Why current Transformer is rated by 100A/5A/5A?

3 Answers  

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Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

0 Answers  

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WHAT IS THE DIFFERENCE B/WDYNAMO&ALTERNATOR?

6 Answers   IOCL,

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HOW DO A DISTANCE RELAY SENSES THE FAULTY ZONE.

5 Answers  

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why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 Answers   ABB, KVPY,

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What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?

0 Answers   Power Plant,

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what is the name of transformer oil.

15 Answers  

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Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

6 Answers   NTPC, Vijai Electricals,

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What is the role of power pack in substation protection system?

0 Answers   Facor,

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how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A

2 Answers  

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what is phase and neutral.

2 Answers   Birla,

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why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

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