發(fā)布時(shí)間：2018-08-20 18:25

【摘要】：為了對(duì)輸電線路帶電作業(yè)的安全距離進(jìn)行更準(zhǔn)確的判定,提出了場(chǎng)強(qiáng)矢量定位方法。建立輸電線路周圍空間的場(chǎng)強(qiáng)計(jì)算模型,根據(jù)場(chǎng)強(qiáng)測(cè)量點(diǎn)處的場(chǎng)強(qiáng)矢量分量和合成場(chǎng)強(qiáng)最大值、場(chǎng)強(qiáng)傳感器的測(cè)量誤差,尋找測(cè)量位置的場(chǎng)強(qiáng)可能接近點(diǎn)坐標(biāo)集,并根據(jù)數(shù)學(xué)聚類方法將坐標(biāo)集劃分為不同的點(diǎn)群。根據(jù)場(chǎng)強(qiáng)測(cè)量點(diǎn)的移動(dòng)特征,確定一個(gè)真實(shí)接近點(diǎn)群中心實(shí)現(xiàn)準(zhǔn)確的跟蹤定位。最后通過(guò)220 k V輸電線路二維場(chǎng)強(qiáng)的仿真算例分析,顯示82.7%場(chǎng)強(qiáng)測(cè)量點(diǎn)的距離誤差≤0.1 m,僅有2.75%的≥0.5 m,根據(jù)測(cè)量點(diǎn)的移動(dòng)特征可使距離誤差基本均減小至0.1 m以下。實(shí)際測(cè)試中,95%次的測(cè)試距離誤差≤0.56 m,5%次的測(cè)試誤差≤1.0 m,基本滿足輸電線路對(duì)于安全距離的測(cè)距要求。仿真和測(cè)試結(jié)果表明了所提方法的有效性,并指出需要進(jìn)一步研究的方向。
[Abstract]:In order to determine more accurately the safe distance of live operation of transmission line, a field intensity vector location method is proposed. The calculation model of the field intensity in the space around the transmission line is established. According to the vector component of the field intensity at the measuring point and the maximum value of the composite field intensity and the measurement error of the field intensity sensor, the field intensity of the measuring position may be close to the coordinate set of the point. The coordinate set is divided into different point groups according to the mathematical clustering method. According to the moving characteristics of field intensity measurement points, an accurate tracking location can be realized by determining a real close to the center of a group of points. Finally, the simulation example of 220kV transmission line shows that the distance error of the measuring point of 82.7% field strength is 鈮，

本文編號(hào)：2194584