why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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Is it weather conditions make any problems to the electrical equipments and if yes means is it any precautions needed?

1 Answers   Hexaware,

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why overload relay is not tripped at time of starting of motor allthough staring current is too high?

5 Answers   TATA,

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how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

0 Answers  

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sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

0 Answers  

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how to match 0 -10V with 4 - 20mA

3 Answers  

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Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

0 Answers  

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Whta is earthing?What is the optimum value of Earth Pit?

2 Answers   Bharti,

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Why Neutral Earthing pits and body earthing is interconnected

3 Answers   Taj Group,

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why stay insulator is not used with stay wire for 11kv Lines. Whereas it is used for LT lines ?

2 Answers   Essar,

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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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in a induction motor if we put capacitor across it will the power factor of the motor will improve? if yes how

6 Answers   Reliance,

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