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.

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How can maintain our H.T. motors used in cement plant. please send me procedure.

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What is lifting power for 1 wb/m2 and 1 A magnet?

0 Answers   Techno Labs,

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Advantage of LT panel vs HT panel ?

1 Answers   HCL,

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Which one is correct mVA or MVA. Whether both the units are same for the transformer

10 Answers   Areva,

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What is the difference btwn grounding and earthing?

11 Answers   HAL,

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What will happen if the field of synchronous generator is removed when it is in operation with no load?

3 Answers   HJ, UPPCL,

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what is power transformer?

1 Answers  

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In the diesel generator if there is an AVR (auto voltage regulator) gone faulty, in this condition is there any way to generate the voltage from the alternator? I need a brief explanation can you please help somebody

1 Answers   Vodafone,

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Transformer Secondary maximum current (max. load)

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what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

1 Answers  

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what is the value of voltage & current lightning during rainy season.

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