What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 Answers  

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How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

2 Answers   Essar, Philips,

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I am an electrical engineer, I found variation in KWH between DG and EB for Same load for same duration, can any one help me why this variation arises?

1 Answers  

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how to calculate single phase motor efficiency ?

0 Answers   Bhel,

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why transformer rating in kva?

7 Answers  

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The objective of connecting a resistance and capacitance across gate circuit is to protect the SCR against

2 Answers  

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Full form of bdv test?

2 Answers   Hi Tech Transpower,

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no EB power DG is not starting?

6 Answers  

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How to measure size of cable on a given load

0 Answers   Green India Engineering Solutions,

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we have total 1000hp motors we paid 7 laks rupees how to reduce power bill

4 Answers  

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A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 Answers  

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What is ESP how its work &what is corona ? con insulater&drive insulater where it is used ? Any body says that pls

3 Answers   Travancore Titanium Products Ltd TTPL,

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