what is the meaning of DY-11 Z-5%

1 Answers  

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we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

0 Answers  

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As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

3 Answers  

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how to control the generator output voltage? what r the condition should satisfy for synchronization?

7 Answers   HP,

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I need to calculate the Battery bank back up for below configuration:- UPS - 120 KVA Battery Bank - 200Ah Volt of each cell - 12 V Total No of cell - 34 No's Can you please help me to get the battery back up time for above configuration...? along with formula

1 Answers   Wipro,

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what is the main different between distribution transformer and power transformer ?

7 Answers   Sail,

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How to reduce current flowing in neutral due to unbalanced load conditions in a three phase system.

1 Answers   IOCL, wbsedcl,

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why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

0 Answers  

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how to extend relay operating timing in 24V dc relay card (without using Timer )

0 Answers  

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xplain in detail d pr. of synchronous motors? why syn. generators r used for the production of electricity?

4 Answers  

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why delta delta connection generally not use in transformer

4 Answers   Lanco,

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

0 Answers  

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