in VFD when freq is reduce the voltage will reduceor not if
it will reduced upto ...

Answer Posted / arvind

Dear Amrinder
we know through v/f ratio, if frequency will reduce that
means the voltage will increase.

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how we calculate the withstansing current capacity of wires&cables?

1575


Define what is difference between fuse and breaker?

759


In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

469


What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

3607


Why induction motor is widely used in industry

2366






Hello sir i m student of gtu .what is idp.

1841


what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

3156


why we use condenser in the thermal power plant, althrough the same vapour will be again heated

4139


The windings of a transformer are divided into several coils, because?

910


please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

1606


How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

1676


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 ?????

1714


H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

1566


How can you sized or estimate the ligthning arrester current rating?

1732


hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.

1548