in VFD when freq is reduce the voltage will reduceor not if
it will reduced upto ...
Answer Posted / ashok
yes voltage is reduced (out put) when frequency is reduced..
50 hz = 415v
25 hz = 270 v
0 hz = 0 v
if u reduce the frequency voltage reduce vice versa
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
how can maintaince the acb contactor moveing and fixing kit
with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....
Enlist four components of electrive drives.
how can i reduce sparking without stepdowning the voltage
what is submersible pump?what is different between motor and sub motor?
Explain difference between stand by earth fault and residual earth fault protection?
in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses? the second question is-generation is depends on LV winding? or LV winding design for generation voltage?
Cb closed condition if there is a tcs fail whether cb will trip or not
what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
what is the meaning of vcc
Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above
What is VCB? where it is installed at SP. What is SP?
hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar