Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of 1 phase preventer?

ABB, Electrical,

3 24816

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

Bhel,

1 23810

which sub is most horrible in four yr degree

2 3341

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

Thermal Systems,

7457

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,

1707

What is the work of IGBT in ups?

2 8378

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

1 4627

Why ferranti effect occurred in leading p.f load?

1 3167

What is VCC?

1 2208

why the transformer neutral give to the earth ?

Jindal, JLL,

2 3629

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.

2056

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

National Steel,

4 10339

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

3 4628

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

4 5128

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

1 2848


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Un-Answered Questions { Electrical Engineering }

The simple way of finding the leakage quantity and % in compressed air distribution system

1237


If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

4009


How would you calculate power loss in a resistor?

673


what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

2800


what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1567






difference bewteen reverse current and alternating current

1719


In Power cable specification what is U0/U and Um.

3263


Tell me all plants load factors i.e which plant operating on which load?

1597


In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

2038


Explain what cmos is and its benefits?

690


What is the difference between a Root Locus plot and a Bode plot?

818


In motors how many types of cooling systems were used?

1618


What are the advantages of thermal power plant?

723


Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?

1000


What is the range of the stator resistance of 3 phase induction motor?

1486