But its estimation quality is worse than Weighted least squares method and it is noneffective while the real or reactive power measurements is not appear as a pair in power grid.

• 充分利用配电系统量测配置多的特点,将电流量测作为已知量带入状态估计计算,克服了等效电流量测变换算法无法处理单个的有功或者无功量测的不足。