基于光伏模拟器的虚增电量特性分析与检测方法Feature Analysis and Detection Method Research of Inflated Electricity Using PV Generation Simulator
谢云云;袁晓冬;孙正洋;史明明;殷明慧;邹云;
摘要(Abstract):
光伏电站运行中存在虚增电量的情况,造成补贴费用增加和安全隐患。由于光伏发电测量和预测的误差,现有基于光伏发电实时测量值与预测值的识别方法难以识别虚增电量。因此,针对基于光伏模拟器的虚增电量方式,分析虚增电量前后的系统功率分布,发现关口电表数据随光伏计量表数据变化的斜率在是否虚增电量时具有差别,提出将该斜率作为虚增电量的检测指标;针对检测指标难以直接计算的问题,提出采用1 d的关口电表和光伏计量表数据,基于最小二乘法计算检测指标,从而判断是否存在虚增电量问题的检测方法。仿真结果和实验结果表明,虚增电量检测方法的计算结果与理论值误差较小,能够用于不同季节、不同光照条件、不同程度的光伏模拟器虚增电量问题的检测。
关键词(KeyWords): 光伏发电;虚增电量;识别指标;最小二乘法
基金项目(Foundation): 国家自然科学基金项目(51507080);; 中央高校基本科研业务费专项资金资助(30915011104,30920130121010,30920140112005)~~
作者(Author): 谢云云;袁晓冬;孙正洋;史明明;殷明慧;邹云;
Email:
DOI: 10.13335/j.1000-3673.pst.2016.06.014
参考文献(References):
- [1]周未,朱瑞德,王金全.基于GSM网络的防窃电实时监控系统方案探讨[J].电力自动化设备,2004,24(2):64-66.Zhou Wei,Zhu Ruide,Wang Jinquan.GSM-based monitoring and control system against electricity stealing[J].Electric Power Automation Equipment,2004,24(2):64-66(in Chinese).
- [2]郭立才,彭志炜,范强.电能计量及反窃电方法综述[J].高压电器,2010,46(5):86-88.Guo Licai,Peng Zhiwei,Fan Qiang.A survey of electric energy metering and countermeasures to electric power stealing[J].High Voltage Apparatus,2010,46(5),86-88(in Chinese).
- [3]杨体.对电能表防窃电的分析[J].电力自动化设备,2002,22(3):84-85.Yang Ti.Analysis on prevention of electricity filching at kilowatthour meter[J].Electric Power Automation Equipment,2002,22(3):84-85(in Chinese).
- [4]国家电网公司,国网天津市电力公司.光伏发电防作弊系统:CN201310310029.5[P].2013-11-13.
- [5]国家电网公司,江苏省电力公司,江苏省电力公司电力科学研究院.基于光伏发电功率预测的防窃电监测方法:CN201310358442.9[P].2013-12-11.
- [6]国家电网公司,中国电力科学研究院.一种高压用户光伏发电电能计量系统及其方法:CN1310319469.7[P].2013-10-23.
- [7]国家电网公司,中国电力科学研究院.一种低压用户光伏发电电能计量系统及其方法:CN201310318369.2[P].2013-12-11.
- [8]陈黎军.分布式光伏发电并网对配电网安全的影响分析[J].电力安全技术,2014,16(8):13-17.Chen Lijun.Analysis of effect of distributed photovoltaic power generation and network security[J].Electric Safety Technology,2014,16(8):13-17(in Chinese).
- [9]刘阳力.单相电子式防窃电电能表设计[D].长沙:湖南大学,2008.
- [10]张伊辉,马延峰,韩平军,等.电力负荷管理终端防电流法窃电装置研制[J].电力自动化设备,2009,29(11):132-135.Zhang Yihui,Ma Yanfeng,Han Pingjun,et al.Theft proof device for power load management terminal[J].Electric Power Automation Equipment,2009,29(11):132-135(in Chinese).
- [11]韩颖.窃电网络特征分析及其判定方法[D].北京:华北电力大学,2008.
- [12]曹峥.反窃电系统的研究与应用[D].上海:上海交通大学,2011.
- [13]Liu J,Lan H,Fu Y,et al.Analyzing electricity consumption via data mining[J].Wuhan University Journal of Natural Sciences,2012,17(2):121-125.
- [14]胡琛.数据挖掘技术在电量管理与反窃电系统中的应用与研究[D].武汉:武汉大学,2004.
- [15]Angelos E W S,Saavedra O R,Cortés O A C,et al.Detection and identification of abnormalities in customer consumptions in power distribution systems[J].IEEE Transactions on Power Delivery,2011,26(4):2436-2442.
- [16]Nagi J,Yap K S,Tiong S K,et al.Detection of abnormalities and electricity theft using genetic Support Vector Machines[C]//IEEE Region 10 Conference,2008:1-6.
- [17]Nagi J,Yap K S,Tiong S K,et al.Nontechnical loss detection for metered customers in power utility using support vector machines[J].IEEE Transactions on Power Delivery,2010,25(2):1162-1171.
- [18]Nizar A H,Dong Z Y,Wang Y.Power utility nontechnical loss analysis with extreme learning machine method[J].IEEE Transactions on Power Systems,2008,23(3):946-955.
- [19]王忠东,黄奇峰,赵双双,等.分布式光伏发电并网计量点配置研究[J].电力需求侧管理,2013,15(6):38-41.Wang Zhongdong,Huang Qifeng,Zhao Shuangshuang,et al.Research on configuration of metering points and distributed photovoltaic power generation[J].Power Demand Side Management,2013,15(6):38-41(in Chinese).
- [20]于辉,周成,刘海涛,等.分布式光伏发电项目电能计量及接线分析[J].电测与仪表,2014,51(20):7-10.Yu Hui,Zhou Cheng,Liu Haitao,et al.Analysis on the electric energy metering and wiring of distributed photovoltaic power generation projects[J].Electrical Measurement&Instrumentation,2014,51(20):7-10(in Chinese).
- [21]曹伟.基于DSP的数字光伏模拟器研究[D].合肥:合肥工业大学,2009.
- [22]张丹,王杰.国内微电网项目建设及发展趋势研究[J].电网技术,2016,40(2):451-458.Zhang Dan,Wang Jie.Research on construction and development trend of micro-grid in China[J].Power System Technology,2016,40(2):451-458(in Chinese).
- [23]黄宏清,朱冉,郑洁,等.基于DSP自动准同期装置可靠捕捉合闸时机的研究[J].江苏电机工程,2010,29(6):68-70.Huang Hongqing,Zhu Ran,Zhen Jie,et al.Research on reliable grasping of quasi-synchronization point of switch with DSP[J].Jiangsu Electrical Engineering,2010,29(6):68-70(in Chinese).
- [24]程云峰,陆超.复数域加权最小二乘法在相量量测状态估计中的应用[J].电网技术,2014,38(3):700-706.Cheng Yunfeng,Lu Chao.Application of complex field weighted least square algorithm in phasor measurement state estimation[J].Power System Technology,2014,38(3):700-706(in Chinese).
- [25]苏剑,周莉梅,李蕊.分布式光伏发电并网的成本/效益分析[J].中国电机工程学报,2013,33(34):50-56.Su Jian,Zhou Limei,Li Rui.Cost-benefit analysis of distributed grid-connected photovoltaic power generation[J].Proceedings of the CSEE,2013,33(34):50-56(in Chinese).