Unbalanced Three-Phase Power Flow Calculation Based on Newton Method for Micro-Grid

被引：0
|
作者：
Jiang Guixiu [1 ]
Shu Jie [1 ]
Wu Zhifeng [1 ]
Zhang Xianyong [1 ]
机构：
[1] Chinese Acad Sci, Guangzhou Inst Energy Convers, Beijing 100864, Peoples R China
来源：
INSTRUMENTATION, MEASUREMENT, CIRCUITS AND SYSTEMS | 2012年 / 127卷
关键词：
Three-phase power flow; Newton method; weakly looped network; DISTRIBUTION-SYSTEM ANALYSIS;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Because of the connection of distributed generation to energy complementary micro-grid, there are multi-supplying points and loop net which have serious influence on electric network tide and voltage regulation. Based on the models of different distributed generation and energy storage elements in power flow calculation, an unbalanced three-phase power flow calculation based on Newton method for micro-grid is presented. in view of three-phase unbalance and loop net of the micro-grid. The conventional steps of forming the Jacobian matrix, LU factorization and forward/back substitution in Newton method are replaced by back/forward sweeps on radial feeders with equivalent impedances, so that the calculation speed is proved. The example proved that the proposed method is efficient and feasible.
引用
收藏
页码：965 / 972
页数：8
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