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


Please Help Members By Posting Answers For Below Questions

static chagre

1702


What is power relay?

791


hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

1635


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

9698


How to know th details about an electrical Drawing ? Please mention the easy method.

1997






magnetizer priciple

1575


what is the difference between earthing and unearth

2367


when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1264


Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

1624


As i want some model question paper in basic computer science and history please send me immediately sir

1438


what is rocking arrangement in arc heating

1683


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3143


How to calculate multiplying factor of dc energy meter

1207


Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

3369


How to calculat the ratio of HT\LT in energy meter

2125