纸质出版:2026
移动端阅览
张玉敏,张涌琛,孟祥剑,叶平峰,吉兴全,王际斌.计及净负荷波动轨迹与火电阶梯爬坡的电力系统优化调度[J].智慧电力,2026,54(4):1-8.
doi:10.20204/j.sp.2026.04001
张玉敏,张涌琛,孟祥剑,叶平峰,吉兴全,王际斌.计及净负荷波动轨迹与火电阶梯爬坡的电力系统优化调度[J].智慧电力,2026,54(4):1-8. DOI: 10.20204/j.sp.2026.04001.
doi:10.20204/j.sp.2026.04001 DOI:
针对现有研究在刻画调度时段内净负荷波动特性及灵活性改造机组深度调峰爬坡行为方面存在的不足,提出一种计及净负荷波动轨迹与火电机组阶梯式爬坡特性的电力系统优化调度方法。首先,从波动幅值与变化速率2个维度表征净负荷波动轨迹,构建调度时段内灵活性需求的量化模型;其次,针对灵活性改造后火电机组在深度调峰阶段的动态响应特性,提出适用于日前调度的阶梯式爬坡速率约束,进而建立考虑时段内波动特性的电力系统优化调度模型;最后,基于6节点测试系统及山东某地实际系统开展仿真分析,结果表明所提模型能更准确反映机组运行状态,有效提升系统运行的经济性与灵活性。
In response to the limitations in existing studies regarding the characterization of net load fluctuation characteristics within dispatch intervals and the deep peak-shaving ramping behavior of flexibility-retrofitted units
this paper proposes an optimization dispatch method for power systems that takes into account both net load fluctuation trajectories and the stepped ramping characteristics of thermal power units. First
the net load fluctuation trajectory is characterized from two dimensions—fluctuation amplitude and variation rate—to construct a quantitative model of flexibility requirements within dispatch intervals. Second
considering the dynamic response characteristics of retrofitted thermal power units during deep peak-shaving stages
stepped ramping rate constraints suitable for day-ahead dispatch are proposed. On this basis
an optimization dispatch model for power systems that considers intra-interval fluctuation characteristics is established. Finally
simulation analyses based on a 6-node test system and a practical system from a region in Shandong Province are conducted. The results show that the proposed model can more accurately reflect unit operating states and effectively enhance the economic efficiency and flexibility of system operation.
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