电-气多能源微网能流差异化求解

被引:11
作者
彭寒梅
刘健锋
李才宝
苏永新
谭貌
机构
[1] 湘潭大学自动化与电子信息学院
基金
湖南省自然科学基金;
关键词
多能源微网; 能流计算; 差异化求解; 解析函数; 递推求解;
D O I
暂无
中图分类号
TM744 [电力系统的计算];
学科分类号
080802 [电力系统及其自动化];
摘要
多能源微网可实现配网/用户侧的多能源互联,是实现能源利用提质增效的重要切入点。本文针对多能源微网中EH运行模式的多样性,及电力网络与天然气网络能流特性的差异,提出一种电-气多能源微网能流差异化求解方法:分解求解电力网络与天然气网络,基于解析函数递推求解电力网络能流,采用线性逼近法求解天然气网络能流。对EH进行节点类型处理,建立其能流计算模型;求解电力网络时,构造电力节点的解析函数方程,将未知变量的解析函数表示成幂级数,递推求解出其有限项幂级数的系数,再构造有限项幂级数的Padé近似式判断解的可行性。对电-气多能源微网算例系统采用所提方法进行能流计算,验证其正确性和有效性。
引用
收藏
页码:10 / 21
页数:12
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