Commutation failure is one of the most common failures for the high voltage direct current transmission system.
在特高压直流输电中换相失败也是主要的故障。
Ceramic insulator is widely used in alternating and direct current transmission system. But there exist some problems when using ceramic insulator in direct current transmission system.
瓷绝缘子广泛使用在交直流输电系统中，但在直流输电系统中使用还存在很多问题。
Employing the interlaced scanning, current TV system can compress the frequency band of TV signal effectively and facilitate transmission.
现行的广播电视系统由于采用隔行扫描方式，从而有效地压缩了电视信号的频带，有利于传输；
The design of filtering equipments at dc side of the converter substations is relative to the security and economy of the high voltage direct current (HVDC) transmission system.
换流站直流滤波装置的设计关系到高压直流输电系统的安全与经济性。
In this paper the propagation of pulse wave on and the mutual coupling between conductors of a multi-conductor transmission system are analysed from the basic voltage and current equations.
本文从电压和电流的基本方程出发，分析脉冲波在多导线传输系统的传播现象和多导线传输系统导线间的相互耦合作用。
A novel fault tracking approximator for fault diagnosis scheme of high voltage direct current transmission (HVDC) system is proposed.
提出了一种新的故障跟踪估计器来诊断高压直流输电(HVDC)系统中的故障。
A new oil pipeline monitoring system based on GPRS transmission is put forward in this paper on the basis of the current anti-theft detection system of oil pipelines.
本文在目前国内的输油管线防盗检测系统的基础上，结合GPRS传输优势，提出了一种基于GPRS传输的新型输油管线监控系统。
This paper analyzed the metro WDM technique in terms of market demand, technical and economical characteristics and current status of system and transmission fiber.
文章从市场需求、技术经济特点、系统与传输光纤的现状等几个方面分析城域WDM技术。
In this paper a current differential relaying system using fiber-oPtic signal transmission channel is described.
本文研究提出了一种应用光纤通道的短距离输电线电流差动保护方案。
In order to decrease the asymmetry of current and voltage of the power system, the high voltage transmission lines should be transposed in principle.
为了减少电力系统正常运行时电流和电压的不对称性，原则上高压架空线路应采用换位措施。
Thermoelectric generator (TEG) which is driven by natural gas can supply direct current to CP system of gas transmission pipeline in remote and no power supply district.
TEG即热电发生器，以天然气为燃料，可满足边远无电地区输气管道阴极保护直流用电需要。
A selection method of the structure of reversible transmission system with pulse electric current and a design oJ digital regulator are put forward and the results of emulating study are also given.
本文提出了工作在电流断续状态下可逆传动系统结构形式的选择与数字调节器的设计方法；同时配以仿真研究结果。
The breakdown of transmission shaft in the main drive system is due to too high roll torque. Overpower protection mode of motor current does not reflect the true dynamic character of roll torque.
轧制力矩过大是轧机主传动系统传动轴断裂的主要原因，传统的电机电流过载保护方式不能真实反映轧机主传动系统扭矩的动力学特性。
In this paper, a permutation code security algorithm based on the block cipher that is widely used in the data transmission system is put up after carefully studied the current encryption methods.
基于网络的数据传输安全问题是信息安全领域的重要课题之一，本文在分析现有数据加密方法的基础上，在数据传输系统中应用一种基于分组密码新概念的新算法—排列码加密算法。
At the present time, the research on SVG is mainly focus on the reactive compensation of power transmission system, and the control method is based on indirect-current control.
但是目前针对静止无功发生器的研究主要集中在输电系统无功补偿，且控制方法基于间接电流控制。
A visualized analysis system of leak current fault transmission graph is developed. Its functions, program structure and programming principle are described.
论述了自行研制设计的可视化漏电故障传播关系图分析系统的功能及程序结构与设计原理。
The examples of the transmission planning indicates that the model this paper proposed can think over the short-circuit current of the power system, so that the planning result can be more reasonable.
最后进行了电力系统优化规划计算，实践证明采用该模型的计算结果能够综合考虑系统短路电流的问题，从而使规划方案更为科学合理。
It should be noted that the DC transmission system does not contribute to the fault current flowing in the AC system5 during the AC faults.
应注意到，直流输电系统并不会增加交流系统故障时的故障电流。 收藏。
It should be noted that the DC transmission system does not contribute to the fault current flowing in the AC system5 during the AC faults.
应注意到，直流输电系统并不会增加交流系统故障时的故障电流。 收藏。
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