| 计及功率预测误差的交直流混合微电网多时间尺度优化运行方法 |
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| 引用本文： | 华浩瑞,李鹏.计及功率预测误差的交直流混合微电网多时间尺度优化运行方法[J].电力建设,2016(12):40-47. |
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| 作者姓名： | 华浩瑞 李鹏 |
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| 作者单位： | 新能源电力系统国家重点实验室 华北电力大学,河北省保定市,071003 |
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| 基金项目： | 国家高技术研究发展计划项目(863计划)(2015AA050104)；国家自然科学基金项目(51577068) Project supported by National High Technology Research and Development of China (863 Program )(2015AA050104)；National Natural Science Foundation of China(51577068) |
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| 摘 要： | 为了提高交直流混合微电网优化运行的适用性,针对交直流混合微电网特殊的网架结构和电气特性,基于两层时间尺度建立了计及功率预测误差的交直流混合微电网多时间尺度优化运行模型。首先,在h级时段,利用日前风光出力、负荷水平预测数据来制定日前经济调度方案。然后,在实时15 min级时段,检测在日前h级调度方案下的不平衡功率偏差,制定不平衡功率调整计划,该计划能够最大程度降低调整费用或者提高调整收益。最后通过算例验证所提方法的有效性。
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| 关 键 词： | 交直流混合微电网 优化运行 多时间尺度 功率预测误差 不平衡功率调整 帝国竞争算法 |
Multiple Time Scale Optimal Operation Method of AC/DC Hybrid Microgrid Considering Power Prediction Error |
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| Abstract: | According to the special grid structure and electrical characteristics of AC/DC hybrid microgrid, this paper proposes the multiple time scale optimal operation model of AC/DC hybrid microgrid with considering power prediction error based on two layers of time scale, in order to improve the applicability of the optimal operation of AC/DC hybrid microgrid. Firstly, in hour-period, the day ahead scheduling scheme is formulated through wind, photovoltaic and load prediction curve of next day. Then, in real time 15 minutes-period, an unbalanced power adjustment plan is developed by the detection of unbalanced power errors under the the day ahead scheme, which can maximize the adjustment costs or minimize the adjustment income. Finally, the effectiveness of the proposed method is verified through a numerical example. |
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| Keywords: | AC/DC hybrid microgrid optimal operation multiple time scale power prediction error unbalanced power adjustment imperialist competition algorithm |
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