Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Comparative difference between 33Kv & 66KV for transmitting the load of 7 MW at a distance of 34 Km.

NHPC,

6 13538

APPLICATIONS OF SHUNT GENERATOR

Wipro,

1 10869

whats the advandage of PMG in alternator?

2 17823

what is the d/f b/w iverter & converter.

Indeco,

5 5994

how bucchos relay works in a transformer

Indeco,

8 10562

how generater works

4 4934

what are the main parts of UPS what is the function of that?

Apollo, HCL, Liebert, Royal Furnishers, Tech Mahindra,

23 109678

Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 9716

why do power factor in the three phase induction motor increases with the load ???.

Jindal,

3 12035

How to calculated capacitor rating both HT

Reliance,

10 22759

How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

1855

Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

OPS,

3835

Dear All please ive me ur ideas... What is the major diff between cu conductors and Al conductors ?

MX Technology,

3 4756

hoe to select the cable size in sq mm for certain load?

TCS,

5 8758

how to select DG set for certain load?

ACC,

7 21684


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Un-Answered Questions { Electrical Engineering }

Define filter?

638


give me atleast four differences between circuit and network

1707


how does WTI work ?

1514


Define demand factor?

648


will there be any problem by recovering slip from single phase induction motors?

1420






what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

1652


what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?

1596


What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

3033


Testing procedure of DG alternator stability test

927


List examples of current sources?

610


Why High voltage are generate noise ?

945


Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

1512


What are the basic components of the feedback control system?

605


High speed earth switch operation with diagram

1871


WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

3520