Electrical Engineering Interview Questions
Questions Answers Views Company eMail

whats the formula for convert KVAR to FARADS

2 7986

We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 2728

What is AVR in Generators and How is it working.

4 5561




is starting current of induction is high or stating current of ransformor is hign ,for the same rating

BARC,

12 6430

Why is our voltage always seems to be 3.3Kv,11Kv,66Kvetc.. why not 40Kv,39Kv,65Kv???

3 3561

could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 2064

could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 2017

what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?

2 1902




why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?

2 1988

what happen if we supply ac to the field of a alternator?

5 3070

how to calculate power consumption in slip ring motor at different step

ABB,

650

in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?

Areva,

2 3431

how the grounding[earting] is achieved on ships.

1 2376

1]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.

3 1577

how many units will 100 kvar capacitor consume for one day?

Philips,

2 4521


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Un-Answered Questions { Electrical Engineering }

Why 3 phase induction motor getting supply in body if one of it's phase is cut

222


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

555


What is meant by Load Encroachment in OHL Feeder Protection?

1853


what happens when you connect a.c and d.c supplies

376


in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

614


what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

335


how can we calculate the ratio of caustic soda and water in lrs.

2863


Can any body tell gulf interview question for experienced electrical engineer ?

462


Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

191


How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

564


What is inrush current? how can calculateit? what is the affect of it?

514


what is the id1 & id2 setting in differential protection relay of CSPC?

879


what are inductive and capacitive voltage transformers.what are their applications

432


ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

569


what ispositive, negative, zero sequence impedence?

495