Answer / vikas

For power contactor you should select contactor depending
on load for which it going to be used and for control
purpose load is not major factor but selection of no. of
NO/NC contacts in contactor

I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

0 Answers  

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What is the d/f between DOL & star delta starter & automatic star delta starter?

23 Answers   ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro,

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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Why capacitor blocks DC current?

2 Answers  

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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What is meant by stator? What is meant by rotor?

0 Answers  

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The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is

0 Answers  

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What is meant by field loss in a DC motor?

1 Answers  

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What is the significance of vector grouping in Power Transformers??

3 Answers  

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Kindly Tell me name of the book for electrical estimation and costing ,calculation or web site to download

1 Answers   ABB,

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Explain using drawings what is reverse PID action w.r.t PID controllers.

0 Answers   L&T,

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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