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.

1507

how is efficincy of the transformer is predermined

3 6317

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

1 7175

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 3666

how to prepare the technical test

RRB,

1661

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 8885

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,

1690

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.

1660

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

1541

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

1557

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

1626

How to improve fuel cell in a distribution system?

1558

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

2 3991

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

1693

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

Reliance,

5 23973


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Un-Answered Questions { Electrical Engineering }

How it can worked plc based electrical system And which type of software using.

1711


How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?

1708


why using transformer and thyristor switch in 3 phase apfc panel

2433


when we have to purchase the transformer by own i.e how much load will preferred HT connection?

1236


Why line VTG = √3 phase VTG in star? How?

1223






Pl. brief about break-down maintenance of machine tool.

1415


Where is servomechanism used?

692


What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1411


5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

1737


solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1397


what is arc flash and what are the hazards involved

1713


What does the a,b,c of 95a,95b,95c relays denotes?

2176


A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

2070


hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

2434


How to know vacuum in vacuum cylinder of breaker in working condition

1543