Transmission line protection needs to be adapted to the variations introduced by these devices.
线路保护必须能够适应这些装置带来的变化。
Exploring the new theory and approach of transmission line protection is the key problem in the field of protection.
探索新的保护原理和方法以提高输电线路保护的性能是继电保护研究领域中的一个重要课题。
A new technique for long transmission line protection based on the balance of energy principle is described in this paper.
提出了一种应用能量平衡关系实现远距离输电线路保护的新原理。
The results of simulations and tests proved that this algorithm possesses excellent performance and is suitable for EHV transmission line protection.
结果表明，该算法具有良好的高频特性，适用于高压和超高压输电线路的距离保护。
This paper Presents a switching power supply unit specially designed for microprocessor based ultra-high-voltage transmission line Protection systems.
本文介绍用于超高压线路微机成套保护装置的专门电源。
Along with the wide spread of data-channel such as optical fiber in UHV transmission line protection, it is more important to improve protection's principle.
随着光纤等数字通道在高压输电线路保护中的逐渐推广应用，充分利用数字通道来完善成套保护的原理就显得尤为重要。
The performance of negative sequence directional element widely used in conventional transmission line protection may be affected when it is used in the double transmission lines on the same tower.
由于同杆双回线自身的特殊性，使得在常规线路保护中有着广泛应用的负序方向元件的性能受到影响。
The protection device has compact structure, high reliability, friendly man machine interface, powerful communicating function and can be used in all kinds of UHV transmission line protection system.
该方案结构紧凑，可靠性高，人机界面友好，通讯功能强大，适用于各种超高压输电线路保护。
Therefore the research on new principle of protection and adaptive auto-reclosing technique for UHV transmission line is of great practical significance.
因此研究特高压输电线路的继电保护新原理及自适应重合闸技术具有重要的现实意义。
A new high speed protection criterion for high voltage transmission line based on the wavelet transform of transient voltage signals from the two ends of the line is presented.
提出了一种基于双端电压暂态信号小波变换的高压输电线路快速保护算法。
Because of the current on the shunt reactor, traditional traveling wave differential protection cannot be applied to transmission line with shunt reactor.
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。
A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.
提出了一种适用于输电线路差动保护抗电流互感器(TA)饱和的新方法——电流极性比较法。
The main development trend of high voltage transmission line's protection is the line fiber optical differential protection.
光纤电流差动保护是高压线路主保护的发展趋势。
The optical line protection system (OLP) is a long-distance optical transmission network production system, which has a very important practical value.
光线路保护系统是一种基于现代通信毫秒级光开关为基础的具有重要实践意义的长距离光传输网络保护系统。
Curren protection and voltage protection in transmission line as one method and principle of electric power system, they are very important protection.
输电线路电流保护和电压保护分别作为电力系统保护原理和手段之一，是十分重要的保护类型。
However, current transformer (ct) saturation is still affecting the reliability of transmission line differential protection.
然而电流互感器(CT)饱和会影响输电线路电流差动保护的可靠动作。
The research on the protection device for transmission line based on floating-point digital signal processor (FDSP) is the theme of this paper.
本论文是围绕基于浮点数字信号处理器(fdsp)的线路保护测控装置的研究这一中心任务而展开的。
On the basis of analyzing existing criteria for current differential protection of transmission line, a normalized criterion for current differential protection is proposed.
在对现有输电线路电流差动保护判据研究的基础上，提出了一种归一化电流差动保护判据。
An advanced protection based on digital signal processor (DSP) for HV Power transmission line is introduced.
介绍了一种基于数字信号处理器(dsp)的新型高压输电线路微机保护装置。
Single differential criterion can't satisfy the special requirements of long UHV transmission line for the sensitivity, speed and reliability of protection.
单一的差动保护判据无法兼顾超高压长线保护对灵敏性、速动性和可靠性的要求。
Directional unit is the kernel unit of the traveling waves or transients based ultra-high-speed directional protection for transmission line.
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。
The main protection scheme of power equipments against internal faults has been differential protection, the application of which is comparatively simple in the generator and transmission line.
电气主设备内部故障的主保护方案是差动保护，差动保护在发电机和线路上的应用比较简单。
The principle and methods of transmission line non-setting protection are discussed sufficiently.
探讨电力系统线路无定值保护的实现原理和方法。
Each 500 kV transmission line will be protected by two primary pilot relaying systems with a backup relaying to achieve primary and secondary protection.
由两个主控制继电保护系统对各条500千伏传输线进行保护，该控制继电保护系统上装有一只后备继电器，以实现初级保护与二次保护。
This paper studies the negative sequence directional protection (NSDP) as the primary protection of series compensated UHV transmission line.
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。
Theoretical analysis and simulation prove that the proposed protection principle will not be affected by distributed capacity current of transmission line and has higher sensitivity and reliability.
理论分析与仿真验证都证明新原理不受长线路分布电容电流的影响，具有很高的灵敏性和可靠性。
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.
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。
The application of line surge arrester is an important measure to enhance the lighting withstand level and atmospheric overvoltage protection level of electric transmission line.
提出采用线路避雷器是提高输电线路耐雷水平的一个重要措施。同时提高了安装杆塔的大气过电压保护水平。
This thesis mainly discusses the research on the development of microcomputer measuring and protection device for Mid&Low-voltage transmission line based on double 80296SA platform.
本文研究了基于双80296SA平台的中低压线路微机测控保护装置的开发，包括保护原理的探讨、装置硬件系统的设计、制作、调试和软件系统的开发。
This thesis mainly discusses the research on the development of microcomputer measuring and protection device for Mid&Low-voltage transmission line based on double 80296SA platform.
本文研究了基于双80296SA平台的中低压线路微机测控保护装置的开发，包括保护原理的探讨、装置硬件系统的设计、制作、调试和软件系统的开发。
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