本文档主要是关于电力系统中GPS对时系统的应用，内容包括变电站GPS的对时介绍及方案，电力系统GPS同步授时装置的设计及综合校时方案的研究，基于CAN网络的整车授时系统设计，GPS在电力系统中的应用，SLU-3000型卫星定位网络校时系统说明书等。-This document is mainly about power system when the system of GPS applications, including substation when the introduction of GPS and the program, the power system GPS time synchronization equipment design and the comprehensive school program of study, based on the vehicle CAN network time system Design, GPS in power system applications, SLU-3000-based satellite positioning system CyberSchoolBus when such instructions.