Why should not we run the IM in low voltage, if runs means
what will happen?(for example instead of 400V we give 250V
supply)
Answers were Sorted based on User's Feedback
Answer / vishv shah
sry...for that wrong ans.......for
low voltage(1 phase - 230 volt)
operation! IM needs some mechanical
machine to start the motor but while
in high voltage(3 phase - 440 volt)
their is no any requirement like in
low voltage.....so........because
in high voltage rmf is generate to
start the motor
Is This Answer Correct ? | 1 Yes | 1 No |
Answer / vishv shah
as u know that IM run only because
of rmf .....rmf is produce because
of 120degree phase difference
between r;y;b......in 1phase i.e at
230volt no rmf is generate so.....!
IM can't run.......
Is This Answer Correct ? | 0 Yes | 1 No |
how i can calculate the size for fire cable
If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.
what is the different between rms and average value
simple way to find busbar sizes??
what is the use nuetral wire
sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.
please, Send me last technical test question paper in my email id..
How the line trap works in substation...?
when ur using single phase type of load for a 3.5core power cable .Why neutral is .5 and how much current in the neutral if we consider neutral as a reverse path for three phases.
what is motor
full form of electrical?
what is anti-pumping relay and the significance of it in a switcgear cb control system?