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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to model two generators into a single generator ? Eg. two generators connected to a bus, would like to model it as a single generator connected to a bus.

1300

how is efficincy of the transformer is predermined

3 5407

what is multiplying factor of a energy meter connected with a CT ratio of 600/5 and voltage at 415 volts.

1 6825

i need to connect fact device(any one from following upsc,sssc,svc,statcom and tcsc)in 14 bus system....by using MATLAB psat software....if i connect these fact devices,i will get some error as "virtual error"...i cnt rectify this error.if anybody know that how to work in psat,pls help me to rectify this error.... or send mail me to, viki0607@yahoo.co.in

1 3293

how to prepare the technical test

RRB,

1449

for a 132/33kv transformer secondary is star and is connected to NER. and from secondary a cable is running to 33kv swbd. since the cable is single core do i have to run neutral cable also to 33kv swbd.???

PowerTech,

5 8082

how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?

Bhel, Jai Balaji, Rashmi Group,

1436

What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

1467

Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

1327

The principle of switching circuits for different types of batteries in application of storage systems

1366

Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

1345

How to improve fuel cell in a distribution system?

1365

which one cable has a more resistance.A big or small

2 3501

what is the use of the puls transformer in UPS & how it works???????????

1499

What is the use of IGBT in UPS & its working??????????

Reliance,

5 23092


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Un-Answered Questions { Electrical Engineering }

how we calculate the withstansing current capacity of wires&cables?

1337


If we want to change a contactor of faulty one what are the conditions want to fullfil

1383


what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

1346


to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

1375


Classify milling machines.

489






i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

1450


dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

823


What is the operating principle of turbo-generator.

1567


State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

1265


for opening electrical shop, tips needed.

1171


hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

1134


what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

1398


What are the types of instrument transformer?

472


wish of these transformer uses oil?

1011


How does a battary stores charge in it? please explain in simple manner and in detail.thanks

1393