Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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How to calulate the NGR resistance ?

1 Answers   L&T,

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what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

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The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is

0 Answers  

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Why colled 440V to 3-phase supply.

0 Answers  

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MCCB 400 Amps 50KA 430Volt AC What is mean by 50KA

16 Answers  

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1) Why distributiion system decided 11 kv, 33 kv, 66 kv, 132 kv, 220 kv, 400 kv, 2) In 3 Phase line terminal of capacitor, why used for power factor improvement. 3) Why used rating KVA in transformer?

1 Answers  

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what is humming AC solenoid

2 Answers   Seagate,

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What is the scale analysis for condensor of HVAC system

3 Answers  

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what is the difference between surge arrestor and lightning arrestor ?

6 Answers  

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what is the meaning of 1250 KVA Trasformer

2 Answers  

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