NDLI: Piecewise variable parameter model for precise analysis of iron losses in induction motors

Content Provider	IET Digital Library
Author	Haisen, Zhao Yilong, Wang Dongdong, Zhang Yang, Zhan Guorui, Xu Yingli, Luo
Abstract	This study proposes a two-term piecewise variable parameter model for precise prediction of iron losses in induction motors. In this model, two additional flux density terms reflect the non-linear magnetisation and the harmonic fields in the motors, and the main loss parameters are piecewisely variable with the magnitude and frequency of flux density, so that higher accuracy of iron loss prediction can be achieved for a large range of flux density frequencies and magnitudes. Meanwhile, the fine analysis of the fundamental and harmonic iron losses can also be carried out with the proposed model, and the influence of the harmonic fields on the hysteresis and eddy current losses can be revealed. Experimental validations are carried out on the laminated steels, DR510 and DW470, as well as, the Y132S-4, 5.5 kW and YX3-250M-4, 55 kW induction motors whose cores are made of the above steels. The experiments on the motors are performed with the voltage supply of different magnitudes, and both the proposed model and Bertotti model are used to predict the iron losses. It is shown that the iron losses predicted by the proposed model agree well with the test results over a wide range of supply voltages. This study contributes the technical support for the development of new premium efficiency motors.
Starting Page	361
Ending Page	368
Page Count	8
ISSN	17518660
Volume Number	11
e-ISSN	17518679
Issue Number	Issue 3, Mar (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/11/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2016.0009
Journal	IET Electric Power Applications
Publisher Date	2017-03-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Machine Bertotti Model DR510 Steel DW470 Steel Eddy Current Loss Electromagnetic Induction Flux Density Fundamental Iron Loss Harmonic Analysis Harmonic Field Harmonic Iron Loss Hysteresis Loss Induction Motors Iron Loss Prediction Laminated Steels Laminations Loss Parameter Magnetic Flux Magnetic Hysteresis Magnetisation Mathematical Analysis Nonlinear Magnetisation Power 5.5 KW Power 55 KW Precise Analysis Precise Prediction Steel Two-term Piecewise Variable Parameter Model Y132S-4 Steel YX3-250M-4 Steel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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