Answer / vijay kumar

The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.

what is difference b/w CFL and Ordinary lamps? which one is useful for power saving?

5 Answers  

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why potetial transformer primary ground?

1 Answers  

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ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

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any one please tell taht what type questions will be asked in BHEL interview, i am having interview on 24th Dec, please send this to mail pradeepsistam@yahoo.co.in

0 Answers   Bhel,

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what use marshalling kishock in power transformer?

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0 Answers   L&T,

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