An Improved Network Partition Method of Voltage Control Considering Coordinated Active and Reactive Power Sources

2018 2nd International Conference on Environmental and Energy Engineering

生态环境科学;能源学

Zhang, Sh.^1 ; Huang, Y.^2 ; Liu, B. Zh.^2

Electric Power Research Institute, State Grid Ningxia Electric Power Co Ltd., Yinchuan, China^1

School of Electrical and Electronic Engineering, North China Electric Power University, Beijing, China^2

关键词: Active and Reactive Power;    Calculation process;    Electrical distance;    Mapping algorithms;    Power flow equations;    Reactive power compensation;    Sensitivity expressions;    Sensitivity-matrix;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/146/1/012064/pdf
DOI  :  10.1088/1755-1315/146/1/012064

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

In order to coordinate distributed generarions and reactive power compensation equipment to improve the voltage level, this paper proposes an improved network partition method of voltage control considering coordinated active and reactive power sources. According to the basic theory of the Newton-Raphson method, the sensitivity expression of the node voltage vs the node active power, the node voltage vs the node reactive power are deduced from the modified power flow equations. Two kinds of sensitivity matrices are calculated by the perturbation power flow calculation. The calculation process and steps are introduced respectively. Based on these two sensitivity matrices, a kind of comprehensive sensitivity matrix is synthesized. The electrical distance matrix is calculated to complete mapping the load nodes ino the corresponding voltage control region with the help of mapping algorithm. The validity of the proposed method is verified with the simulation results of IEEE 33 nodes.