How to test lightning Arrester?

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

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WHAT TYPES OF OIL(STRUCTURE) ARE USED IN POWER TRANSFORMER INSULATION?

4 Answers  

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what is advantage in open delta connection?

20 Answers  

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how to find the ballast lost from the actual wattage? for example i am going to buy decorative type 2x36watts fluorescent light fitting for this lamp how to find the ballast lost? is there any formula?

2 Answers   MEIL,

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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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What will be the excat cable specification in Sq MM...please find the details below.... Induction Motor HP:55 Amps:70(starting Amps),45(Running Amps). Volts:415

1 Answers  

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what is the lightning arrester rating for 3.3kv system voltage

1 Answers  

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Who is reputed manufacturer of TNC switch for ACB in India ?

3 Answers  

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What are the essential characteristics of signal flow graphs?

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What is the high series capacitance winding on high voltage power transformer ?

0 Answers  

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