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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what are the advantages of having high voltage in transmission lines?

5 5471

What Should be the rating of transformer used in 33KV substation?

3 12400

onan full form

5 4962

n1 =1000 n2 =?;v1 =200:v2 =400

APGenco,

1 2608

HOW MUCH CURRENT CAN CARRY A 50 kvar DELTA CAPACITOR BANK?

2 4077

what is function of rtu?

1 3050

hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

1107

how is the many rpm of acb charging motor ?

1 4127

why the transformers are rated in kv not kw?

L&T,

6 5898

why we grounding the neutral of a transformer?

GAS,

3 3599

Does human body can effect the electric shock when stand on Insulated material?

2 2979

why we create vaccume in transformer tank before oil filteration?

CG CoreEL,

3 4297

what is apparent poewr, reactive power, & active power?

1321

what is the difference between RTD & TERMO COUPLE?

1 4120

what is the difference b/w low voltage motors & medium voltage motors

1 3103


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Un-Answered Questions { Electrical Engineering }

I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?

1038


what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

1255


How to calculate no of EARTH PIT? Describe the formula as per IS standard?

1175


whatis the commertial spec. of distribution boards ?

1165


What is meant by full pitched winding?

242






what is the safty of poly phase tranformer?

1220


sir plz send some previous year questions of jspl.

1085


What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1064


how calculated Transformer losses.

1074


In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

679


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

1202


Why does amplifier gain reduce?

263


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

1339


We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

551


What is a slack bus?

218