基于北斗伪距单点定位模型的高压架空输电线路泛在巡检方法

Extensive Inspection Method of High-Voltage Overhead Transmission Line Based on Beidou Pseud Distance Single Point Positioning Model

受高压线缆之间的电磁扰动影响,高压架空输电线路巡检过程中的定位参量极易出现偏差,导致无法快速精确锁定误差点,影响高压架空输电线路的正常运行,因此提出基于北斗伪距单点定位模型的高压架空输电线路泛在巡检方法。结合北斗定位的伪距应用经验,引入北斗位居单点定位模型,对其进行巡检方法的规范化处理。建立北斗单点定位多频相位模型、多频相位下北斗伪距单点定位模型生成,进行高压架空输电线路泛在巡检抗差优化,改善前后巡检优化系数,完成高压架空输电线路泛在巡检。实验结果证明,所提方法能够有效提升巡检质量,减小巡检定位误差,改善巡检条件,具有较高的推广价值。

Under the influence of electromagnetic disturbance between high-voltage cables,the positioning parameters of high-voltage overhead transmission lines during patrol inspection are prone to deviation,which leads to the inability to lock error points quickly and accurately,affecting the normal operation of high-voltage and expensive transmission lines.In this regard,a universal patrol inspection method for high-voltage overhead transmission lines based on Beidou pseudo range single point positioning model is proposed.Based on the experience of pseudo range application of Beidou positioning,the Beidou single point positioning model is introduced to standardize the inspection method.Establish Beidou single point positioning multi frequency phase model,and generate Beidou pseudo range single point positioning model under multi frequency phase,optimize the robustness of high-voltage overhead transmission line ubiquitous patrol inspection,improve the optimization coefficient of front and back patrol inspection,and complete the ubiquitous patrol inspection of high-voltage overhead transmission line.The experimental results show that the proposed method can effectively improve the quality of inspection,reduce the positioning error of inspection,improve the inspection conditions,and has high popularization value.