Interview Questions

what will happen if we give a dc supply to a transformer.?

14961

how ti maintain the power factor in power generation

2545

what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.

7563

3 Core x 35 Sqmm Cable (How we measure 35Sqmm)

55631

How CT & PT ratings are decided for a 11KV or 33KV transmission line?

15873

what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

3242

how steam converted into electricity in power plant

4407

tell me about roaster switch .& what is the function in transmission & distribution?

1724

what is the function and use of cable differential protection relay?

1950

why frequency should be constant?

14349

how can we find CT coil not working ?

14056

What is a pulse transformer?? Can it be called as a dc transformer??

1490

In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?

2595

what happens to current , when voltage drops .?

20427

in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

969

Un-Answered Questions { Electrical Engineering }

In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

2334

what happened when we supply a dc current in dc motor?? can it worked properly?

1023

How i can decide that HVDC line is best for transmission.

1035

Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me

1036

What are the causes for the failures of sandwich type (Al) busducts?

995

What are stable systems?

193

What is size 00, 01, 1 etc., in HRC fuse types?

1290

What is Bolted fault?

1183

how to check regenerative load in drived motor

1285

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

1177

HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

1116

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

821

What happens when two positively charged material is placed together?

232

EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

953

What are the uses of stepper motor?

216