Motor running trough VFD, if voltage reduced speed will be?
Answer Posted / gennadiy
Yes, the voltage in the simpliest V/f control is decreased proportionally with the speed decreasing. V~f in linear V/f control and V~f*f in parabolic V/f control (for pumps and fans).
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what are the different kind of cables used for transmissions?
which type of stability limit is higher,steady state or transient? why?
for compensate 315mh inductance ,how many capaciance required?
what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?
What is the practical way to calculate the cable size for known ampere load?
Where servomechanism is used?
should %impedance be high or low in a power transformer? if so why?
Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
what is the maximim current drawn by 1 phase and three phase welding machine
Pl. give me checklist for installation & commissioning of machine tool.
why we are using earth pit in sub stations.?
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
What is contract demand in solar system?
What is the difference between vector surge relay (78) and Pole slip relay (98G)
Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?