how to select battery for 15 KVA UPS with formula

0 Answers  

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What is kvar?

0 Answers  

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what is the function of commutator in dc motor?

10 Answers   CTS,

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Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?

2 Answers  

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what is the purpose of using filters in a protective relaying scheme?

0 Answers  

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What is the effect of using an underrated size cable to supply electrical power to a 3 phase ac electrical motor? What is the effect of using an overrated size cable for the same motor?

1 Answers  

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What about electrical Units. discrive in detail

0 Answers  

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WHAT IS THE USAGE OF Buckoltz relay IN POWER TRANSFORMER AND AND HOW ITS FUNCTIONS?

3 Answers  

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why doesnt the back emf hold the speed of unloaded series motor?

1 Answers  

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What is safety of Ht panel

0 Answers  

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

0 Answers   DAE,

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What happens if 25 Hz frequency is applied for 400/200,50 Hz single phase Transformer.Will Voltage increase ?

2 Answers   Bhel, Dawlance, IBM,

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