Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

Electrical Engineering Interview Questions

When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.

4048

What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

1368

two way ckt diagram can be drawn by how many ways? give diagram

1001

AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

3751

1101

neutral,ground & earth different b/w

3597

can we use 400w coke instead of 250w choke in 250w fittings

3426

If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

4029

I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?

ABB,

6812

what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

1243

in india ac frequency is 50hz, but in foreign countries it is 60hz,whwt is the reason

SVIT,

12534

why neutral should connect to earth in delta-star type transformer

6828

Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

43228

why solinoid coil used in tripping rely?and why not other type coil?

1587

How to use a insulation resistance tester on a three phase electric motor?

4753

Un-Answered Questions { Electrical Engineering }

what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

1050

What is the practical way to calculate the cable size for known ampere load?

531

Define thermal resistance in the context of power amplifier.

218

DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

1157

which VFD is better ( LT or HT)

1201

how you taken aotitude test

1560

Where servomechanism is used?

238

Define the three phase formula fuse.

980

How stabilizer works??

1206

State nortonâ€™s theorem?

282

does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

1046

why impudance relay used for medium transmission power system? why not others?

444

What is a system?

251

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1104

Yazaki india pvt ltd interview questions qurey related

68