Title :
Constant slip control of induction motor at light load
Author :
Xiaogang, Feng ; Boshi, Chen
Author_Institution :
Sch. of Autom., Shanghai Univ., China
Abstract :
The most widely used AC motor drives adopt the rated flux control (RFC) method. However, at light load condition, RFC causes excessive iron loss, thus the conversion efficiency of the drive system is impaired. This paper introduces a new control approach-constant slip control (CSC), which minimizes the stator current at light load, so that the iron loss and reactive power consumption of the motor are decreased. Simulation results compare the power consumption of CSC with that of RFC in order to validate the theoretical development. In the last part, realization of CSC is discussed
Keywords :
induction motor drives; machine control; power consumption; reactive power; slip (asynchronous machines); stators; AC motor drives; constant slip control; conversion efficiency; induction motor; iron loss; light load; reactive power consumption; stator current minimisation; AC motors; Automatic control; Automation; Frequency; Induction motors; Iron; Lighting control; Rotors; Stators; Synchronous motors;
Conference_Titel :
Energy Conversion Engineering Conference, 1996. IECEC 96., Proceedings of the 31st Intersociety
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-3547-3
DOI :
10.1109/IECEC.1996.553380
