Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1604

thyristor controlled APFC panel design parameter?

1741

what is the difference between megger and earth resister ??

HMPL,

1783

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

MSETCL Maharashtra State Electricity Transmission Co Ltd,

1823

Why is reating of t/f in kva but for inverter in kw ?

UPPCL,

3 4835

Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

1614

How to measure size of cable on a given load

Green India Engineering Solutions,

1785

How much load can take a 16 mm aluminum cable 3 phase

L&T, Sanga Energy,

1713

Why use in ht motore

ACB Group,

1648

how to calculate the size of the cable for a particular rating 3phase induction motor?

Godrej, Megatron Solutions,

1 2949

please give some hindalco placement papers for written exam

Hindalco,

1771

how to make a solar panel? why solar panel cell connected to serious?

1 2299

We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

SSPL,

2045

Wind mill

Suzlon,

1836

can we replace Dyn11 transformer to Yy0 transformer and what is the difference between the two type

Arab Contractors,

1 2738

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Un-Answered Questions { Electrical Engineering }

How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2216

Why we are going for converter transformers for DC drives application instead of distribution transformer?

1951

What is MS-EXCELL?

2187

when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1935

What is meaning of out of phase (making & breaking) capacity And how to calculate

2166

11 kV line deraction check by an Engineer.

1926

How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

2032

how could we calculate the no of outgoings from a 800 watt distribution board

1762

what is mean by restructuring power system?

2016

CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

1610

What is the use of iron core in a transformer?

1083

How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

1607

In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1988

What difference between ref protection and differential protection ?

1799

transformer phasor diagram under load explain it?

2127

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