Does induction motor start with dc power supply????

4 Answers   Essar,

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Transformer type...??

1 Answers  

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How to test Power Transfomer vector group in the field?

3 Answers   Al-Yamama,

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what kinds of Transformer oil grade is better for power transformer ?

0 Answers   KSRM Steel Plant,

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Write the force balance equation of ideal dashpot element.

0 Answers  

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what is earth resistance? how to measured? and give values at power station and mcc area?

0 Answers   Essar,

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what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

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Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.

2 Answers   Shree Lingaa Polymer,

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1hp= how much rpm

0 Answers  

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Could anyone clarify my wondering. What is the difference between knee point voltage and saturation voltage of the CT. Is their any formula to calculate these values?

2 Answers  

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how ct burden,magnetising current,ratio and knee point voltage are related & derived

0 Answers   Dalkia, SCT,

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what is the principle of operation of tungstun bulb ??

0 Answers  

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