Proceedings of the 3rd International Conference on Mechatronics, Robotics and Automation

Design of the Power Amplifier for Magnetic Bearings Based on the Three-level PWM Modulation

Authors
Xiaodan Ren, Qiang Yin, Yue Yu, Hao Pang, Zecheng Xiong, Qiliang Zhao
Corresponding Author
Xiaodan Ren
Available Online April 2015.
DOI
https://doi.org/10.2991/icmra-15.2015.130How to use a DOI?
Keywords
Electronics; Three-level; PWM modulation; Power amplifier; Magnetic bearings
Abstract
As it is scant for the linear power amplifier and the two-level switching power amplifier, the principle is analyzed for the three-level power amplifier. It is proposed for the power amplifier for magnetic bearings based on the three-level PWM modulation technique. The circuit is designed for the implementation of the function. The two triangular carriers are formed by the triangular wave superimposing the positive and negative voltage bias, and then, the two drives are formed by comparing the current error signal and the two triangular carriers based on the voltage comparator. The experiment results show that the method can achieve the three-level work, reduce the output current ripple, and have good characteristics. The conclusions have some guiding significance to the design of the three-level power amplifier for magnetic bearings.
Open Access
This is an open access article distributed under the CC BY-NC license.

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Volume Title
Proceedings of the 3rd International Conference on Mechatronics, Robotics and Automation
Series
Advances in Computer Science Research
Publication Date
April 2015
ISBN
978-94-62520-76-9
ISSN
2352-538X
DOI
https://doi.org/10.2991/icmra-15.2015.130How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Xiaodan Ren
AU  - Qiang Yin
AU  - Yue Yu
AU  - Hao Pang
AU  - Zecheng Xiong
AU  - Qiliang Zhao
PY  - 2015/04
DA  - 2015/04
TI  - Design of the Power Amplifier for Magnetic Bearings Based on the Three-level PWM Modulation
BT  - Proceedings of the 3rd International Conference on Mechatronics, Robotics and Automation
PB  - Atlantis Press
SP  - 672
EP  - 675
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmra-15.2015.130
DO  - https://doi.org/10.2991/icmra-15.2015.130
ID  - Ren2015/04
ER  -