1) gas path fault
气路故障
1.
Mathematical model of the gas turbine performance in the condition of gas path fault is estab-lished by using the exergy efficiency,which as a figure of merit that based on the second law of thermo-dynamics.
利用基于热力学第二定律的效率,对燃气轮机在气路故障下进行了数学建模,采用小偏差的方法推导出了故障性能系数矩阵,从效率的角度对燃气轮机发生结垢故障时的性能进行了对比量化分析。
3) short circuit malfunction
短路故障
1.
Automatic diagnosis system for monitoring short circuit malfunction of electric net in oilfield;
油田电网短路故障诊断系统
4) line fault
线路故障
1.
The problems of frequency modulation were studied,including over modulation and long transition time after line faults.
对某电网两起线路故障后引起电网频率的超调量明显偏大、过渡时间过长而暴露的机组调频方面的问题进行了全面分析,说明了完善DEH机组调频控制功能、改善调节特性对保证供电质量、提高电网调频品质有很大的作用。
2.
Based on the characteristics of line protection of HVDC power transmission, the paper describes the characteristics and disposition principles of DC line fault as well as the action sequence of DC line protection.
针对高压直流输电线路保护的特点,较全面的概述了直流线路故障特征以及直流线路故障的配置原理和直流线路保护动作顺序,比较分析了ABB公司和Siemens公司的行波保护判据,结合天广直流输电工程,采用MATLAB对天广直流输电工程中Siemens公司的行波保护进行仿真分析。
3.
In this paper,the characteristic of the main parameters during the process of the line fault in metallic return operation is discussed and confirmed on RTDS first;then,based on the DC protection system of Tian-Guang,Gao-Zhao and Xing-An HVDC transmission projects,the correlative protection is introduced.
首先从理论上分析了直流输电系统单极金属回线运行方式下发生线路接地故障时各特征量的变化情况,并借助RTDS实时仿真系统进行了验证;接着以此为依据,以天广、高肇、兴安等由德国Siemens公司设计的直流保护系统为例,介绍了针对这一故障设置的相关保护;然后结合运行实例和仿真,分析了这些保护存在的缺陷如线路后备保护配合不当和无法快速、准确地检测金属回线线路故障等,最后还提出了一些改进建议,并讨论了各种方案的优缺点。
5) short-circuit fault
短路故障
1.
Research on overvoltage output of SPWM inverter after short-circuit fault disappears in a short time;
短路故障消除后SPWM逆变器输出过压问题研究
2.
The mathematical model for the short-circuit fault analysis and the realization of the program is discussed.
阐述了电力系统短路电流计算的原理,讨论了电力系统短路故障分析的数学模型及程序实现方法,并在分析短路电流计算原理的基础上通过可视化软件MATLAB建立了短路故障的模型,实现了其程序编制。
3.
The current signals caused by lightning strike without any fault or with fault and by common short-circuit fault are analyzed,and the characteristics are obtained: firstly,energy distributions of all frequency bands are differ.
在现有行波测距装置的基础上,提出线路受雷击和出现短路故障的识别新方法。
6) branch outage
支路故障
1.
The problem of taking random branch outages into account in probabilistic evaluation of voltage stability is studied,and an efficient point estimate method based is proposed.
针对电压稳定概率评估中难以考虑支路故障随机性的问题,提出了基于点估计法的电压稳定分析方法。
补充资料：路易斯气
又名α-氯乙烯二氯胂。化学式ClCH＝CHAsCl2。无色液体,有天竺葵气味；熔点－13℃，沸点190℃；微溶于水,易溶于有机溶剂。路易斯气是一种化学战争毒剂,其挥发性和穿透力均强于芥子气，能引起皮肤红肿、起泡以至溃烂，能伤害身体各部器官，特别是肺部。漂白粉、碱等可破坏其毒性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条