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Analysis of Stator Internal Phase-to-Phase Short Circuit in the 12-Phase Synchronous Generator With Rectifier-Load System | IEEE Journals & Magazine | IEEE Xplore
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Journals & Magazines >IEEE Transactions on Energy C... >Volume: 33 Issue: 1

Analysis of Stator Internal Phase-to-Phase Short Circuit in the 12-Phase Synchronous Generator With Rectifier-Load System

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Shanming Wang; Yuguang Sun; Ziguo Huang; Shujun Mu
All Authors

Abstract:

The 12-phase synchronous generator-rectifier system is widely used in mobile platforms that require high system security. In the system, the stator internal short circuit...Show More

Metadata

Abstract:

The 12-phase synchronous generator-rectifier system is widely used in mobile platforms that require high system security. In the system, the stator internal short circuit is a kind of common fault that may compromise the security of the generator. This paper gives detailed analysis on the internal phase-to-phase short-circuit faults, including the faults within the same group of Y-connected phases and those between different groups of Y-connected phases in the 12-phase system. A multiloop mathematical model is built to calculate all the voltages and currents when the faults occur in the system. In the model, the additional short-circuit loop between different phases, as well as the fault effects on both the air-gap magnetic field and the circuit topology of the system, are taken into account. Then a series of fault experiments are carried out on a 12-phase model machine. In view of the good agreement of experiment and simulation results, the effectiveness of the mathematical model and the simulation method is confirmed. Finally, the electric characteristics of the internal phase-to-phase short-circuit faults are summarized, and the fault mechanism is revealed.
Published in: IEEE Transactions on Energy Conversion ( Volume: 33, Issue: 1, March 2018)
Page(s): 299 - 311
Date of Publication: 01 September 2017

ISSN Information:

DOI: 10.1109/TEC.2017.2748147

Funding Agency:

Author image of Shanming Wang
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Shanming Wang received the B.S. and M.S. degrees in electrical engineering from Nanchang University, Nanchang, China, in 1993 and 1996, respectively, and the Ph.D. degree from the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2001.
In 2001, he joined the Department of Electrical Engineering, Tsinghua University, where he is currently an Associate Professor. His research interests included...Show More
Shanming Wang received the B.S. and M.S. degrees in electrical engineering from Nanchang University, Nanchang, China, in 1993 and 1996, respectively, and the Ph.D. degree from the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2001.
In 2001, he joined the Department of Electrical Engineering, Tsinghua University, where he is currently an Associate Professor. His research interests included...View more
Author image of Yuguang Sun
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Yuguang Sun received the B.S. and Ph.D. degrees in electrical engineering from Tsinghua University, Beijing, China, in 1998 and 2003, respectively. Since 2003, she has been working in Tsinghua University and was promoted to Associate Professor in 2010. Her major research interests include protection and monitoring of various internal faults in ac machines, including calculation and quantitative design of main protecti...Show More
Yuguang Sun received the B.S. and Ph.D. degrees in electrical engineering from Tsinghua University, Beijing, China, in 1998 and 2003, respectively. Since 2003, she has been working in Tsinghua University and was promoted to Associate Professor in 2010. Her major research interests include protection and monitoring of various internal faults in ac machines, including calculation and quantitative design of main protecti...View more
Author image of Ziguo Huang
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Ziguo Huang was born in Fujian, China, in 1990. He received the B.S. degree in electrical engineering from Zhejiang University, Hangzhou, China, in 2011. He is currently working toward the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China.
His research interests include design of motor with solid rotor and internal short-circuit fault analysis of multiphase machine system.
Ziguo Huang was born in Fujian, China, in 1990. He received the B.S. degree in electrical engineering from Zhejiang University, Hangzhou, China, in 2011. He is currently working toward the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China.
His research interests include design of motor with solid rotor and internal short-circuit fault analysis of multiphase machine system.View more
Author image of Shujun Mu
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Shujun Mu received the B.S. degree in electrical engineering from Shandong University, Jinan, China, in 2007, and the M.S. degree in Huazhong University of Science and Technology, Wuhan, China, in 2009, and the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2015.
His research interests include electromagnetic design of electric machine, the analysis and control of ac ma...Show More
Shujun Mu received the B.S. degree in electrical engineering from Shandong University, Jinan, China, in 2007, and the M.S. degree in Huazhong University of Science and Technology, Wuhan, China, in 2009, and the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2015.
His research interests include electromagnetic design of electric machine, the analysis and control of ac ma...View more
Contents

I. Introduction

With the development of the power electronic technology, AC generator connected with AC/DC converter supplies DC power in many isolated power systems [1]– [5]. The multiphase generator-rectifier systems have many advantages compared with the traditional three-phase generator-rectifier systems [1]. For example, providing the voltage with 24 pulses on the DC side, the 12-phase synchronous generator with rectifier load system has smaller ripple in the output voltage than the traditional three-phase system. And there is smaller distortion in phase voltages on the AC side as well as smaller EMI. Besides, the 12-phase rectifier system could also increase the power density and efficiency, which makes it an optimal choice to supply high-power and high-quality DC source in ships, aircraft and other mobile platforms.

Author image of Shanming Wang
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Shanming Wang received the B.S. and M.S. degrees in electrical engineering from Nanchang University, Nanchang, China, in 1993 and 1996, respectively, and the Ph.D. degree from the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2001.
In 2001, he joined the Department of Electrical Engineering, Tsinghua University, where he is currently an Associate Professor. His research interests included the analysis and control of electric machines, vibration analysis and control of electrical machines, hybrid excitation PM machines, the simulation of ac machines and systems, and fault analysis for electric machines and its protection.
Shanming Wang received the B.S. and M.S. degrees in electrical engineering from Nanchang University, Nanchang, China, in 1993 and 1996, respectively, and the Ph.D. degree from the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2001.
In 2001, he joined the Department of Electrical Engineering, Tsinghua University, where he is currently an Associate Professor. His research interests included the analysis and control of electric machines, vibration analysis and control of electrical machines, hybrid excitation PM machines, the simulation of ac machines and systems, and fault analysis for electric machines and its protection.View more
Author image of Yuguang Sun
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Yuguang Sun received the B.S. and Ph.D. degrees in electrical engineering from Tsinghua University, Beijing, China, in 1998 and 2003, respectively. Since 2003, she has been working in Tsinghua University and was promoted to Associate Professor in 2010. Her major research interests include protection and monitoring of various internal faults in ac machines, including calculation and quantitative design of main protection on stator internal faults in synchronous generators, calculation and online monitoring of rotor faults in synchronous generators, characteristics analysis and monitoring on stator internal short-circuit, and loss of field of PM rotor in multiphase generator system with rectifier load.
Yuguang Sun received the B.S. and Ph.D. degrees in electrical engineering from Tsinghua University, Beijing, China, in 1998 and 2003, respectively. Since 2003, she has been working in Tsinghua University and was promoted to Associate Professor in 2010. Her major research interests include protection and monitoring of various internal faults in ac machines, including calculation and quantitative design of main protection on stator internal faults in synchronous generators, calculation and online monitoring of rotor faults in synchronous generators, characteristics analysis and monitoring on stator internal short-circuit, and loss of field of PM rotor in multiphase generator system with rectifier load.View more
Author image of Ziguo Huang
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Ziguo Huang was born in Fujian, China, in 1990. He received the B.S. degree in electrical engineering from Zhejiang University, Hangzhou, China, in 2011. He is currently working toward the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China.
His research interests include design of motor with solid rotor and internal short-circuit fault analysis of multiphase machine system.
Ziguo Huang was born in Fujian, China, in 1990. He received the B.S. degree in electrical engineering from Zhejiang University, Hangzhou, China, in 2011. He is currently working toward the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China.
His research interests include design of motor with solid rotor and internal short-circuit fault analysis of multiphase machine system.View more
Author image of Shujun Mu
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University, Beijing, China
Shujun Mu received the B.S. degree in electrical engineering from Shandong University, Jinan, China, in 2007, and the M.S. degree in Huazhong University of Science and Technology, Wuhan, China, in 2009, and the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2015.
His research interests include electromagnetic design of electric machine, the analysis and control of ac machines and systems, power electronics, and distributed energy system.
Shujun Mu received the B.S. degree in electrical engineering from Shandong University, Jinan, China, in 2007, and the M.S. degree in Huazhong University of Science and Technology, Wuhan, China, in 2009, and the Ph.D. degree in the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2015.
His research interests include electromagnetic design of electric machine, the analysis and control of ac machines and systems, power electronics, and distributed energy system.View more
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