diff. between star, delta connection?

4 Answers  

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What is the purpose of SOTF being used inspite of distance Protection given?

7 Answers   Alstom,

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

0 Answers  

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Can we use MCCB with Auxiliary Contact in place of Contactor in a AMF System.

1 Answers   C&S, Farnek,

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Can any one help me how to set an overload set the range from 2.8A to 4A , rated motor current 22A, CT 60/5A

2 Answers  

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electrical engineering giving priority for insulators rather than conductors, why ?

5 Answers  

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which of the following elements is not present in stainless steel

0 Answers   LASA,

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how to find impedance , mutual indatnce in transmission lines

0 Answers   NTPC,

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Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC

14 Answers   Bhel, Engineers India, Engineers India Limited,

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Explain the power rating of a bulb, say 60W, what if the voltage changes

4 Answers  

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Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers  

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2 hp motar how many amps taken please show me the formula

4 Answers   Cable Wireless,

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