Then , based on the estimation algorithm decomposing the measurement of voltage scope and power scope , the problems of the location of transformation tap settings and the tide current estimation of zero - impedance branches in state estimation are solved ; and detection and identification of bad data in state estimation are deduced and stimulated , also a hybrid method of detection and identification is brought forward 隨后,在基于分解電壓測(cè)量量和功率測(cè)量量的估計(jì)算法的基礎(chǔ)上,對(duì)狀態(tài)估計(jì)中經(jīng)常出現(xiàn)的變壓器抽頭位置問(wèn)題和零阻抗支路潮流估計(jì)問(wèn)題進(jìn)行了分析和處理;對(duì)狀態(tài)估計(jì)的不良數(shù)據(jù)檢測(cè)與識(shí)別方法進(jìn)行了推導(dǎo)和仿真,并提出了一種混合檢測(cè)方法。