why we r used DC megger insted of AC megger?

1 Answers   Adani,

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Power Factor Controller

1 Answers  

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can we replace d.c.motor by 3 phase induction motor for a particular application

4 Answers  

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What is the difference b/w chock and ballast?

2 Answers   Emami,

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Relation between magnetic field strenght and magnetic induction is a) Voltage b) current c) Speed d) tarque

1 Answers   Ecil,

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how to calculate lighting for a room

2 Answers   Coca Cola,

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How test for Ddo vector group test condition?

0 Answers  

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It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

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how we calculate the knee point of a protection and metering CT and what is the testing procedure.

1 Answers   CS,

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How to test Power Transfomer vector group?

1 Answers   Bhel,

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What is the formula to find out the kvar required to improve the powerfactor from .85 to .99 at 1500kw, 415v.

4 Answers   Trident,

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My ups output shows 230 v between phase and neutral,but show zero between phase and earth.Is the system/installation is correct.If not what will be the possible reasons

4 Answers  

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