Transactions of China Electrotechnical Society  2020, Vol. 35 Issue (16): 3445-3452    DOI: 10.19595/j.cnki.1000-6753.tces.190807
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Research on Vibration Reduction of Series Reactor Based on Harmonic Injection
Yan Rongge1, 2, Zhao Wenyue1, 2, Chen Junjie1, 2, Zhang Xiaojie1, 2
1. State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of Technology Tianjin 300130 China;
2. Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province Hebei University of Technology Tianjin 300130 China

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Abstract  Vibration and noise reduction are important factors that need to be considered during the production and application of reactors. However, most of the current damping methods focus on passive vibration reduction, which cannot reduce the electromagnetic vibration from the root causes. Therefore, an active vibration reduction method based on harmonic injection is proposed for the series reactor. Firstly, according to the positive proportional relationship between the vibration acceleration of the series reactor and the change rate of input power, the relationship between the change rate of power and the input current was deduced. Because the input harmonics in the reactor could change the waveform of the input current, it was proposed to reduce the change rate of power of the reactor by increasing the reverse odd harmonic excitation, thereby suppressing the vibration of the reactor. The optimal harmonic injection amount was calculated by genetic algorithm. Then, the electromagnetic- mechanical coupling model of the series reactor was established, and the electromagnetic vibration of the core of the reactor was calculated based on the finite element method. The comprehensive average damping effect of the series reactor after harmonic injection is 12.90%. Finally, the vibration test platform of series reactor was built. The damping effect of the reactor after harmonic injection is 12.75%, which verifies the correctness of the simulation results. The simulation and experiment show that the method has a good effect on the vibration reduction of the reactor.
Key wordsSeries reactor      electromagnetic vibration      change rate of power      harmonic injection      vibration reduction     
Received: 02 July 2019     
PACS: TM47  
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Yan Rongge
Zhao Wenyue
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Zhang Xiaojie
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Yan Rongge,Zhao Wenyue,Chen Junjie等. Research on Vibration Reduction of Series Reactor Based on Harmonic Injection[J]. Transactions of China Electrotechnical Society, 2020, 35(16): 3445-3452.
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