发电厂的母线是电厂中的一个重要组成元件,当母线上发生故障时,将使连接在故障母线上的所有元件在修复故障母线期间,或转换到另一组母线上运行以前遭到停电。
When bus bar fault occurs, all components connected on the faulty bus bar will be in outage until power restores by repairing the faulty bus bar or switching them over to another bus bar.
基于行波的输电线路双端测距算法只用到到达故障线路两侧母线的第一个故障初始行波波头,其可靠性较高。
Based on the traveling wave, double ended approach only deals with the first transient traveling wave reaching the two buses of the fault line.
为此,提出了调度员在输电线路跳闸、变压器跳闸、母线故障及变电站全停电的一些处理方法,并举例给予说明。
In this paper, the author illustrates some treating methods for trip of transmission lines and transformers, bus failures as well as overall service interruption in substations.
分析了一台半断路器接线的母线故障的特点,总结了相应的处理要点。
Analyzes the characteristics of the busbar fault of the one and a half breaker connection, sums up corresponding treatment measures.
提出一种仅用万用表和标准电阻就可以准确测量出直流母线和支路负荷正对地电阻、负对地电阻的新测量方法,这种方法能准确查找绝缘低故障支路;
This paper describes a new method by which the positive, negative resistance to ground of DC bus and branch could be tested precisely by mere use of universal instruments and standard resistors.
该装置安装在电动汽车上,可在线监测高压电气系统正负母线对车体的绝缘状况,一旦出现绝缘故障及时声光报警,确保整车和人身的电气安全。
The equipment can monitor insulation condition of whole high-voltage system, and give an alarm on insulation failures and other dangerous situation, thus ensure safety of vehicle and people.
电网发生故障时,根据断路器跳闸信息和母线电压信息,采用BFS(广度优先搜索)的方法搜索出故障区域。
When a fault occurs in a power system, fault area is located using Broad First Search (BFS) method by breakers and bus voltage message.
基于行波特征区分雷电冲击与短路故障有一定局限性,提出一种利用母线电压信号特征识别雷击与短路故障的新方法。
We proposed a new method to distinguish the lightning strikes and common short-circuit faults on the basis of the characteristic of the bus voltage signals using S-transform.
1988年8月6日,由于母线差动保护误动作使线路故障扩大,造成了贵阳电网瓦解的大面积停电事故。
On August 6th 1988, in Guiyang Power System, a line fault was extended to a cascade shutdown accident because of the mal-operation of a busbar differential protection.
当母线出现故障(过压或欠压)时,能够完成两组母线的自动投切,即备自投的功能。
When bus gets into trouble, it can perform the function of automatic switching to backup power supply.
专家系统可以用来辨别母线故障区域、线路故障区域和线路与母线的共同区域。
The expert system is capable of identifying bus fault, line fault and fault sections in the common area between a specific bus and a line.
为了避免这种运行方式在母线检修、故障时可能造成停电的缺点,因此可用断路器将单母线分段。
In order to avoid power cut during examining and repairing of generatrix or conk out of this operation mode, breaker can be used to separate mono generatrix.
对单机无穷大母线系统进行了公式推导和仿真验证,从理论上探讨了多机系统的三相短路故障临界切除时间求解方法。
The formulae for SMIS are derived and verified by case simulation, the solution of critical clearing time (CCT) of three-phase short fault in MMS is theoretically discussed.
介绍了在母线不停电情况下,利用负荷电流模拟母线故障检查保护回路存在的问题。
Here introducing the way that when the bus energral to use the load current to simulate the busbar fault so as to check the problem of circuit and to correct and solve it.
通过对等值前后保留机组在不同故障下的摆角曲线、母线电压对比,证明了这种方法的有效性。
This method has been used in the equivalence of the Yangcheng Power Plant Transmission System and the results are of satisfying.
简单介绍了10MW高温气冷堆(HTR-10)电力系统的设计特点,并用故障树法对HTR-10交流安全母线供电的可靠性进行了定量的理论分析。
The essential principle and implementation of the bi directional detector for Fuel Handling System (FHS) in 10MW High Temperature gas cooled Reactor (HTR 10) are presented.
简单介绍了10MW高温气冷堆(HTR-10)电力系统的设计特点,并用故障树法对HTR-10交流安全母线供电的可靠性进行了定量的理论分析。
The essential principle and implementation of the bi directional detector for Fuel Handling System (FHS) in 10MW High Temperature gas cooled Reactor (HTR 10) are presented.
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