Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is called star connection and delta connection also purpose of this connections?

Siemens,

3 9370

what is exiter winding,stator winding,avr?how it will work?

Siemens,

1 3881

how to make neutral to ground voltage less than 5v? my house is under the high voltage transmission line so,proper grounding using rod salt n coal doesnt help me..so wat i do as i cant operate my computer ..this high voltage cause great problem to the motherboard i already two times replaced it.in my house voltage is coming near to 25 v between ground and neutral.plz kindly post ur answer to my email id manish77777@gmail.com ..

3 11398

What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

1526

why we used servo motor insted of inducation motor?

1 3386

what is IP 55 & IP 54 ?

1 5186

why we used servo motor insted of inducation motor?

1 3462

what is mind in cable

BARC,

1563

what is different between IP55,IP54 and IP66?

ABB, Global Industries,

2 55551

which technique servo motor tested o.k or faulty ?

ABB,

1 3815

Please explain me abt PQ diagaram in the power sector.

1912

Pls explain about vfd control?Where it is used, Give some example?

Siemens,

3 5609

what is the design voltage for 6.6KV 2000 KVAR HT capacitor?

1 3514

What is required of exietation to the alternater.

4 5947

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

L&T,

1768


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Un-Answered Questions { Electrical Engineering }

What is pi controller?

654


A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1509


What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1421


How to calculate cable size by using load.?? Any formula...

895


Whether power factor should be high or low? Why?

648






Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1458


Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.

1698


what is the AC Plant and how can do the work with parts and picture tell us 150 Tr

1538


Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?

2527


advantage and disadvantage of team work?

1252


I completed my BE EEE degree 2006 .... which license should i apply .... ?????

1167


what is difference between cpp electrical system and refinery electrical system

1730


WHAT IS MEANT BY DERATING OF THYRISTOR?

2448


Leakage current,un balance current which relay using for high voltage transmission?

1624


How to calculate loses in transformer of 160 KVA ?

1220