can a rotating machine give the DC output without commutator? if yes, how? if no, why?

6 Answers   BARC,

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What are the special protection given for high capacity Motor, more then 10mw

2 Answers  

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What are the tests to be done on circuit breaker?

1 Answers  

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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what is the difference between Inverter and ups

1 Answers   L&T, MTS,

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What consists of 2 or more thermocouples to be connented series?

0 Answers  

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when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

0 Answers  

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what is the distance between two overhead lines

1 Answers   Aurobindo,

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what are the sections in a high voltage system(eg:incomer,buscoupler,isolator

1 Answers   IGL, L&T,

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what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?

3 Answers  

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Discribe type of fault in DOL and stardelta startor.

0 Answers  

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Explain the laying procedure and laying depth of submarine cables under sea?

1 Answers   Schneider,

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