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.

1460

how is efficincy of the transformer is predermined

3 6094

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

1 7090

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 3579

how to prepare the technical test

RRB,

1605

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 8682

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,

1643

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.

1617

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

1485

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

1523

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

1565

How to improve fuel cell in a distribution system?

1517

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

2 3907

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

1655

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

Reliance,

5 23797


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Un-Answered Questions { Electrical Engineering }

State the other types of Air Conditioners?

1486


The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s

2372


How to perform a DC resistance test In Alternator and their proceduces?

1058


How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

1802


i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

1557






how we do Vector group ,magnetic balance and tap changer test in Transformer?

2018


R=*ΒΆ l/a

1156


How to calculate multiplication factor in kva example 500kva ans pls ?

1371


how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?

3219


please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

1782


Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

1674


What are the common sources of energy?

616


what kelvin's law ?

1599


How to calculate the multiplying factor for energy meter with ct ratio given

1533


what is value of Jin transformer

1626