how the calculation is done if the DG set require for the -- -48 to -51v 4000 ah battery set .

1 Answers   BSNL,

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What is the significance of integral controller and derivative controller in a pid controller?

0 Answers  

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WRITEDOWN FEW RELY CODES

0 Answers   Equate,

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why ten delta testing is carried out on power transformer

0 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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can anyone pls expain me about how can we design a cable tray??suppose if have to draw a 3 nos of 50 sqmm AYFY and 2 nos of 35 SQmm of AYFY cable through the tray..how can we design the tray size?? regards...

3 Answers  

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

0 Answers   TATA,

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how to remover corona effect and hysteresis losses from contactor

0 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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according to faraday's law whether the induced emf is average or rms value?

2 Answers   Power Grid,

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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What is the high series capacitance winding on high voltage power transformer ?

0 Answers  

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