What is the Operating Powerfactor of UPS??? Why??

3 Answers  

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can anyone provide me a amf panel control wiring using ec-2 relay?

0 Answers   Electro Tech,

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how we protect the motor & what are the components required for that ?

2 Answers  

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what is a relation of energy in electromagetic field

1 Answers  

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For an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?

8 Answers  

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what is automatic voltage regulator and it is used?

2 Answers   HAL,

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Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 Answers  

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as per BIS supply voltage in India is ......

9 Answers  

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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If single phase having 220v so why 3phase is440v.

7 Answers   DLF,

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Name the component u would expect to find in a switchgear assembly?

0 Answers  

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How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

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