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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

HOW DISTANCE PROTECTION IS DONE IN EHV TRANSMISSION LINES? WHAT IS THE BASIC TECHNIQ OR FUNDA USED BEHIND THIS ? SPECIALLY EXPLAIN?IMPEDANCE METHOD.

 2 7498

WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

 1 4165

.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

 2 6491

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

 1 2390

what is meant by motor startup supervision & motor load jam protection ?

 1 6137

what is meant by trip circuit supervision & directional or non directional over current ?

 1 5915

what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

 1 5093

How to reduce power factor correction capacitors failure in an industrial environment with vsd and computers usage in the system

 2 4976

why plc need seprate earthing?

 2 12640

where any change in supply line due to the incipient faults in three phase induction motor

 2 5129

what is difference between fuse and breaker?

 6 10780

suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?

 2 6402

why are transformers rated in KVA and not in KW

 8 15084

why our power production in multiples of 11.

 2 5711

which relay is used on long transmission lines

 10 33375

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

22216 CC bearing

1894

What is the biggest misconception people have about AI?

177

I have applied for the post of Section Engineer. plz anyone send me the previous question paper. i did my engineering in Information Technology.

2101

What is the latest version of ibm db2?

1387

What are different types of constraints?

1015

what are your current financial and accounting projects? What is your role?

2946

can anyone plz send me some solved tickets regarding base customization ,lead mdmt and CIC .plz reply

2000

Who can give me Stracher Design for my plan For Coloum Position. Please call me 9921761702

2917

please send me last 3 years question & solution

2207

what are the uses of reference purchase organization?

346

What is pointer to pointer in c with example?

1211

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

2078

How YOU prepared for interview?

1164

what are the new rules of central excise ?

1994

plz send me sylyabus model quetion paper for drug inspector exam

2049