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Proceedings of 2009 Conference onCommunication Faculity (PCCF 2009 E-BOOK)

Nan'ning,China,9.18-9.20,2009

ISBN: 978-1-935068-06-8 Scientific Research Publishing, USA

E-Book 712pp Pub. Date: December 2009

Category: Engineering

Price: $100

Title: Research on Modeling of PWM Drive Motor System
Source: Proceedings of 2009 Conference onCommunication Faculity (PCCF 2009 E-BOOK) (pp 350-354)
Author(s): Yaxiu Sun, Information and Communication Engineering College, Harbin Engineering University, Harbin, China
Bingcai Chen, Information and Communication Engineering College, Harbin Engineering University, Harbin, China
Lili Guo, Information and Communication Engineering College, Harbin Engineering University, Harbin, China
Abstract: The rectifier and inverter in three phase PWM drive motor system is studied in this paper. Based on Fourier Transform and Double Fourier integral, Mathematical models on common mode and differential mode noise source of rectifier and inverter are separately built PWM carrier wave and fundamental wave function are described by two independence periodic time function and the action function by two variable combined is used to integrand of Double Fourier integral. The inner and outer integral limits with sine pulse width modulation are obtained. The simulation and experiment results demonstrate that mathematical model of noise source is valid, which lays a foundation for interference forecast of system.
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