In order to quantify the symmetry of power flow Jacobian matrix,the related indices are established,and the simulation on IEEE118 system shows the effectiveness.

• 针对潮流雅可比矩阵的对称性问题,根据矩阵的奇异值建立了衡量潮流雅可比矩阵的对称性指标,IEEE118系统算例表明了其有效性。