Answer / sakthivel perambalur

rail is all way negative and oht is positive supply ok

we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

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why the rating of transformer in only KVA not in others?

7 Answers  

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sir i had plane to do some project with the base of hopkinson test in AC supply its possible

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When motor stater and roter air gap do big then what will moter.

3 Answers   Intas,

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how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

0 Answers   ONGC,

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How can we calculate the rating of capacitor bank to be connected for a particular load(ex.100kw)to improve the power factor from 0.8 to 0.9?

4 Answers   Voltas,

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how to select proper cable for ct wiring so that drop within the limit.

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why any inductive load need free wheeling diode?

4 Answers   Essar,

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What is meant by turbo alternators?

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what is a 3 phase power formula ?

5 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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why phase & neutral is use in tv? why earthing not use ?

2 Answers  

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