At the end , we confirmed the feasibility and veracity of this iterative calculation method by resolving a three - dimension calculation example of 220kv line composite insulator 應(yīng)用本文算法對(duì)220kv合成絕緣子三維電場(chǎng)進(jìn)行了分析,所得結(jié)果表明,有限元與邊界元迭代求解方法是可行的,計(jì)算精度達(dá)到了工程設(shè)計(jì)要求。