A Precise Voltage Distortion Compensation Strategy for Voltage Source Inverters

To achieve precise voltage value for modern model-based motor control strategies, an accurate voltage distortion compensation method for voltage source inverters is proposed in this paper. The voltage distortion principles of a mosfet-based inverter and an IGBT-based inverter are analyzed and compar...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2018-01, Vol.65 (1), p.59-66
Main Authors: Yuanlin Wang, Wei Xie, Xiaocan Wang, Gerling, Dieter
Format: Article
Language:English
Subjects:
Distortion
Electric potential
Error compensation
IGBT
Insulated gate bipolar transistors
inverter
Inverters
Legged locomotion
metal-oxide-semiconductor field-effect transistors (<sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">mosfet )
Observers
Switches
Synchronous motors
Telephone companies
Time lag
Trouble shooting
Voltage distortion
voltage distortion compensation
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Summary:To achieve precise voltage value for modern model-based motor control strategies, an accurate voltage distortion compensation method for voltage source inverters is proposed in this paper. The voltage distortion principles of a mosfet-based inverter and an IGBT-based inverter are analyzed and compared. A graphical solution of compensating voltage error is proposed, all the voltage distortion factors are considered. A current observer is designed to overcome time delay, achieve precise current in each switching period for compensation. The proposed method is of high precision, intuitive, and easy to implement. The effectiveness of the proposed method is verified by experiments.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2017.2716866