Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

0 Answers  

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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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Master trip relay code no

2 Answers   TR,

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why the motor running in delta connection ? it can be in star?

13 Answers   NTPC,

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How can transformer winding insulation be measured (Delta & Star Connections)?

3 Answers  

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what is the constructional difference between a power transformer and potentian transformer?

0 Answers   BTM,

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What is the main difference between generator and alternator

4 Answers  

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FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???

10 Answers  

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hw to calculate flc of motor ? data are:3-phase,50Hz,30kw

6 Answers   BRG, Reliance,

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What is difference between start imitation and start interlock for 3 phase motor protection ?

0 Answers   Siemens,

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Can We Apply DC POWER To Transformer???? And Why????

4 Answers  

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What is the difference between type1 and type2 relay protection co-ordination for motor feeders

0 Answers   DAE,

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