论述了脉冲式高压线路保护的基本原理以及基于该原理的保护装置的实现方法。
The principle of high-pressure line protecting and realized means of protector are described.
提出了一种基于阻抗相对变化的高压线路保护选相新原理，用作振荡期间的选相元件。
Based on the relative variation of impedance during power swing, a novel phase selector for high voltage transmission lines is proposed.
理论分析和仿真计算表明，使用电压量的选相元件能够正确地判别各种故障类型，满足高压线路保护的需要。
Theory analysis and simulation results show that the new phase selector can determine fault types properly and be used in transmission line protective relay.
进而，总结了具有一般性的构建智能电子设备（IED）信息模型的三步建模方法，并以高压线路保护装置为例，介绍了该方法的具体应用。
Taking the transmission of a trip signal of the process bus communication as an example, the process development of intelligent electronic device(IED) is elaborated.
对RCS-931的调试遇到的问题谈了认识，并对特高压线路纵联保护中出现的特殊问题进行了探讨。
The problems in debugging of RCS-931 are also discussed, as well as some special problems of the longitudinal protection for EHV lines .
介绍一种适用于高压线路光纤纵差保护的通信方案。
This paper presents a fiber communication scheme applied to the current differential protection of the high voltage transmission line.
光纤电流差动保护是高压线路主保护的发展趋势。
The main development trend of high voltage transmission line's protection is the line fiber optical differential protection.
介绍超高压线路纵联保护在实际系统运行中常出现的问题，结合RCS- 931纵联保护装置问题的解决方法进行了分析和讨论。
The frequent problems in operation of the longitudinal protection for EHV lines are presented, and relevant solutions are analyzed based on the RCS-931 longitudinal protection device.
本文在对高压线路微机保护现状分析的基础上，设计了一套基于嵌入式系统的微机保护装置。
Based on the analysis for microcomputer protection of high voltage line, the dissertation designs an adaptive microcomputer protection of high voltage line which is based on embedded systems.
高频保护对于高压线路的正常运行起着极其重要的作用，它可以快速切除故障，保障系统的稳定。
Carrier protection has been playing a very important role in normal operation of HV transmission line. It can cut-off the fault quickly to ensure the system operating stably.
文中对带串补的特高压线路采用负序方向高频保护作为主保护方式进行了研究。
This paper studies the negative sequence directional protection (NSDP) as the primary protection of series compensated UHV transmission line.
光纤电流差动保护是高压超高压线路主保护的发展趋势。
Fiber optical current differential protection is the main protections development trend of high and ultra high voltage transmission lines.
最后就RCS-901A/B超高压线路成套保护装置进行了工作原理分析和性能评估，证明了所提方法的有效性。
The working principle and performance of RCS-901A/B are comprehensively studied and evaluated with the proposed method to demonstrate its effectiveness.
本课题仿真计算的保护算法用于实现高压线路微机距离保护的反时限。
The algorithms of microprocessor distance protection emulated and calculated in this paper are used to realize the inverse time characteristic of microprocessor distance protection.
本文介绍用于超高压线路微机成套保护装置的专门电源。
This paper Presents a switching power supply unit specially designed for microprocessor based ultra-high-voltage transmission line Protection systems.
绕击是造成特高压线路跳闸的主要原因，尤其在山区应适当减小地线保护角。
Shielding failure is the main reason to cause flashover of the UHV transmission line, so that the shielding angle of grounding wires should be reduced, especially in mountain area.
绕击是造成特高压线路跳闸的主要原因，尤其在山区应适当减小地线保护角。
Shielding failure is the main reason to cause flashover of the UHV transmission line, so that the shielding angle of grounding wires should be reduced, especially in mountain area.
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