Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how i run d.c. moter with solar panel without use of battery?

1 2540

Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

3293

why all selected supply voltage are multiple of 11

Gamesa, Suzlon,

1 4477

If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2065

How to calculate Busbar Thickness for Different type of HT/LT panels

1 5795

How to select cable rating for HT/LT Panels

Alstom,

1 12222

What is notching in dc machine?

1513

what is the difference in between short time and continuous rating?

1 5624

There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

GMR,

1636

why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

GMR,

1 2288

Why not connect relay Y phase for over current and earth fault

HB,

1 3421

What is dynamo?How it works and what is the function of dynamo in a DG.

2093

why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

HCL,

1595

What is dynamo?How it works and what is the function of dynamo in a DG.

Amrapali,

3 11866

why we ht line cable size small rather than lt cable.

Aster Teleservices,

4 6863


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Un-Answered Questions { Electrical Engineering }

how dose servo motor works

1493


What happen when change order of CT in GIS feeder?

1186


what is meant by 2 within a star in a voltmeter dial?

1522


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

1678


why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1476






Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1454


How we select the vector group of 3phase power transformer?

1994


what is laser diodes?

737


from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

1722


Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1653


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

1588


how to select proper cable for ct wiring so that drop within the limit.

1465


3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

898


what are the principles of a booster converter?

1579


what is the difference between dry and wet type of 132kV terminations. which one is durable

1558