Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
Motor speeds and voltage
The simplest relationship between voltage and speed is back EMF. This is usually given in the motor's data sheet as V/kRPM or V/Rad/s. If the back EMF is say 20 V/kRPM and you apply 20 Volts to the motor it will turn about 1000 RPM with no load. Volts = Speed * Back EMF To make things a...- sanborn
- Post #2
- Forum: Electric motors & generators engineering
