Answer Posted / abhishek

Copper wire conducts 1A/sqmm while Al wire conducts 1.2A/sqmm....Now 1.8A current is drawn by 1KW load..So for 45KW motor 80A is drawn....So 75sqmm of Copper cable & 65sqmm of Al cable will be reuired....

what is the purpose of using filters in a protective relaying scheme?

2253

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WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?

2184

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what is the purpose of high speed earth switch in gas insulated substat

2974

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I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

2148

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What is the armature mmf in a D.C machine?

1223

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Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1891

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1946

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1393

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1839

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difference between semiconductor & conductor & insulator?

2358

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1998

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how current is reverse from its normal direction during the fault?

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What is meant by reset level of the relay?

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What is the most accurate way of testing ELCB?ELCB is better than RCD?

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