how df/dt relay operates & how it works?

1 Answers  

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in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

1 Answers  

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1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

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best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?

0 Answers  

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how can a transformer test by megger?

1 Answers  

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why making capacity is more than breaking capacity?

14 Answers   Essar, Indo Asian, Infinity,

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What is the purpose of RECTIFIER ASSEMBLY in AC power generators?

2 Answers  

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what is cogging and crawling

2 Answers  

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Single line diagrams for star to delta and DOL starters.

0 Answers  

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What is the difference between ohmic resistance and effective resistance?

2 Answers  

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What are the main factors to be considered(In terms of energy conservation) while selecting a new air compressor?

1 Answers  

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how mass curve differs from hydrograph.

0 Answers  

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