针对现有居住建筑柔性用能负荷优化调控研究未充分考虑不同设备在使用时间规律上因功能互补性与用户习惯性而具有的关联特性,导致优化调控的计算值和实际值之间存在较大偏差的问题,提出一种考虑用能负荷关联的居住建筑柔性用能负荷优化调控模型,在仅考虑时间重叠性负荷关联（情景1）、仅考虑时间顺序性负荷关联（情景2）和同时考虑两种负荷关联（情景3）3种不同情景下,采用CPLEX求解器计算求解以经济性为目标的典型居住建筑柔性用能负荷优化调控模型。结果表明,在具有关联特性的常见居住建筑负荷集合内,炊事活动负荷集合内的各类负荷之间具有时间重叠性和时间顺序性两种关联特性,而生活热水负荷集合和洗衣活动负荷集合内的各类负荷则只包含时间顺序性关联特性。另外,与不考虑负荷关联的柔性用能负荷优化调控结果相比,情景1、情景2和情景3下用户用电成本增加比例分别为0.00%、7.57%、7.57%,由此可知时间顺序性负荷关联特性因对柔性用能负荷优化调控结果影响较大而不可忽略。
Abstract
In view of the problem that the existing researchs on the optimal scheduling of flexible load in residential buildings does not fully consider the correlation characteristics of different devices due to functional complementarity and user habituality in the use time law, resulting in a large deviation between the calculated value and the actual value of optimization scheduling, a model considering load correlation is proposed for the optimal scheduling of flexible loads in residential buildings. The model, aimed at economic efficiency, was then solved using the CPLEX solver under three different scenarios： that consideriing only temporal overlapping load correlation （scenario 1）; that considering temporal order load correlation （scenario 2）; and that considering both types of load correlation simultaneously （scenario 3）. The results show that： in the load set of common residential buildings with correlation characteristics, the various loads in the cooking load set have temporal overlapping and temporal order load correlations, while the various loads in the domestic hot water load set and the laundry load set only contain the temporal order load correlation. In addition,compared with the results of flexible load optimization scheduling without considering load correlation, the increase proportions of users' electricity costs in scenarios 1, 2 and 3 are 0.00%, 7.57% and 7.57%, respectively, which shows that the timporal order load correlation characteristics cannot be ignored because they have a great influence on the optimal scheduling results of flexible load.
关键词
需求侧管理 /
关联规则 /
优化调控 /
柔性负荷 /
CPLEX
Key words
demand-side management /
correlation rules /
optimal regulation /
flexible load /
CPLEX
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基金
国家自然科学基金面上项目（52378109）; 陕西省创新能力支撑计划-青年科技新星项目（2023KJXX-043）; 陕西省科协青年人才托举计划（20220425）
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