Why HT cable have only 3 core ?

10 Answers   Jindal, McDermott,

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What is servo motor? what is its purpose?

0 Answers  

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what curve and rateing would you use for a three phase 0.75kw motor?

0 Answers  

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what happens if the phase sequence of parrlel connected sys will changed & phase displacement

1 Answers  

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we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

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What do you mean by dependent and independent voltage sources?

0 Answers  

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define main transformer?

7 Answers  

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What are the advantages and disadvantages of the dc motors?

0 Answers  

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1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?

5 Answers  

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WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.

0 Answers  

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what will happen if i connect 12 volt battery with 24 volt battery charger.

0 Answers  

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