适用于中高压配电网的高功率密度谐振型级联H桥固态变压器

doi:10.19595/j.cnki.1000-6753.tces.170414

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Abstract The existing topologies of solid-state transformer (SST) for distribution network require a large number of capacitors, modules, IGBTs and high-frequency (or medium-frequency) transformers, which leads to high cost but low power density. In this paper, a high power density resonance cascaded H-bridge (full-bridge) SST (RCHB-SST) for medium/high-voltage distribution network is proposed. Taken the advantage of frequency selection function of series resonance, RCHB-SST can achieve a special structure with one high-frequency transformer corresponding to several H-bridge modules. Compared with traditional SST topologies, it can enhance power density with fewer capacitors, modules, IGBTs and high-frequency transformers. Furthermore, fewer modules and the adoption of open-loop control in the DC-DC stage will simplify the control system. In this paper, the function principle of RCHB-SST is analyzed, the mathematical model of RCHB-SST is established, and the control strategies and the calculation method of module capacitance are proposed. Finally, simulation verification is carried out.

Key words： Distribution network solid-state transformer (SST) power density cascaded H-bridge (CHB) resonance

Received: 10 April 2017 Published: 31 January 2018

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TM46

Fund:北京市自然科学基金资助项目(3172036)

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	Zhang Xueyin
	Xu Yonghai
	Xiao Xiangning

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Zhang Xueyin,Xu Yonghai,Xiao Xiangning. A High Power Density Resonance Cascaded H-Bridge Solid-State Transformer for Medium and High Voltage Distribution Network[J]. Transactions of China Electrotechnical Society, 2018, 33(2): 310-321.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.170414 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I2/310

[1] Usman Nasir, Marco Rivera, Sergio Toledo, et al. A review of power converter topologies with medium/ high frequency transformers for grid interconnection systems[C]//IEEE International Conference on Auto- matica, Curico, Chile, 2016, doi:10.1109/ICA- ACCA.2016.7778471.
[2] 陈磊, 欧家祥, 张秋雁, 等. 电力电子变压器研究综述[J]. 电网与清洁能源, 2015, 31(12): 36-42.
Chen Lei, Ou Jiaxiang, Zhang Qiuyan, et al. A review of studies on power electronic transformers[J]. Power System and Clean Energy, 2015, 31(12): 36-42.
[3] 陈启超, 纪延超, 潘延林, 等. 配电系统电力电子变压器拓扑结构综述[J]. 电工电能新技术, 2015, 34(3): 41-48.
Chen Qichao, Ji Yanchao, Pan Yanlin, et al. Review of power electronic transformer topologies applied to distribution system[J]. Advanced Technology of Electrical Engineering and Energy, 2015, 34(3): 41-48.
[4] 兰征, 涂春鸣, 肖凡, 等. 电力电子变压器对交直流混合微网功率控制的研究[J]. 电工技术学报, 2015, 30(23): 50-57.
Lan Zheng, Tu Chunming, Xiao Fan, et al. The power control of power electronic transformer in hybrid AC-DC microgrid[J]. Transactions of China Electro- technical Society, 2015, 30(23): 50-57.
[5] 卢子广, 赵刚, 杨达亮, 等. 配电网电力电子变压器技术综述[J]. 电力系统及其自动化学报, 2016, 82(5): 49-54.
Lu Ziguang, Zhao Gang, Yang Daliang, et al. Over- view of research on power electronic transformer in distribution network[J]. Proceedings of the CSU- EPSA, 2016, 82(5): 49-54.
[6] 张祥龙, 周晖, 肖智宏, 等. 电力电子变压器在有源配电网无功优化中的应用[J]. 电力系统保护与控制, 2017, 45(4): 80-85.
Zhang Xianglong, Zhou Hui, Xiao Zhihong, et al. Power electronic transformer applied to optimization of reactive power in active distribution system[J]. Power System Protection and Control, 2017, 45(4): 80-85.
[7] Kang M, Enjeti P N, Pitel I J. Analysis and design of electronic transformers for electric power distribution system[C]//IEEE Industry Application Society Annual Meeting, 1997.
[8] 王婷, 王广柱, 张勋. 基于模块化多电平矩阵变换器的电力电子变压器控制策略[J]. 电工技术学报, 2016, 31(18): 108-115.
Wang Ting, Wang Guangzhu, Zhang Xun. The control strategy of power electronic transformer based on modular multilevel matrix converters[J]. Transactions of China Electrotechnical Society, 2016, 31(18): 108-115.
[9] Manjrekar M D, Kiefemdorf R, Venkataramananl G. Power electronic transformers for utility appli- cations[C]//IEEE Industry Applications Conference, Rome, Italy, 2000, doi:10.1109/IAS.2000.883173.
[10] 王杉杉, 王玉斌, 林意斐, 等. 级联型电力电子变压器电压与功率均衡控制方法[J]. 电工技术学报, 2016, 31(22): 92-99.
Wang Shanshan, Wang Yubin, Lin Yifei, et al. Voltage and power balance control for cascaded multilevel converter based power electronic trans- former[J]. Transactions of China Electrotechnical Society, 2016, 31(22): 92-99.
[11] Zhao Biao, Song Qiang, Liu Wenhua. A practical solution of high-frequency-link bidirectional solid- state transformer based on advanced components in hybrid microgrid[J]. IEEE Transactions on Industrial Electronics, 2015, 62(7): 4587-4597.
[12] Vasiladiotis M, Rufer A. A modular multiport power electronic transformer with integrated split battery energy storage for versatile ultrafast EV charging stations[J]. IEEE Transactions on Industrial Elec- tronics, 2015, 62(5): 3213-3222.
[13] 冯宇鹏, 吴金龙, 王先为, 等. 电网不平衡故障下电力电子变压器控制策略[J]. 电力建设, 2016, 37(7): 84-90.
Feng Yupeng, Wu Jinlong, Wang Xianwei, et al. Control strategy of power electronic transformer under unbalanced grid fault[J]. Electric Power Construction, 2016, 37(7): 84-90.
[14] Wang Xinyu, Liu Jinjun, Ouyang Shaodi, et al. Research on unbalanced-load correction capability of two power electronic transformer topologies[J]. IEEE Transactions on Power Electronics, 2015, 30(6): 3044-3056.
[15] 李子欣, 王平, 楚遵方, 等. 面向中高压智能配电网的电力电子变压器研究[J]. 电网技术, 2013, 37(9): 2592-2601.
Li Zixin, Wang Ping, Chu Zunfang, et al. Research on medium- and high-voltage smart distribution grid oriented power electronic transformer[J]. Power System Technology, 2013, 37(9): 2592-2601.
[16] 赵彪, 宋强, 刘文华, 等. 用于柔性直流配电的高频链直流固态变压器[J]. 中国电机工程学报, 2014, 34(25): 4295-4303.
Zhao Biao, Song Qiang, Liu Wenhua, et al. High- frequency-link DC solid state transformers for flexible DC distribution[J]. Proceedings of the CSEE, 2014, 34(25): 4295-4303.
[17] 赵彪, 于庆广, 孙伟欣. 双重移相控制的双向全桥DC-DC 变换器及其功率回流特性分析[J]. 中国电机工程学报, 2012, 32(12): 43-50.
Zhao Biao, Yu Qingguan, Sun Weixin. Bi-directional full-bridge DC-DC converters with dual-phase- shifting control and its backflow power characteristic analysis[J]. Proceedings of the CSEE, 2012, 32(12): 43-50.
[18] Dujic D, Zhao Chuanhong, Mester A, et al. Power electronic traction transformer-low voltage proto- type[J]. IEEE Transactions on Power Electronics, 2013, 28(12): 5522-5534.
[19] 武琳. 级联型电力电子变压器控制策略研究[D]. 北京: 北京交通大学, 2014.
[20] 李子欣, 高范强, 徐飞, 等. 中压配电网用10kVac- 750Vdc/1MVA 电力电子变压器功率密度影响因素研究[J]. 电工电能新技术, 2016, 36(6): 1-6.
Li Zixin, Gao Fanqiang, Xu Fei, et al. Power density analysis of 10kVac-750Vdc /1MVA power electronic transformer/solid-state transformer for medium voltage distribution grid[J]. Advanced Technology of Electrical Engineering and Energy, 2016, 36(6): 1-6.
[21] 吴剑. 模块级联型三相固态变压器及其控制策略的研究[D]. 杭州: 浙江大学, 2015.
[22] 季振东. 级联型电力电子变压器关键技术研究[D]. 南京: 东南大学, 2015.
[23] 王姗姗, 周孝信, 汤广福, 等. 模块化多电平HVDC 输电系统子模块电容值的选取和计算[J]. 电网技术, 2011, 35(1): 26-32.
Wang Shanshan, Zhou Xiaoxin, Tang Guangfu, et a. Selection and calculation for sub-module capacitance in modular multi-level converter HVDC power transmission system[J]. Power System Technology, 2011, 35(1): 26-32.
[24] 祝国平, 阮新波, 王学华, 等. 两级式单相逆变器二次纹波电流的抑制与动态特性的改善[J]. 中国电机工程学报, 2013, 33(12): 72-80.
Zhu Guoping, Ruan Xinbo, Wang Xuehua, et al. Suppression of the second harmonic current and improvement of the dynamic performance for two- stage single-phase inverters[J]. Proceedings of the CSEE, 2013, 33(12): 72-80.