Answer / abhay mishra

RRA stands for Rotating Rectifier Assembly.... which converts the AC into DC which is given to the field winding of synchronous generator i.e. alternator.

in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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What are the basic & Majour problems in UPS ?

0 Answers   Roto Power, RotoPower,

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Merz-Price circulating current principles is more suitable for

1 Answers   Student,

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why we have to do tan delta test of the transformer oil???

5 Answers  

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List the advantages of star-delta starter with induction motor?

0 Answers  

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What is the diffrence 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?

1 Answers  

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why steady state stability limit is greater than transient stability limit ? How it can be explained ?

0 Answers  

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how to calculate the size of the HT cable

0 Answers  

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What are the implications when the power factor is is leading condition ?

1 Answers  

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?? how to calculate lighting system ????

1 Answers   L&T, Synergy,

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Explain what cmos is and its benefits?

0 Answers  

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what is recommended breakdown voltage of transformer oil?

5 Answers  

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