Research on Identification of Induction Motor Parameters Based on Nameplate Data

Abstract:

A new method for identification of motor equivalent circuit parameters is proposed based on motor nameplate and particle swarm optimization (PSO). That is effective solution to the present problems of motor equivalent circuit parameters identification method. An accurate motor equivalent circuit is built by introducing an equivalent stray-loss resistance, mechanical loss, and slip loss of ring brushes contact for wound motor. The identification accuracy of motor equivalent circuit parameters is improved. An identification optimization model of equivalent circuit is established based on motor nameplate parameters and motor equivalent circuit’s calculating parameters. With PSO for solving optimization model is achieved a higher probability optimization goals. Finally, a group of equivalent circuit parameters to achieve the objective function value is randomly selected. The motor electrical parameters is calculated at different speeds with the equivalent circuit identified parameters and compared with the measured values. Experimental results demonstrate the proposed parameter identification method based on motor nameplate parameters and combining PSO optimization method is effective.

• Periodical: Applied Mechanics and Materials (Volume 721)
• Pages: 517-522
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.721.517
• Online since: December 2014
• Authors: Xing Wu Wang*, Zhao Yan Zhang, Yong Jun Lin
• Keywords: Motor Nameplate, Optimization Model, PSO, Slip Ring Brushes, Stray Loss

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