what is the use of the puls transformer in UPS & how it works???????????

0 Answers  

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why reactive power control is required

5 Answers  

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What is the formula to find out cross sectional area of cable for certain current rating?

1 Answers   MRF,

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HOW TO CALCULATE GROUND FAULT CURRENT IN 430V 4000AMP AIR CIRCUIT BREAKER?

2 Answers  

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what is the magnitude of earthing and neutral voltage

2 Answers  

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why the star delta motors burn out frequently

1 Answers  

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how we masure a cuurrent?

5 Answers  

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what is encoder & its use?

1 Answers   ACC,

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132 KV TRFO BUSHING CT BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

3 Answers   vguard,

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How to calculate Air conditioning capacity for a telecom BTS shelter?

0 Answers  

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what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

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What are the different parts of Alternator and how it works?

1 Answers  

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