Magazine Article

Electric Machine With Boosted Inductance to Stabilize Current Control

TBMG-18751

12/01/2013

Abstract
Content

High-powered motors typically have very low resistance and inductance (R and L) in their windings. This makes the pulse-width modulated (PWM) control of the current very difficult, especially when the bus voltage (V) is high. These R and L values are dictated by the motor size, torque (Kt), and back-emf (Kb) constants. These constants are in turn set by the voltage and the actuation torque-speed requirements. This problem is often addressed by placing inductive chokes within the controller. This approach is undesirable in that space is taken and heat is added to the controller.

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Citation
"Electric Machine With Boosted Inductance to Stabilize Current Control," Mobility Engineering, December 1, 2013.
Additional Details
Publisher
Published
Dec 1, 2013
Product Code
TBMG-18751
Content Type
Magazine Article
Language
English