why CT ratio stand for 50/5, 100/5, 25/5.

11 Answers   ABB, Ramky,

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my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.

2 Answers  

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Which Current transformer will be bigger in size, 400/5 or 400/1 & why?

2 Answers   Apollo,

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why the AC or DC motor takes high starting current?

2 Answers  

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how many units will 100 kvar capacitor consume for one day?

2 Answers   Philips,

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why capacitor is placed in fan

4 Answers  

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what is a pf factor in generator.

3 Answers   CSEB,

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how can we decide where we have to DYn11 or other vector group transformer

4 Answers   BSL, Knight Frank, Security Printing and Minting Corporation of India Limited,

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What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

0 Answers  

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What is a fuse? How does it work? What are materials used?

0 Answers  

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why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

0 Answers  

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What is auto transformer?

28 Answers   ABC, Transformers and Electricals, US Consulate,

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