Answer / k.prakashchandra

Energy stored in each battery = 12 x 200 WH ( VAH) ,total stored energy = 12 x 200 x 34 WH . Divide this by load in W to get ' Back up time' in hours (approx)

Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

2 Answers  

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electrical ques

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what is the chemical name and formula of refrigarent R-134a.

0 Answers   Blue Star,

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Dear sir,We have a 7.5hp motor,it was running smoothly and suddenly one winding is carring more current then others(r=6.5,y=6.3,b=10)..whts wrong with tis...?

5 Answers   Hindustan Motors,

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an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

1 Answers  

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single phase can run in PVC conduit. Three phase can also run in one PVC conduit. But two phase cannot run in one PVC conduit. WHY? reply plz....awaiting your answer.

8 Answers   L&T,

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What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

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What is the advantage of Neutral graunding transformer insted of Neutral graunding Resistance in generating station explain briefly.

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what the principle of sincroscope?how it works?when it needed?

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1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

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Tell me about Tesla.

1 Answers   Tata Power,

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How to perform a DC resistance test In Alternator and their proceduces?

0 Answers  

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