考虑光伏并网的配电网潮流计算

Abstract
Figure/Table
References
Related Citation (5)

Download: PDF (335 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract In this paper, a short-term prediction approach based on the solar radiation model of weather forecasting system is presented to forecast output power of photovoltaic(PV) system, which uses cloud cover forecast obtained from the meteorological department. Then a new power flow algorithm combining Newton-Raphson method and back/forward sweep method is proposed for the weakly meshed distribution network with the PV generation. The weakly meshed distribution network is equivalent to ring network part and radial network part, and then the power flow of the weakly meshed distribution network with the distributed PV generation can be calculated by applying Newton-Raphson method and back/forward sweep method alternatively to solve the power flow of the ring network and the radial network. Variable convergence precision calculation is used in this new algorithm to ensure the final accuracy and improve computational speed. Finally, the effectiveness of the proposed algorithm is verified by the calculation results of a 28-bus system.

Key words： Radiation intensity PV power prediction distribution network power flow Newton-Raphson method back/forward sweep combined algorithm

Received: 11 September 2012 Published: 25 March 2014

PACS:

TM615

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Wang Zhenshu
	Lin Meijun
	Liu Yan
	Bian Shaorun

Cite this article:

Wang Zhenshu,Lin Meijun,Liu Yan等. Power Flow Algorithm for Distribution Network with Photovoltaic System[J]. Transactions of China Electrotechnical Society, 2013, 28(9): 178-185.

URL:

http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I9/178

[1] Liserre M, Sauter T, Hung J Y. Future energy systems: integrating renewable energy sources into the smart power grid through industrial electronics[J]. IEEE Industrial Electronics Magazine, 2008, 4(1): 18-37.
[2] Kato T, Yamawaki H, Suzuoki Y. A study on dumping power flow fluctuation at grid-connection point of residential micro-grid with clustered photovoltaic power generation systems[C]. 2009 IEEE PES/IAS Conference on Sustainable Alternative Energy (SAE), 2009: 1-6.
[3] 车仁飞, 李仁俊. 一种少环配电网三相潮流计算新方法[J]. 中国电机工程学报, 2003, 23 (1): 74-79.
Che Renfei, Li Renjun. A new three-phase power flow method for weakly meshed distribution systems[J]. Proceedings of the CSEE, 2003, 23(1): 74-79.
[4] Teng J H. Unsymmetrical open-conductor analysis for unbalanced weakly meshed distribution systems[J]. IET Generation Transmission & Distribution, 2011, 5(1): 136-143.
[5] 王志群, 朱守真, 周双喜, 等. 分布式发电对配电网电压分布的影响[J]. 电力系统自动化, 2004, 28(16): 56-60.
Wang Zhiqun, Zhu Shouzhen, Zhou Shuangxi, et al. Impact of distribution generation on distribution system voltage profile[J]. Automation of Electric Power System, 2004, 28(16): 56-60.
[6] 陈昌松, 段善旭, 殷进军. 基于神经网络的光伏阵列发电预测模型的设计[J]. 电工技术学报, 2009, 24(9): 153-158.
Chen Changsong, Duan Shanxu, Yin Jinjun. Design of photovoltaic array power forecasting model based on neutral network[J]. Transactions of China Electrote- chnical Society, 2009, 24(9): 153-158.
[7] Mellit A, Arab A H, Khorissi N, et al. An ANFIS-based forecasting for solar radiation data from sunshine duration and ambient temperature[C]. IEEE Power Engineering Society General Meeting, Tampa, FL, USA, 2007: 7-12.
[8] Yona A, Senjyu T, Funabashi T. Application of recurrent neural network to short-term-ahead generating power forecasting for photovoltaic system[C]. IEEE Power Engineering Society General Meeting, 2007: 1-6.
[9] Li Yingzi, Luan Ru, Niu Jincang. Forecast of power generation for grid-connected photovoltaic system based on grey model and Markov chain[C]. 3rd IEEE Conference on Industrial Electronics and Applications, 2008: 1729-1733.
[10] Chokri B S, Anouar B M, Mohamed O. Wavelet autoregressive forecasting of climatic parameters for photovoltaic systems[C]. 8th International Multi- Conference on Systems Signals and Devices, 2011: 1-6.
[11] Huang Jing, Zhang XiaoFeng, Ye ZhiHao. A combined load flow method for large shipboard power systems[C]. Proceedings of Asia-Pacific Power and Energy Engineering Conference, Wuhan, China, 2009.
[12] Stuart D Smith, Fred W Dobson. The heat budget at ocean weather station Bravo[J]. Atmosphere-Ocean, 1984, 22(1): 1-22.
[13] 刘浩, 尹宝树. 一个可用于实时计算的太阳辐射模型[J]. 海洋与湖沼, 2006, 37(6): 493-497.
Liu Hao, Yin Baoshu. A real-time irradiation model[J]. Oceanologia et Limnologia Sinica, 2006, 37(6): 493-497.
[14] 周芳, 胡明辅, 周国平. 铅垂面上太阳辐射计算方法探讨[J]. 建筑智能, 2007, 35(5): 55-59.
Zhou Fang, Hu Mingfu, Zhou Guoping. Calculation method of solar radiation on vertical plane[J]. Construction Conserves Energy, 2007, 35(5): 55-59.
[15] 崔容强, 赵春江, 吴达成. 并网型太阳能光伏发电系统[M]. 北京: 化学工业出版社, 2007.
[16] 赵波, 薛美东, 葛晓慧, 等. 光伏发电系统输出功率计算方法研究[J]. 电网与清洁能源, 2010, 26(7): 19-24.
Zhao Bo, Xue Meidong, Ge Xiaohui. Research on calculating methods of output power of the photovoltaic system[J]. Power System and Clean Energy, 2010, 26(7): 19-24.
[17] Villalva M G, Gazoli J R , Filho E R. Comprehensive approach to modeling and simulation of photovoltaic arrays[J]. IEEE Transactions on Power Electronics, 2009, 24(5): 1198-1208.
[18] 茆美琴, 余世杰, 苏建徽. 带有MPPT功能的光伏阵列 Matlab通用仿真模型[J]. 系统仿真学报, 2005, 17(5): 1248-1251.
Mao Meiqin, Yu Shijie, Su Jianhui. Versatile Matlab simulation model for photovoltaic array with MPPT function[J]. Journal of System Simulation, 2005, 17(5): 1248-1251.
[19] 蒋建东, 张笑, 王世果, 等. 少环配电网短路故障计算新方法[J]. 电力系统自动化, 2010, 34(12): 44-47.
Jiang Jiandong, Zhang Xiao, Wang Shiguo, et al. A new method for short circuit fault calculation of weakly meshed distribution networks[J]. Automation of Elecric Power Systems, 2010, 34(12): 44-47.
[20] 蔡中勤, 郭志忠. 基于逆流编号法的辐射形配电网牛顿法潮流[J]. 中国电机工程学报, 2000, 20(6): 13-16.
[21] 王守相, 阮同军, 刘玉田. 配电网潮流计算的回路阻抗法[J]. 电力系统及其自动化学报, 1998, 10(1): 12-16.
Wang Shouxiang, Ruan Tongjun, Liu Yutian. Distribution system power flow based on loop- impedance equations[J]. Proceedings of the CSU- EPSA, 1998, 10(1): 12-16.
[22] 贾晓峰, 颜伟, 周家启, 等.复杂电网的分层解耦潮流算法[J]. 中国电机工程学报, 2010, 30(7): 56-61.
Jia Xiaofeng, Yan Wei, Zhou Jiaqi, et al. Layer-decoupled power flow algorithm for complex networks[J]. Proceedings of the CSEE, 2010, 30(7): 56-61.
[23] 顾晨, 乐秀璠, 张晓明. 基于改进前推回代法的弱环配电网三相潮流计算[J]. 电力系统保护与控制, 2010, 38(19): 160-164.
Gu Chen, Le Xiupan, Zhang Xiaoming. Three-phase power flow method for weakly meshed distribution systems based on modified back/forward sweep method[J]. Power System Protection and Control, 2010, 38(19): 160-164.
[24] 王守相, 李继平, 王成山, 等. 配电网三相潮流算法比较研究[J]. 电力系统及其自动化学报, 2000, 12(2): 26-31.
Wang Shouxiang, Li Jiping, Wang Chengshan, et al. Comparision and research on thee phase power flow methods for distribution systems[J]. Proceedigns of he CSU-EPSA, 2000, 12(2): 26-31.
[25] Moises P Costa. Loss allocation in distfibution networks with embedded generation[J]. IEEE Transactions on Power Delivery, 2004, 19(1): 384-389.