In AC Drives How can change & control its output Frequency?
Answer Posted / felixraj
by Invertors(cycloconvertors).only condition is to maintain
V/F ratio
Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..
3ph motor running with unequal kw and different pf what are the reasons
how will calculate the safe starting current of 3-phase squirrel cage induction motor?
1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve
How to calculate VA rating for CT or PT or Control Transformer?
Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.
What are m circles?
what is a vector protection in transformer
Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.
what is settable hystersis protection? If any body knows plz kindly post the answer..
what is zinc diffusion?
In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????
What is the difference between a 3 winding and 2 winding Potential Transformer
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?
why different series of vfds (like allenbradley)are used in industry ?