The paper analyzes the issues on the braking accuracy and its safety protection distance designed for automatic train overspeed protection system.
分析列车超速防护系统的制动精度和它的安全防护距离的设计问题。
According to the actual situation of power supply network and protection system under mine, a long distance faults online monitoring program is presented for overcoming the short protection distance.
本文结合矿用供电网的实际情况和保护系统的现状，针对现有技术保护距离较短的缺点，提出了一种针对矿用供电线路的远距离故障在线监测的方案。
Remember that any protection, however temporary, is better than none at all, and the more shielding, distance, and time you can take advantage of, the better.
记住，任何的保护措施，不管是否是临时性的，总要比没有任何的防护要好，遮挡放射性尘降物的东西越多，离放射性尘降物的距离越远，越善用时间，保护的效果就会越好。
Some techniques of serial communication are presented, including isolation protection of computer port, relationship between communication speed and distance, and so on.
并提出串口通信需要考虑的问题，包括计算机端口隔离保护、通信速率与距离的关系等。
This paper presents a novel algorithm for solving differential equation of distance protection which adopts an adaptive window length based on noise level control.
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。
According to the characteristics of different algorithms, an implementation scheme of distance protection with inverse time characteristic is brought forward.
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。
This paper presents a new method of computerized distance protection.
提出了一种微机距离保护的新方法。
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.
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 operation characteristics of fast tripping current protection, adaptive current protection and distance protection are compared.
比较了电流速断、自适应电流速断及距离保护的动作特性。
This paper analyzes the affection of UPFC, TCPST, TCSC and energy storage elements to distance protection.
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。
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.
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。
In allusion to the characters of system oscillation during single-phase recloser and three-phase recloser, the author put forward a new distance protection accelerating scheme.
针对单相重合闸与三相重合闸时系统振荡的特点，提出了新的距离加速保护方案；
The measuring elements of distance protection are extensively applied in transmission lines protection.
距离保护测量元件在线路保护中有广泛的应用。
The configuration and principle of protective functions, such as directional pilot protection and distance protection, are introduced.
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。
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.
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。
The most common form of protection on high voltage transmission systems is distance relay protection.
在高压传输系统中，应用最多的是距离保护。
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.
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。
This paper presents that the protection for the phase to phase fault should be composed of high frequency teleprotection channel and overreached distance relay.
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。
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.
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。
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。
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.
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。
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.
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 open-phase protection in long-distance motor operation is very important in practice.
电动机远距离运行断相保护在实际工作中很重要。
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.
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。
Distribution systems model and DG model are built in MATLAB. The theory and setting principle of distance protection are introduced in detail.
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。
The system can calculate the logging restricted zone due the soil protection adjacent to streams within a safe distance; or due to the land sliding critical Angle of the deep slope.
系统可以根据在一个安全的距离内邻近溪流的土壤保护层或者陡坡地滑坡关键角计算出伐木的限制区域。
LZ-22 partial impedance relay usually used as measuring element on distance protection of the line at small or big current power system.
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。
The negative sequence distance relay gets free from the winding connection of the transformer. So it is the best choice to use the kind of the distance relays for the transformer backup protection.
负序距离继电器的行为与变压器绕组的接线无关，所以它是作为变压器后备保护的距离继电器的最佳选择。
Because the voltage measuring error increases when phase to phase short circuit occurs, distance relay protection will act improperly.
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.
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。
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