Since the proposed algorithm has a constant Jacobian matrix, the calculating time can be significantly reduced, while the calculating precision can also be guaranteed.

该算法具有常数的雅克比矩阵，大大减少了动态状态估计的计算时间，同时保证了动态状态估计的计算精度。

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Power measurements are all transformed to equivalent current measurements that make the Jacobian matrix constant and calculates current real and imaginary part dividualiy.

该算法将配电网中的功率量测变换为电流量测，实现了雅可比矩阵常数化，支路电流实虚部解耦求解。

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