基于分布参数模型的复线牵引网故障测距新算法

• 作 者: 常守中 徐国卿 程伟
• 机 构: 同济大学电气工程系,同济大学电气工程系,同济大学电气工程系 200331,200331,200331
• 出 处: 中国科技信息
• 发表日期: 2006年21期
• 关键词: 牵引网 故障测距 阻抗法 分布参数

电气化铁道牵引网故障测距日益显示出它巨大的社会经济价值。文中针对牵引网中复线供电模式,提出了一种基于分布参数模型的复线牵引网故障测距新算法。此算法采用线路分布参数模型,构造非故障相对地阻抗的幅值与故障距离的函数,搜索函数模极大值处,即故障点的位置。测距算法避免了过渡电阻和系统阻抗的影响,仿真结果验证了算法的可行性和高精度性,能够用于当前的故障测距装置。

Electrified railway traction network fault location increasingly shows its huge socio-economic value. Aiming at the power supply mode of double line in traction network, a new fault location algorithm for double line traction network based on distributed parameter model is proposed. The algorithm uses the distribution parameter model of the line to construct the function of the magnitude of the non-fault relative impedance and the fault distance, and searches for the maximum of the function modulus, that is, the location of the fault point. The ranging algorithm avoids the influence of the transition resistance and the system impedance. The simulation results verify the feasibility and accuracy of the algorithm and can be applied to the current fault location device.