计及电–气–热IES动态特性的输配协同机组组合

被引:40
作者
张玉敏 [1 ]
张旋 [1 ]
吉兴全 [1 ]
韩学山 [2 ]
王成福 [2 ]
于一潇 [2 ]
机构
[1] 山东科技大学电气与自动化工程学院
[2] 电网智能化调度与控制教育部重点实验室(山东大学)
关键词
机组组合; 综合能源系统; 输配协同; 动态特性; 分布不确定性;
D O I
暂无
中图分类号
TM73 [电力系统的调度、管理、通信];
学科分类号
120103 [信息系统与信息管理];
摘要
为充分发挥主动配电网提高电力系统灵活性和消纳可再生能源的潜力,该文提出一种计及综合能源系统(integrated energy system,IES)动态特性的主动配电网与输电网协同机组组合模型。一方面引入电–气–热综合能源系统实现多能耦合,使主动配电网对多能互补的支持融入到输电网的调度优化中;另一方面,为提高调度决策的灵活性,将天然气网与热网的动态特性纳入到输配协同机组组合模型中。基于此模型,根据电–气–热IES多能耦合特性和输-配物理互联特征构建协同优化框架。以联络线交换功率作为耦合变量,将其等效为虚拟能源站,采用目标级联分析法对所提模型进行解耦,从而得到一个独立的输电网优化问题和多个主动配电网局部优化问题。为提高计算效率,采用增量分段方法处理天然气Weymouth方程的非凸性,将该文模型转换为混合整数线性规划问题,保证迭代过程的收敛性,进一步降低计算负担。以T6D2系统和T118D10系统为例,验证所提模型和方法的有效性。
引用
收藏
页码:8576 / 8592
页数:17
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