any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

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what is static frequency converter?what is the function...of sfc...?

0 Answers   L&T,

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In 3 phase induction motor even with low Voltage it reaches nearly it's rated speed why? (for example instead of 400V it reaches with 250V)

2 Answers  

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sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1 Answers  

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There is no such thing as a Generator. All power generating devices are Alternator since both generate alternating current since this is the only way electrical power can be generated. In "generators" the alternating current is converted into DC inside the housing of the "generator" in order to give out DC Do you agree? If not please educate me. How else is DC generated if not like above?

2 Answers  

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when a primary current injection test is required, it is accomplished by what?

3 Answers  

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how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

0 Answers  

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please send me latest & previous years question papers for IOCL Technical level questions

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why America use 60HZ 110V?

4 Answers   Kalindee Rail,

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what is smart&micro grid technology?under coal gassification?

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what time should we set to come on star contacter in stardelta starter?and for what reason we hav to set such time delay range?

2 Answers  

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how do i calc busbar size for a rated current?

1 Answers  

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