Improved Ward Equivalent Modeling Method for Interconnected Power Grids Based on Sensitivity Matrix

Author:

Hao Wenbin1,Zhang Yong1,Xie Bo1,Meng Zhigao1,Chen Jianhua1

Affiliation:

1. State Grid Sichuan Electric Power Company,Chengdu Power Supply Company,Chengdu,China

Funder

Science and Technology Project of State Grid

Publisher

IEEE

Reference18 articles.

1. A grid operation mode optimization method for controlling short-circuit current level based on WARD equivalence;lou;Power system protection and control,2017

2. Extended voltage-source-branch ward equivalent-circuit model of external network and its application in state estimation;li;Power system protection and control,2018

3. A method to implement Ward equivalent based on power flow calculation and short circuit calculation;xu;Power system protection and control,2018

4. Equivalence Method of Power Grid Based on Boundary Branch;xing;Southern Power System Technology,2021

5. Dynamic REI equivalents for short circuit and transient stability analyses

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