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