any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.

1 Answers  

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What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 Answers  

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can we use 220 volt 15 w a.c. lamp on 220 volt d.c.

11 Answers   Philips,

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what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

0 Answers   Finolex,

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what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

0 Answers  

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What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

0 Answers   HAL,

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What will be the sampling frequency that reveals the same sampled signal?

1 Answers   CCP,

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CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

22 Answers   L&T,

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how to select fuse in any circuit? if with fomula ?and examples also

1 Answers  

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Generator protection &generator test

1 Answers  

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How to select a contactor? How many types of contactors are available

0 Answers   TCS,

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what is a vector protection in transformer

0 Answers  

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