Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Before given the connection to Alternator (pre- commissioning) which tests we will conduct

1 4328

Why we are designed only 11Kv and 6.6Kv Alternators, not 33Kv Alternators and Power Transmission side we are designed only 220kv, 120kv, 66kv, 33kv, 11kv, and 440volts, not 20kv, 50kv, 100kv.

2 7209

Why design 150Hz in Exciter

1 3281

In parallel operation time both NGR’s close or not close if both close what will happen

3264

How to design the NGR Resistance

1592

explain the Trip supervision circuit

NCC,

1650

Why in ESP Positive earthed

Sonhira,

2552

How Earthing is prevents shock?Explain

4 5735

Why the resistance grounding (NGR) is better than Solid grounding?

5 11594

How to size the Neutral grounding resistor?

1 3499

how the earhing is done on ship and airplane.

2 4097

how to save the power in company?

1558

advantages & Disadvantages of Solar power system?

2 3727

Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

1495

why motors are rated in hp?

3 6344


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Un-Answered Questions { Electrical Engineering }

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1366


where reactive power is used

1547


how to define tell me about self

1503


what is ps impedance test

1649


how can check the resistance of battery contact?

1764






how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

574


During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2017


What are the limitations of Kirchoff's laws?

1112


how we can calculate 2 phase welding transformer rating or total power?

1394


Which is the largest hydropower station in the world?

605


If there is major % of Voltage harmonics in the system, how can it be control or reduced?

1553


Explain difference between stand by earth fault and residual earth fault protection?

1518


what will happen when the dc supply is given to the capacitor?

997


how to identify vector group of three phase transformer by voltage method?

1142


what is draiv work

1431