what are the advantages of Horizontal isolation breakers v/s vertical isolation breakers in medium voltage switchgear class.

1 Answers   NNN,

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What is harmonics. How does it get generated and means to arrest harmonics

8 Answers   Airtel,

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if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

0 Answers  

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anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

0 Answers  

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What is the diffrece between ACB & MCCB

8 Answers  

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how can we avoid magnetostriction in transformer?describe the suitable methods.

3 Answers   Bhel,

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can we start mulitple 3 phase induction motors with common starter?

1 Answers  

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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers   AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

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List out the the types of Mounting Light fixture?

0 Answers   HLL,

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what is the difference between energy efficient and high efficiency motors

2 Answers  

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how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

0 Answers  

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if 50hz transformer is required to be run on 50% frequency what needs to be done???????????

6 Answers   century,

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