when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

0 Answers  

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In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

0 Answers  

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what voltage generated earth tester meter when we testing the Earth point ?

1 Answers   Cognizant, CTS,

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1 Answers   Exide,

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Why rating of transmission line in kv not in kva

2 Answers  

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as ac supply is given 2 the transformer why it doesnot depends upon powerfactor????

2 Answers  

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why two over current realy used in vcb.

2 Answers   BSES, Wipro,

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Three phase alternators are connected in star connection why?

13 Answers   Tanfac,

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How we calculate the size of H.T cable for any transformer & rating of busbar for any L.T. panel?

3 Answers  

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what happen if drive input fail momentry at 48.5 HZ frequency?

0 Answers  

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SUTIABLE FOR ohm's law super conductor

0 Answers  

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why we use ac system in india why not dc

3 Answers  

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