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
describe the phenomena of vacuum interruption in C.B
What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.
What is dc current source?
All tape of electrical questions Answers tape of motor transformer e.o.t crane
best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?
what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????
How to Decide(calculate) Bush bar size for copper and aluminiam ?
application s to shunt coil
is it value of power factor is more than unit. whats effects in the source supply
hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites
How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current
can i connect REF and Differencial relay in 1 CT core for transformer protection?
why swinburnes test cannot be performed on series machines?explain
Basic motor transformer generator
how the B-H loop obtain under the static condition