Electrical Engineering Interview Questions
Questions Answers Views Company eMail

will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 1277

what is diff b/w electrical & electronics ?

Bhel, UltraTech,

6 3921

what is the formula to convert from KVAr to current?

Halcrow International Partnership,

1 1959

What is auto reclose system in Circuit breakers

1 1633

1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?

1 2369

hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 1317

why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

3 10818

What is the function of semicon in 33kv ht cable ?

Finolex, Denson,

4 8362

what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

Finolex,

510

in dc transmission the frequency pi is zero, then how it will transmit communication signal?

1 1241

time constant of RC series circuit?

DVC,

2 1365

In PT the coil is wound on?

DVC,

3 1727

galloping in transmission line is due to

DVC,

2 1534

aeroline vibration is present

DVC,

1 1126

What is the importance of counter based plan & how is it scheduled?

TATA,

403


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Un-Answered Questions { Electrical Engineering }

what is 3rd Harmonics? how it is generated in alternator

5074


1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

115


why the power factor of the induction motor is low?

259


what are doing the duall connetion in tree phase 10hp or etc motor with circuit diagram

323


What is Auto Mains Failure Panel & Auto Synchronizing Panel

279


what is the difference between vector scale and vector diagram?

1845


how to commissioning the genset with amf panel?

724


How do we calculate the maximum amount of current in a 300 SQ.MM cable ?

356


Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

493


how to calculate current and voltage in a same circuit?

465


Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

437


if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

408


Why ground terminal is used in pot meter 10k ohms

365


can the measured percentage error during calibration of single phase energy meter be negative?

89


Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

441