Study on the Stability of Buck-Boost Converter with Constant Power Load

doi:10.11985/2017.11.001

Abstract

Abstract:

In this paper, the stability of buck-boost converter with constant power load (CPL) is studied by passivity. Owing to the character of negative of CPL, the real part of input impedance of the Buck-Boost convertor is negative definite and non-passive, which can make the convertor unstable. In order to make the real part of the input impedance of the Buck-Boost converter changes from negative definite to positive one, a passivity based controller based on port controlled Hamiltonian with dissipation (PCHD) is designed to ensures the passivity and stability of the convertor, and then convertor has the good steady-state and dynamic performance. Simulation result shows that the passivity based controller can ensure the passivity and stability of the Buck-Boost with CPL, and the convertor has the good steady-state and dynamic performance.

Key words: Buck-Boost converter, constant power load, the model of port controlled Hamiltonian with dissipation, passivity based controller

CLC Number:

TM46

Zhenjie Gong,Jiuhe Wang. Study on the Stability of Buck-Boost Converter with Constant Power Load[J]. Journal of Electrical Engineering, 2017, 12(11): 1-6.

Figures/Tables 7

Fig.1

Fig.2

Fig.3

Fig.4

Tab

Fig.5

Fig.6

References 12

[1]	Louganski KP . Modeling and analysis of a DC power distribution system in 21st century air lifters[D]. Department and Computer Engineering, Virginia Tech, Blacksburg, VA, 1999: 51-96.
[2]	Grigore V, Hatonen J, Kyyra J, . et al. Dynamics of a buck converter with a constant power load[C]. IEEE Power Electronics Specialists Conference, 1998,1:72-78.
[3]	Amir M Rahimi, Ali Emadi . An analytical investigation of DC/DC power electronic converters with constant power loads in vehicular power systems[J]. IEEE Transactions on Vehicular Technology, 2009,58(6):2689-2702. doi: 10.1109/TVT.2008.2010516
[4]	Rivetta C, Williamson G. A Large-signal analysis of a DC-DC Buck power converter operating with constant power load[C]. The 29th Annual Conference of the IEEE Industrial Electronics Society, Roanoke, 2003: 732-737.
[5]	Rivetta C, Williamson G A. Global behavior analysis of a DC-DC boost power converter operating with constant power load[C]. IEEE International Symposium on Circuits and Systems, 2004: 956-959.
[6]	万成安, 于磊, 刘建强 . 航天器直流电源系统稳定性分析方法研究[J]. 航天器工程, 2009,18(2):14-19.
	Wan Cheng`an, Yu Lei, Liu Jianqiang . Research on the stability analysis strategy for spacecraft DC power system[J]. Spacecraft Engineering, 2009,18(2):14-19.
[7]	Riccobono A, Santi E. A novel passivity-based stability criterion (PBSC) for switching converter DC distribution systems[C]. IEEE Applied Power Electronics Conference and Exposition, Orlando, 2012: 2560-2567.
[8]	吴磊套, 杨兆华, 胥布工 . DC/DC开关变换器的无源控制方法[J]. 电工技术学报, 2004,19(4):66-69.
	Wu Leitao, Yang Zhaohua, Xu Bugong . Investigation of passivity-based control of DC/DC converter[J]. Transactions of China Electrotechnical Society, 2004,19(4):66-69.
[9]	徐德鸿 . 电力电子系统建模及控制[M]. 北京: 机械工业出版社, 2006.
[10]	吴必瑞, 裴素萍 . 基于DSP的能量双向流动交直流电源变换器[J]. 电气应用, 2016,35(12):54-57.
[11]	王久和 . 无源控制理论及其应用[M]. 北京: 电子工业出版社, 2010.
[12]	王久和 . 电能变换器及其无源控制[M]. 北京: 科学出版社, 2014.

参数	数值	参数	数值
U_s/V	200	r_a1	2 200
U_C^*/V	200	j	80
L/mH	500	k_p	0.56
C/μF	47	k_i	120
P/kW	1	f/kHz	10

[1]	YAN Han,LÜ Jianguo,DING Jinyong,MA Binghui,YAN Yiran. Research on the Multi-target Grid-connected Control Method of NPC Three-level Inverter Based on Model Prediction under Non-ideal Grid Conditions [J]. Journal of Electrical Engineering, 2019, 14(3): 23-32.
[2]	ZHANG Bingfeng,WANG Tiejun,FENG Jin. Research on a Harmonic Injection Inverter [J]. Journal of Electrical Engineering, 2019, 14(3): 90-96.
[3]	CHEN Qiaodi,ZHANG Xing,LI Ming,LIU Xiaoxi,GUO Zixuan. Short Circuit Ratio Measurement Method Based on Fundamental Impedance Detection [J]. Journal of Electrical Engineering, 2019, 14(2): 7-11.
[4]	GAO Shuai,ZHANG Xing,ZHAO Wenguang,GUO Huayue. Minimum Reactive Power Control Strategy for Dual Active Bridge DC-DC Converter [J]. Journal of Electrical Engineering, 2019, 14(2): 24-29.
[5]	DING Min,WU Guiqing,LI Xinyi. New Single Switch Non-isolated High Transform Ratio DC-DC Converter [J]. Journal of Electrical Engineering, 2019, 14(2): 12-16.
[6]	LI Hongzhu,SHI Qingchen,LIU Yan,LI Hongfan. Magnetic Integrated Staggered Parallel High Gain Converter with LCL Voltage Doubling Unit [J]. Journal of Electrical Engineering, 2019, 14(1): 52-60.
[7]	Chen Bing,Zhu Hongzhang,Tao Xuan Wu Jun,Wu Jun. Power Decoupling Control Strategy of Synchronverter Based on Current Feedback [J]. Journal of Electrical Engineering, 2018, 13(8): 18-25.
[8]	Chen Wei,Zhao Qiang. An Inverter Parallel Control Strategy Research Based on Virtual Impedance [J]. Journal of Electrical Engineering, 2018, 13(8): 7-11.
[9]	Zhang Yongchang,Jiao Jian,Liu Jie. Model-Free Predictive Current Control of the Voltage Source PWM Rectifier [J]. Journal of Electrical Engineering, 2018, 13(6): 1-6.
[10]	Cui Jian,Wang Juihe. Study of Passivity-Based Control of Buck Converter Based on Optimal Damping Injection [J]. Journal of Electrical Engineering, 2018, 13(6): 7-13.
[11]	Xing Zuoxia,Lu Yandong,Dong Huanbao. Power Decoupling Control Strategy of Variable Impedance Ratio Based on Virtual Impedance for Microgrid [J]. Journal of Electrical Engineering, 2018, 13(5): 14-20.
[12]	Yang Hao,Lv Xuefeng,Pan Haoming. Research on Common Mode Voltage Suppression Strategy for Two-Level Voltage Inverter [J]. Journal of Electrical Engineering, 2018, 13(4): 26-31.
[13]	Yong Zhang,Hongfeng Yan. One-Cycle Controlled Active Power Filter Based onLoad Current Derivative Compensation [J]. Journal of Electrical Engineering, 2017, 12(11): 35-40.
[14]	Yang Zhou,Gong Jun,Che Wenbin,Liu Shisong,Zhang Hongda,Li Ximeng. Application of State Estimation in Intelligent Substations [J]. Journal of Electrical Engineering, 2017, 12(10): 31-36.
[15]	Ding Jie,Zhang Ping. Junction Temperature and Fatigue Life Calculation of IGBT Module for Metro Vehicle Traction Inverter [J]. Journal of Electrical Engineering, 2017, 12(10): 9-18.