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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the electrical engineer roles and responsibilities in chemical plant?

 1131

what is difference between line differential and transformer differential?

L&T,

1236

As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

NEPC,

1 1842

why cable i burning without tripping. how can protect led street lights

Cosma,

1022

why a single phase induction motor has poor power factor

 1165

why ht cable end termination don't have a gland?

Private,

2288

What is the relation between frequency and motor rpm?

 1331

why burdens of VTs is more than CTs?

 1342

what is the impedence

Al-Othman,

1 2027

what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

Voltamp,

1408

what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

 1246

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

 1062

what is the meaning of osr in transformer.

 1541

What is different between Circuit breaker and Isolater?

 1221

why genarator genarating voltage 11 KV?

 1314

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Un-Answered Questions { Electrical Engineering }

What is the significance of integral controller and derivative controller in a pid controller?

636

what are factors to be consider to design a HT & LT motor?

1815

Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m

2339

How to select the proper VSD to operate high inertial load

1275

what is the difference between skin effect

1724




how to control dc motor?

1418

what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

1607

Explain few advantages of electric traction system?

588

any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1211

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1303

Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

1581

explain with diagram how to protect transformers and substations from over current with help of CT's?

1502

what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

1654

Q: How to calculate Transformer losses , tell us by Formula.

1509

how technical is calculated in 11kv line and lt line

1462

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