| 引用本文: | 牛文娟,李 扬,王 磊.基于风险评估和机会约束的不确定性可中断负荷优化调度[J].电力自动化设备,2016,36(4): |
| NIU Wenjuan,LI Yang,WANG Lei.Optimal dispatch of uncertain interruptible loads based on risk assessment and chance constraint[J].Electric Power Automation Equipment,2016,36(4): |
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| 摘要: |
| 用户响应的不确定性使得电力公司调用可中断负荷的总成本存在不确定性，还会面临负荷削减不足或过多的风险。对可中断负荷项目中的不确定性进行分析，提出基于风险评估和机会约束的不确定性可中断负荷优化决策方法，在目标函数中同时考虑固定补偿成本和不确定性成本，更为合理地反映调用可中断负荷资源的总成本，在约束条件中采用置信水平来衡量削减需求约束的满足情况。算例分析表明所提方法不仅可以考虑对可中断用户的补偿价格，还能考虑惩罚价格和用户响应可靠程度的影响，并促使用户提高响应可靠程度，降低调用可中断负荷的总成本。 |
| 关键词: 可中断负荷 需求响应 不确定性分析 风险评估 机会约束规划 优化 负荷调度 |
| DOI： |
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| 基金项目:国家高技术研究发展计划（863计划）资助项目（2011-AA05A115）；国家自然科学基金资助项目（51277028） |
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| Optimal dispatch of uncertain interruptible loads based on risk assessment and chance constraint |
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NIU Wenjuan, LI Yang, WANG Lei
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School of Electrical Engineering，Southeast University，Nanjing 210096，China
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| Abstract: |
| The uncertainty of customer response results in the uncertainty of total IL（Interruptible Load） dispatch cost of electric power company and increases the risk of improper load shedding. The uncertainty of IL program is analyzed and a scheme of optimal uncertain IL dispatch based on the risk assessment and chance constraint is proposed，which considers both the fixed compensation cost and the uncertainty cost in the objective function to more rationally reflect the total cost of IL resource dispatch，and adopts the confidence level in the constraint to measure the satisfaction level of load-shedding requirement. Case analysis shows that，the proposed scheme considers not only the compensation price of IL but also the impacts of penalty price and customer response reliability，which promotes the improvement of customer response reliability and reduces the total cost of IL dispatch. |
| Key words: interruptible load demand response uncertainty analysis risk assessment chance constraint programming optimization electric load dispatching |
