Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the function of 1 phase preventer?

ABB, Electrical,

3 26077

How to calculate the slip ring induction motor rotor current and voltage.

Bhel,

1 25110

which sub is most horrible in four yr degree

2 4345

what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

Thermal Systems,

8045

We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

MSEB,

2273

What is the work of IGBT in ups?

2 9585

Why Ferranti effect is occoured in leading power factor load in a overhead transmission line?

1 5326

Why ferranti effect occurred in leading p.f load?

1 3927

What is VCC?

1 2981

why the transformer neutral give to the earth ?

Jindal, JLL,

2 4713

This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

2535

Why we are putting off the APFC(automatic power factor control) panel while the generator is running?

National Steel,

4 12030

WHICH TYPE OF TRANSFORMER IS USED IN POWER TRANSMISSION BASED ON TRANSFORMER CONNECTION ON PRIMARY AND SECONDARY SIDE

3 5867

Can We Apply DC POWER To Transformer???? And Why????

4 6666

how i caculate the cable size for power factor correction unit for example 300kvar

1 3553

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Un-Answered Questions { Electrical Engineering }

boiler is running in rankine cycle and deisel generator is....?

2106

What is zero of the system?

1155

How can we calculate the KVA rating of a Distribution transformer from its core details?

2134

Why can't we take NO LOAD TRIAL of motors having V1 mounting??

1990

We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

1726

Why r u using pf panel. what the uses

2056

What is the working principle of MIG welding? and its out put Voltage?

3400

ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6398

. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

2240

full form of electrical?

2782

what is difference between bus coupler and auto transfer switch

4271

we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1990

Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

2220

aternator every parts and its working

1681

Which type of motor is used in trains, what is the rating of supply used explain working principal?

1344

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