how can we select the rating of Load break switch that is connected to the primary protection of 200 kva 11kv/415v distribution transformer?? step by step calculated answr pls...thnk.u

2 Answers   Maruti Suzuki,

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SUPPOSE A CIRCUIT BREAKER HAS TRIPPED THE THE LINE WHEN A FAULT OCCUR ON IT.NOW WHEN THE FAULT HAS BEEN CLEARED, HOW THE CIRCUIT BREAKER WILL CLOSE AUTOMATICALLY NOT MANUALLY.

6 Answers   Bureau of Energy Efficiency, DVC,

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What is the formula to calculate the no load current of a single & three phase induction motor

0 Answers   HCL, Nokia,

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0 Answers   Maples,

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what is excitation/

0 Answers   ABB, Tata Steel Limited,

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what is the difference between R Y B windings in three phase.does it differ by construction or by number of windings?Explain the difference between them.

3 Answers  

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what is the length of air terminal in lightening arrester system.

1 Answers  

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Where double earthing is required? Is there any power specification to have double earthing?

10 Answers   Delphi,

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1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?

1 Answers  

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What is C.T, why it is used and what care should be taken for that while connecting?

20 Answers   Bhushan Power Steel,

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How many types oil using in transformer ? How many letars using in transformer..?

0 Answers   TATA,

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If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

6 Answers   L&T,

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