What are the types of lighning arrestor protection system? how to choose that according to load?

2 Answers   SPL,

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How wti of transformer works?

5 Answers   Vedanta,

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what are tpes of insulaors& its uses

1 Answers   ABC,

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How much current can 11KV line carry? What are the formulae used to calculate current across both side of transformer? Moreover I need to know can I connect 33KV line with transformer of 1600KVA? Details are: V=415, Pf= .9

3 Answers  

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what is the principal of ceiling fan and how it will rotates? what is the magnetic momentum produces inside the fan?

1 Answers  

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what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

4 Answers   Bhel,

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1. What is the difference between ac induction motor and ac synchronous motor?

11 Answers  

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what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 Answers  

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what is differnce between oil transformer & dry type transformer ???????????

2 Answers  

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waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

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CAn any one can tell me what is the operation of ceiling fan and how it will start

2 Answers  

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internally connection of photvoltic module

0 Answers  

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