Answer / vineet yadav

to protect the land , and to avoid the stay of water and to avoid the grow of the grass

Answer / shiva

To avoid the rodent,snake movement and grass developing

Answer / prof. dr a s kandasmy

primarily it offers safety from step and touch potentials to the operating personnel while there is a short circuit in the system and the fault current flows back to its source.it also an impediment for the reptiles to crawl and climb on the equipment and also retains the moisture content of soil to some extend and there by the resistivity of the soil kept at low so as the fault current will flow to earth at ease.weed growth is also prevented.

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

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What is meant by rotor?

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while buying 30 kva on line ups for 1 phase ouput, we ave to calculate the number of batteries for 2 hours back up? how to calculate the ah rating and number of batteries

1 Answers  

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Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

3 Answers   Sanima Hydro Power,

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How can we calculate the KVA rating of a Distribution transformer from its core details?

0 Answers   ABB,

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10 hp motor ,7.5 kw ,960 rpm, full load current 15.5, delta connection so how much take current no load trial time. any formula please give..... second question :- what is different between brekar control wiring and motor starter control wiring

1 Answers   MSP,

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Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

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hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer

3 Answers   Hindalco, Piramal Healthcare,

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The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

0 Answers   Caterpillar,

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Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.

0 Answers   TATA,

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i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

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What is load staggering or load shifting in the context of power distribution?

1 Answers  

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