距离保护测量元件在线路保护中有广泛的应用。
The measuring elements of distance protection are extensively applied in transmission lines protection.
比较了电流速断、自适应电流速断及距离保护的动作特性。
The operation characteristics of fast tripping current protection, adaptive current protection and distance protection are compared.
把距离保护测量元件划分为阻抗继电器与距离继电器两大类。
In this article, the measuring elements of distance relay are divided into two main sorts, which are impedance relay and distance relay.
介绍了方向纵联保护、距离保护等一些新的保护功能配置及原理。
The configuration and principle of protective functions, such as directional pilot protection and distance protection, are introduced.
据此提出了一种自适应距离保护方法，根据误差的大小调整动作门槛。
A novel adaptive distance relay approach which can adjust action thresholds according to the error is proposed.
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.
构成保护的原理有很多种，其中距离保护是获得广泛应用的原理之一。
The principles adapted in protection are quite a lot, of which the distance protection is one of the most widely applied principles.
本文针对串联补偿线路接地距离保护，提出了一种新的电抗补偿系数方法。
In order to improve measuring accuracy of the earth-fault distance protection of series compensated line a new method which employs the reactive compensation factor is presented in this paper.
但是短线路在两相短路时，由于测量电压的误差会放大，可能引起距离保护的超越。
Because the voltage measuring error increases when phase to phase short circuit occurs, distance relay protection will act improperly.
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。
The results of simulations and tests proved that this algorithm possesses excellent performance and is suitable for EHV transmission line protection.
本文对计算机距离保护的原理作了系统的研究，并提出了新颖保护系统的设计方案。
The theory of computer distance relaying is studied systematically in this paper, and a new relaying system scheme is proposed.
反时限距离保护是解决近范围快速动作与保护范围末端可靠动作之间矛盾的最好策略。
The distance protection with inverse time characteristic is the best choice to solve the conflict between fast trip near the protecting relay and reliable trip at the end of protection zone.
并根据各算法的估计性能特点，提出了一种具有反时限特性的距离保护算法的实现方案。
According to the characteristics of different algorithms, an implementation scheme of distance protection with inverse time characteristic is brought forward.
文中分析TCSC、UPFC、TCPST和储能元件对距离保护产生影响的决定性因素。
This paper analyzes the affection of UPFC, TCPST, TCSC and energy storage elements to distance protection.
偏移特性阻抗继电器常用于小电流或大电流接地系统中作为输电线路距离保护的测量元件。
LZ-22 partial impedance relay usually used as measuring element on distance protection of the line at small or big current power system.
比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
对CT不同饱和程度下距离保护超越的起始时刻、持续时间和严重程度进行了详细的讨论。
When the CT undergoes different saturation, the starting time, duration time and severe degree of the transcendence are also discussed in detail.
在研究传统解微分方程距离保护采用固定窗长的基础上，提出了一种基于噪声水平控制的变窗长算法。
This paper presents a novel algorithm for solving differential equation of distance protection which adopts an adaptive window length based on noise level control.
本文针对高压输电线距离保护及故障测距中常用的解微分方程算法，提出了一种零序电流相位修正的方法。
The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
提出只有将高频通道、超范围距离元件配合构成允许式纵联距离保护，才能保护同杆双回线跨线不接地故障。
This paper presents that the protection for the phase to phase fault should be composed of high frequency teleprotection channel and overreached distance relay.
将零序电流加速保护与距离保护相配合得到自动重合闸加速保护综合方案，改善了重合闸后加速保护的性能。
According to the schemes, a general schemes for auto recloser accelerating protection is presented which improves performance of accelerating protection.
针对这种情况，从保护原理上对其超越情况进行分析，并对距离保护在双侧电源短线路的保护配合提出看法。
In this connection, the override is analyzed in terms of protection principles. Suggestions on protection coordination of short line with duplicate supply are put forth as well.
结合上海电网具有短路容量大、电气距离短的特点，提出了使用进口仪器测试工频变化量距离保护的具体方法。
For Shanghai power grid, which has large short circuit capacity and short electrical distance, a method using imported instrument to test power frequency variation distance protection is presented.
为此，就微机型距离保护解决问题的特殊处理方法进行了介绍，并与常规距离保护的技术特点进行了分析比较。
This paper introduces the specific solution to computer distance protection, compares its technical feature with conventional distance protection and analyses the difference between the two.
在线路距离保护段范围发生故障时，利用对侧开关跳闸时序电流的突变量加速本侧保护的跳闸，改善了保护的性能。
This paper presents a novel approach to accelerated trip of power transmission lines by using biorthogonal wavelet transform to improve the performance of protection relays.
利用MATLAB仿真软件建立了典型的配电网模型、直接并网及逆变并网两类分布式电源模型。详细阐述距离保护的保护原理和整定原则。
Distribution systems model and DG model are built in MATLAB. The theory and setting principle of distance protection are introduced in detail.
对四边形和方向圆特性阻抗继电器躲线路最大潮流的能力进行了详细分析，提出了距离保护负荷限制电阻的整定原则和整定方法，并给出了整定建议值。
It puts forward the setting principle and method of load limiting resistor of backup distance protection and gives the propositional setting value of load limiting resistor.
从微机工频变化量距离保护两种试验方法和试验结果之间的矛盾入手，在分析其原理的基础上，以实例分析和讨论这两种方法，指出了保护本身的不足之处。
The shortcomings of the protection itself is pointed out through analysis of examples and discussion on these two methods for microcomputer based power frequency variable distance protection.
分析了PSCAD/EMTDC的软件结构，提出了基于PSCAD/EMTDC和C语言接口技术的自定义模型的实现方法，用C语言构建了以实际保护装置为原型的数字式距离保护模型。
The program structure of PSCAD/EMTDC is analyzed, and the method of realizing the user-defined model which is based on the interface technique between PSCAD/EMTDC program and C language is presented.
分析了PSCAD/EMTDC的软件结构，提出了基于PSCAD/EMTDC和C语言接口技术的自定义模型的实现方法，用C语言构建了以实际保护装置为原型的数字式距离保护模型。
The program structure of PSCAD/EMTDC is analyzed, and the method of realizing the user-defined model which is based on the interface technique between PSCAD/EMTDC program and C language is presented.
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