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.

1475

how is efficincy of the transformer is predermined

3 6181

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

1 7120

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 3605

how to prepare the technical test

RRB,

1623

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 8759

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,

1659

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.

1634

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

1498

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

1533

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

1585

How to improve fuel cell in a distribution system?

1530

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

2 3930

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

1668

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

Reliance,

5 23854


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Un-Answered Questions { Electrical Engineering }

How many double suspension hardware fittings are required on a double circuit transmission tower?

1573


How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3195


what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

3451


what is the difference between neutral and earth

1562


george phenomenon of synchronous machine

6953






raleigh method

1652


specify the inbuilt protections in DG

1624


Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

1556


hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

1411


What is resistance reading of earth copper rod with grid and without grid?

659


it is possible to measurement of tension of slipring induction motor(SRIM)carbon brushes, any maesuring instruments are available in the markets.

1500


why we used dc supply for field in dg set

1934


it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

1746


What is the formula to calculate the no load current of a single & three phase induction motor

1773


what is positive , negative & zero equivalent system resistance

1434