Answer / rabi

KW/Kg is more for 3 phase motor than single phase motor of
same rating. also there is no need of starting winding for
creating RMF in 3-phase induction motor.

Answer / gunasekaran

3phase motor less noise than single phase motor why because
single phase motor always receiving pulsating field but
3phase not like that and then speed torque characteristic
also good for 3phase motor. Resultant flux in the single
phase is zero so it is not self starting but 3phase motor
not like that

Answer / rajiv mahajan

good starting torque
compact size
no capacitor required

Answer / dileep

because if u take a same capacity rating of both 1 phase
and 3 phase ,the size of 3 -phase motor is small compared
to 1-phase.

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

0 Answers  

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why we have and use 3 phase not 2 or 4 or other in power system?

0 Answers  

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What is Electrical Engineering?

13 Answers   L&T, NTPC, Wockhardt,

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what do you mean by mf of energy meter & its formula?

4 Answers  

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What is the mechanism of WTI

0 Answers   JBS,

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In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

0 Answers  

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what is distribution board?

0 Answers  

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How many watts required for single phase power supply?

4 Answers  

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what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

0 Answers  

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is there any difference between protection C.T and measuring C.T?if yes then what is the difference?

4 Answers   BARC, Century Rayon,

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What is the current carrying capacity of 35sq.mm flexible cable?

0 Answers  

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What is cogging and crawling phenomenon in motor.

2 Answers   DAE,

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