然而现有行波保护的保护原理还不成熟，技术还不完善。
However, the theory and technology of existing protection based on travelling wave is imperfect.
该研究成果将为下一步开发行波保护装置奠定理论和技术基础。
The research achievements will establish theoretic and technical foundation for the future development of traveling wave protection devices.
本文对我国电气化铁道牵引变电所的雷电进行波保护问题进行了研究。
The problem of lightning progressive wave protection for electrified railway traction substation of our country has been studied in this paper.
正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。
The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.
行波保护的原理基于线路故障的暂态特征——行波引起的电压电流量的变化。
Its principle is based on the transient characteristics of the line fault, which is the changes in the voltage and current caused by the travelling wave.
介绍了当前继电保护专家们提出的行波保护、无通道保护等新型保护的基本原理。
The basic principle of new types of protection which present relay protection experts have proposed, such as shape wave protection, non-channel protection and so on, is introduced.
在行波母线保护的基本原理和动作判据的基础上，给出了对应一个半开关接线方式的原理方案。
The principle scheme aimed at one and a half circuit breaker model is presented based on basic principle and criterion of bus-bar protection.
由于并联电抗器两侧的电流发生变化，传统的行波差动保护无法应用于带并联电抗器的输电线路。
Because of the current on the shunt reactor, traditional traveling wave differential protection cannot be applied to transmission line with shunt reactor.
高频保护传统分析方法仅考虑高频信号在通道中的延时效应，没有分析电气量的行波延时效应。
The classic analysis of high-frequency (HF) protection only takes account of the channel delay effect of HF signal, neglects the delay effect of electric traveling wave.
但传统的行波差动保护要求实时传送所有高速采样数据，目前的通信手段难以胜任；
Traditional traveling wave differential protection needs to transmit large amount of real-time high-frequency sampling data, which is difficult for current telecommunication methods.
方向元件是基于行波或暂态量的超高速方向保护的核心元件。
Directional unit is the kernel unit of the traveling waves or transients based ultra-high-speed directional protection for transmission line.
发射机的所有电路基本上都是围绕着如何给行波管的各电极提供正确稳定的工作电压及使行波管正常工作的各种保护和控制功能而设计的。
All circuits of the transmitter are basically designed to offer the proper, steady voltage for the electrodes of TWT and various protective, control functions for its smooth operation.
文中在对行波的小波分析的基础上，提出了基于小波变换的行波差动保护原理和算法。
Based on the analysis of the traveling wave with wavelet transform, this paper presents a new method of traveling wave differential protection based on the wavelet transform.
文章提出了基于检测行波电流波头极性的行波电流极性比较式方向保护。
A directional protection based on traveling wave current polarity comparison which is implemented by detecting the polarity of current wavefront of traveling wave is presented.
文章提出了基于检测行波电流波头极性的行波电流极性比较式方向保护。
A directional protection based on traveling wave current polarity comparison which is implemented by detecting the polarity of current wavefront of traveling wave is presented.
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