what & how to check the lightning arrester

0 Answers   ABC Telecom,

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how can we measure rotor current of a 3phase wound rotor induction motor connected to liquid resistance starter

1 Answers  

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1. Why a DC motor starter is called 3 point starter

21 Answers   ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,

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What is the function of semicon in 33kv ht cable ?

4 Answers   Denson, Finolex,

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How a ship getting grounded

2 Answers   Deltin Jaqk,

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Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com

0 Answers  

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please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ?????

1 Answers   GNFC,

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What is the function of a pressure Switch in a Substation?

2 Answers  

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A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

8 Answers   TCS,

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What is the typical power circuit configuration of a VVVF Drive ?

1 Answers  

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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what will happen if we use earthing inplace of neutral for domestic energy meter

5 Answers   Polyplex Corporation Limited,

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