what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

1 Answers  

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why transformers rating are in KVA

5 Answers  

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what is different between neutral and earth?

4 Answers  

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Why generator field rheostat is set to maximum position and motor field rheostat is set to minimum?

5 Answers   Bhel, College School Exams Tests, TCS, Texas,

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which network topology offers the greatest level of tolerance?

0 Answers  

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What Should I Know about Metering, Switchgear and Panels?

2 Answers  

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sir What is the different bet'n "Active & passive" sensors

3 Answers   Kirloskar,

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What is Mvar?how significant is in electrical energy transmission?

2 Answers   Areva,

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How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

0 Answers   npcc,

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how to find total current when kva is 30.4 given ? should we use root 3 (1.732) in the formula?

2 Answers  

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what is the benift of HT metering & LT metering

1 Answers  

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What is master trip relay? How does it work?

1 Answers  

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