基于FPGA的单端法行波故障测距装置的研究与实现

Research and Implementation of Travelling Wave Fault Location Device With Single Terminal Method Based on FPGA

为了提高输电线路故障定位精度,基于FPGA芯片设计行波故障测距装置,完成该装置总的硬件设计和FPGA芯片内的模块设计。该装置可实现故障模拟信号的采集、转换、小波变换的高通滤波,以及故障距离计算功能。通过仿真的故障行波数据对行波故障测距装置进行验证,结果表明,故障测距误差在150 m内,证明了装置的可行性。

In order lo improve the fault location accuracy of transmission lines,the paper proposes FPGA chip based traveling wave fault location device.and presents the overall design of the hardware and the module design of the FPGA chip.The fault signal acquisition and transition,high-pass filtering and fault distance calculation can be realized by using the device.Finally,the paper verifies the feasibility of the device within a error of 150 meters by the simulation of fault traveling wave data.