该课程是电气工程与自动化专业的专业课程，通过讲课，习题等教学环节，使得学生理解距离保护的基本概念，了解超高压输电线路故障分析的基本方法，掌握分析阻抗继电器在各种运行方式下的动作特性的方法，为今后在电力系统继电保护领域分析和解决问题打下坚实的专业基础。教学内容有1、超高压输电线路特点及对继电保护的影响2、超高压输电线路继电保护方案3、距离保护的构成及运行特性分析4、电压矢量图法分析各种故障类型下，故障点电压随着过渡电阻变化的规律，分析补偿电压的变化规律5、利用支接阻抗方法分析阻抗继电器的动作特性6、双侧电源线路上阻抗继电器的动作行为分析，包括输电线路送电端，受电端的距离保护的动作特性随着过渡电阻的变化而变化的规律7、相间多相补偿距离继电器的特性分析8、接地多相补偿距离继电器的特性分析9、故障分量继电器10、距离保护的振荡闭锁问题11、线路电流差动保护的特点分析

This course is the special course of Speciality of the Electrical Engineering and Automation major. The students must understand the basic concept of the distance protection, know about the basic method of fault analysis for extra high voltage transmission lines and know well the analysis method of impedance relay during any kinds of faults by teaching process and the exercises. The students can deal with the problem of relay protection very well. The teaching contents are as the following:1.The characteristic of the extra-high-voltage transmission line and its effect on the relay protection2.The scheme of relay protection for extra-high-voltage transmission line3.The composition of the distance protection and the analysis of its operation4.The voltage-vector method is employed to analyze the variation of the voltage of the faulted point with the fault resistance and the variation of the compensating voltage.5.The branch-connection method is used to analyze the work performance of the impedance relay.6.The analysis of the impedance relay mounted on the transmission lines of two-end power supply, including the sending end and the receiving end.7.The analysis of the performance of the phase-to-phase multi-phase compensating distance relay.8.The analysis of the performance of the phase-to-ground multi-phase compensating distance relay.9.The relay based on faulted components10.The oscillation lock scheme for distance protection11.The analysis of the differential protection for transmission lines