as we know that N=120f/P
speed of an im can be controled only through changing no if
poles, can we control by changing the frequncy????
Answer Posted / ranjan
yes, definitely.as u know we are using the VFD drives for
speed variation w.r.t frequency.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?
how to determine ct ratio in ht vcb?
what is the function of impulse relay
how to design coil turns ?
tell me about roaster switch .& what is the function in transmission & distribution?
which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
Can an inverter be used as a converter? How?
in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
If we want to change a contactor of faulty one what are the conditions want to fullfil
Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage
2. What are the parameters of EHT sub-station?
How many points does a Circuit can have?
Define peak time.
How to check the LM324 Ic
how to increase senstivity of ct