Answer / shyamal h. mandirwala

Yes it is.p=VI as V decreases ,P decreases.However some
ballasts might not pick up if voltage is very less.

Answer / saad

thats not benefitial bz when voltage decreases current
increase

Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

0 Answers  

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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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what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

0 Answers   Faurecia,

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what is nuetral grounding

2 Answers  

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How does a television work?

0 Answers   Siemens,

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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what is the function of short circuit maintenance ct and droop ct.

1 Answers   L&T,

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who is make controlling in the reactive power that genarted in AS genrator(the exitaion currnt or exitation voltge)

2 Answers  

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how to calculate fault level?

0 Answers   Mylan,

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what is meant by dedicated earthing?

1 Answers  

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in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

2 Answers   Shell,

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WHY WE USE CABLE JUNCTION AFTER BETWEEN TANSMISSION LINE AND TRANSFORMER

1 Answers   L&T,

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