Electrical Engineering Interview Questions
Questions Answers Views Company eMail

v/f drive basic princeple

2050

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

RRB,

2047

Can Dy11 and Dy1 vector group transformers be paralleled?

9255

ell me capacitor bank chossen formula.load in KW

3101

what is Dog conductor? wasp conductor? rabbit conductor? ant conductor?

16617

HOW TO CALCULATE SINGLE PHASE AMPERES IN 3 PHASE TRANSFORMER? GIVE AN EXAMPLE PLZZZ

3559

1sq mm dc powr cable can carry how much dc currnt

1538

What is AVR in Turbo generator in Thermal power plant?

22541

Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?

1623

In explosive and polluted environments which type of motors do we use?

NTPC,

6718

A 230V, 60W bulb when connected to 230v supply what current and power will consume, if same bulb is connected to 200v what purrent and power will consume?

7456

what is rated voltage?

3147

what does the word synchronous mean in 'synchronous machine'

4617

what are eddy currents

3797

if suplly 11kva its give 440volts then if suplly is given 10kva whats the volts given

4727

Un-Answered Questions { Electrical Engineering }

What is ideal IR values for ground and neutral.

1340

hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

1351

What is Harmonics how it is produced and what is the method to control the same

1815

why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2041

Give atleast 20 alternating current apparatus and devices.

1304

3ph motor running with unequal kw and different pf what are the reasons

1283

WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1481

What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1488

the typical output of a solar cell is........

1878

what is the current density of copper & alluminium.

1561

if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

1616

I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

1600

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1959

is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

1686

What is PQA???Applications........

1936