what is the formula to find Amp. for an 3 phase moter both if H.P. or if kW is known?

5 Answers   Uttam,

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

0 Answers  

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WHY IN WESTERN COUNTRIES THE ELECTRIC SHOCK IS VERY SLOW AS COMPARE TO INDIA.&IF ANY ONE HAVE CORRECT KNOWLEDGE THEN SEND OTHERWISE NOT

1 Answers  

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Difference between a pilot wire and a normal conductor?

0 Answers   United Arab Aluminum Company,

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why transformer core is eathed?

7 Answers   ECE,

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How do i calculate sizing of transformer on didstrubution load for high rise building.What should be MVA Rating of MV Panel feding by 122 kv.

2 Answers  

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IN bateery size of positive is biger than negative .why?

8 Answers   Power Grid,

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some meggers have three terminals. wat is the real function of the earth terminal?

2 Answers  

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What is electrical grounding?

0 Answers  

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Why use the vcb at high transmission system ? Why can’t use acb?

0 Answers  

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How isolater function when installed inelectrical 440V wiring

0 Answers  

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How can we measure the residual voltage in dc machines?

0 Answers   GPREC,

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