为解决当前智能变电站行波测距装置遇到的困境，设计研发了一套智能变电站行波测距系统。介绍了智能变电站行波测距系统的构成，研发了满足IEC61850标准的行波测距主站，研制了不受PT／CT采样率限制的行波传感器，设计了基于纯硬件电路辨识行波的行波采集装置硬件方案及软件流程。并通过实验的方法验证了本系统的测距准确性，能够准确的定位故障距离。本系统可避免对电子式互感器进行改造，促进行波测距技术在智能变电站的应用及推广。%In order to solve the embarrassments of the traveling wave fault location device in the smart substation , we have developed a new traveling wave fault location system .This article introduced the structure of the traveling wave fault location system .It includes a master station which can meet the requirements of IEC 61850 , and a traveling wave sensor which is not restricted by the PT/CT sampling rate.In addition, the hardware scheme and software process for the traveling wave data acquisition device which is based on hardware circuit were designed .The accuracy of this sys-tem on fault location is verified by experimental method , which is able to accurately locate the fault distance .This so-lution can avoid a modification of the electronic transformer and promote the application and popularization of traveling wave fault location technology in the smart substation .
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