The Study on a New Type of Full-Voltage Starting Method of Asynchronous Motors

Abstract:

For various problems in the procedure of high-power induction motor’s starting and disadvantages of traditional starting methods, this paper proposed a new type of full-voltage starting method of high-power induction motor—a full-voltage starting method with dynamic reactive power compensation, introduced its principle, studied the control strategy of full-voltage starting with dynamic var compensation emphatically, and established the simulation model for direct starting, soft starting and full-voltage starting with dynamic var compensation based on the Matlab/Simulink simulation software to do digital simulation and compared three methods. The simulation results indicated that the method proposed in this paper can make the high-power induction motor start fast and smoothly with both high-torque and low starting current, and it has a better starting performance than traditional starting methods and the advantage of not affecting power quality.

• Periodical: Advanced Materials Research (Volumes 383-390)
• Pages: 400-407
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.383-390.400
• Online since: November 2011
• Authors: Xiao Ming Li, Huan Wu, Yun Zhao, Shi Qi Liu
• Keywords: Direct Starting, DVC Full-Voltage Starting, High-Power Asynchronous Motors, MATLAB, Soft-Starting

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