why we commonly use delta star winding in power and distribution transformers

7 Answers  

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difference between a four point starter and three point starter

9 Answers  

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what is the working principle of electrical motors?

4 Answers  

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what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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how mass curve differs from hydrograph.

0 Answers  

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7. Why AC motors, AC bulbs etc... are donot operated by DC signals? and Why DC motors, DC bulbs etc... are donot operated by AC signals?

2 Answers   Bhel,

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What is the meaning, function and application of OLTC?

3 Answers   Home,

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WHY IS RESTRICTED EARTH FUALT PROTECTION NEEDED?? WHY CANT DEIFFERENTIAL PROTECTION SUFFICE???

14 Answers  

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how pt is using

0 Answers  

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The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

2 Answers  

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What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,

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what is the difference between relay and a contactor.

5 Answers   Siemens,

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