why 3 phase motors are preferable over single phase motors ?
Answer Posted / 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.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
Draw the equivalent circuit of crystal oscillator?
Why PS class CT is always preferred for Differential protection?
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
why three phase capacitor takes unbalanced current in capacitor bank?
What is proportional controller?
what is meaning of bus riser
How REF protects transformer alone? explain with diagram.
Why using synchronising methed in DG's sets?
What is capacitance?
Classify milling machines.
How to calculate Voltage regulation of 22 KV Over head Line.
How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???
What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?
The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?
what is the current density of copper & alluminium.