Answer Posted / muthu kumaran
initially there is no back emf in motor and so current due to the supply voltage flows fully thru the motor.
for EX:230v supply resistance of motor is 0.15ohm -->I=230/0.15=1350.but the rated I is 45A.so that the motot gets damage.so we need to use the starter
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
What happens if we connect a single phase energy meter in reverse polarity.
How is the percentage impedence of a transformer fixed at design stage???
i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh
how to synchronize 3 phase slip ring induction motors of different ratings.
what is the differences between microprocessor and general purpose computer
which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?
How the capacitance og capacitor volatage transformer is decided?
What is the difference between a verilog task and verilog function?
Where voltage are high and current to be interrupted is low the breaker preferred is:
how does high earth to neutral voltage affects electronic circuit?
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
how we decide scurt (disc) of insulator with respect to kv rating
what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor