| 引用本文: | 张卫东,刘祖明,王振洲,申兰先.基于全年辐照数据的多路径光伏柔性并网的经济性对比[J].电力自动化设备,2014,34(9): |
| ZHANG Weidong,LIU Zuming,WANG Zhenzhou,SHEN Lanxian.Economic comparison among multiple schemes of photovoltaic flexible grid-connection based on annual irradiance data[J].Electric Power Automation Equipment,2014,34(9): |
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| 基于全年辐照数据的多路径光伏柔性并网的经济性对比 |
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张卫东1,2,3,4, 刘祖明2,3,4, 王振洲1, 申兰先2,3,4
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1.成都军区昆明总医院，云南 昆明 650032;2.云南师范大学 太阳能研究所，云南 昆明 650092;3.云南师范大学 云南省农村能源工程重点实验室，云南 昆明 650092;4.云南师范大学 教育部可再生能源材料先进技术与制备重点实验室，云南 昆明 650092
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| 摘要: |
| 以实现光伏柔性并网的多路径为研究对象，通过多个光伏柔性并网路径的经济性比较，评价各路径的优劣。基于全年辐照数据仿真得到1 MW光伏阵列全年的输出功率曲线，采用功率缩减技术弥补蓄电池充电功率不足的缺陷，并与不同额度的蓄电池数量相结合得到实现柔性并网的7条技术路径，再采用惩罚电价法、净现值折算法及收支平衡分析法，分析了各路径的电量超标率及平衡点惩罚率。数据分析结果说明，以电量超标率和平衡点惩罚率为指标评价，功率缩减技术分别与低、中额度蓄电池配置结合的技术路径是最佳选择，而纯功率缩减技术路径的成本优势同样不应被忽视。 |
| 关键词: 光伏阵列 柔性并网 多路径 辐照 经济性 电量超标率 平衡点惩罚率 低通滤波算法 蓄电池 |
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| 基金项目:国家自然科学基金面上项目（51367019） |
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| Economic comparison among multiple schemes of photovoltaic flexible grid-connection based on annual irradiance data |
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ZHANG Weidong1,2,3,4, LIU Zuming2,3,4, WANG Zhenzhou1, SHEN Lanxian2,3,4
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1.Kunming General Hospital of Chengdu Military Command，Kunming 650032，China;2.Solar Research Institution，Yunnan Normal University，Kunming 650092，China;3.Key Laboratory of Yunnan Provincial Renewable Energy Engineering，Yunnan Normal University，Kunming 650092，China;4.Key Laboratory of Renewable Energy Advanced Materials and Manufacturing Technology，Ministry of Education，Yunnan Normal University，Kunming 650092，China
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| Abstract: |
| Different feasible photovoltaic flexible grid-connection schemes are assessed by economic comparison. The annual output power curve of 1 MW photovoltaic array is obtained by simulation based on the annual irradiance data. The power curtailment technique is applied to compensate the charging power lack of batteries and seven schemes of photovoltaic flexible grid-connection are achieved by respectively combining it with different amounts of battery. Then the punitive tariff law，net present value method and break-even analysis are applied to calculate the electricity exceeding rate and the equity penalty rates of seven schemes. Data analysis shows that，with two rates as the evaluation indexes，the schemes combining the power curtailment technique with low／mid battery ratios are the best ones，while the scheme with sole power curtailment technique has the cost advantage. |
| Key words: photovoltaic arrays flexible grid-connection multiple schemes irradiance economics electricity exceeding rate equity penalty rate low-pass filter algorithm electric batteries |
