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Power Grid Electrical Engineering Interview Questions

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how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

1 6955

what is difference between differential protection and distance protection and how we calculate the sloop?

5 46320

What is the difference between "Earthing" and "Neutral"?

10 16687

What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 101780

how and where megger works?

9 37020

what is the difference between upper impedance and lower impedance distance relay?

3 11688

I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

1993

WHAT IS MVA RATING OF KOTHAGUDAM THERMAL STATION POWER TRANSFORMER?

2 7269

IN bateery size of positive is biger than negative .why?

8 12861

like the transformer another electrical static device which operate on same priencipal?

13 19793

What is GIS Substation and how it operate? where these type of substation installed?

8 35749

HOW many type of Circut Breaker in the world used in 400 kv substation?

14 25196

how we calculate the dick for a pole?

2234

What is the difference between Isolator annd Circuit Breaker.

21 79206

1.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain

5 14299

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Un-Answered Questions

What are xhtml files?

898

what is text? : Sql dba

1117

Can beneficiary claim the policy if the insured person is missing or disappeared for several years? : insurance sales

651

What are stubs and how do they function in a web logic cluster?

1088

What is a dbml?

956

Which us space shuttle exploded in midair?

823

What is the approximate cost of the corrosion penetration monitoring system(cpmp)?

998

What are internal variables?

1054

When do we use findelement() and findelements()?

1019

What is temp in java?

1061

How Apache Pig deals with the schema and schema-less data?

618

What is the function of this pointer?

1457

Why is c called c not d or e?

1146

How can we create an immutable class in java?

1123

Is null allowed in list?

902