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电保护     
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  electricity protection
     This paper analyses the harmful factors in ground connecting protection of machine equipment,and introduces the developing tindencies in safe electricity protection safe electricity protection system of international standar is used.
     分析了机械设备接地保护中的不良因素 ,介绍了安全用电保护方式的发展方向 ,建议采用国际标准的安全用电保护系统
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     This paper aims at the analysis of a single microcomputer of type SRAM inside CMOS in droping electricity protection circuit and introduces a kind of the integral calculus postpone of dropping and giving or get an electric shock data protection circuit.
     本文对单片微型计算机中CMOS型SRAM的掉电保护电路进行分析,介绍了一种高要求应用系统,具有积分延时的掉电数据保护电路。
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  power protection
     A Discussion on Problems Concerning Calculation of House Power Protection Setting in Hebei Power Cogeneration Liability Co. Ltd
     河北热电有限责任公司厂用电保护整定计算若干问题的讨论
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     Its main characteristic is:the expected temperature is determined by hardware without non power protection;
     该装置主要特点在于:温度设置由硬件实现,由拨码开关读入,不需要掉电保护
短句来源
     Aiming at the often happened miss operation of plant-service power protection due to all kinds of reasons during plant testing period,the paper analyzes the causes of miss operation of motor differential protection during plants testing and operation period in some power plant,and presents countermeasures to avoid miss operation of motor protection caused by protection equipments and field installation etc.
     针对发电厂调试阶段由于各种原因造成的厂用电保护误动作时有发生的问题,分析了某电厂在调试及试运行阶段中误动最多的电动机差动保护误动的原因,并分别针对保护装置和现场安装等不同原因总结出了防止电动机差动保护误动相应的对策。
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  “电保护”译为未确定词的双语例句
     Protection Data of X24C45 when Power off in LonWorks
     在Lon Works中X24C45的掉电保护
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     The synchronous signal of MC1311 CMOS camera is shaped by monostable trigger 74LS221. The data are stored in AT24C02, protected in the case of electricity loss.
     使用单稳态触发器74LS221对送给MC1311 CMOS摄像机的同步信号进行整形。 使用AT24C02对数据进行存储,实现了数据的掉电保护
短句来源
     A Design to Protect MC146818 in Case of Power Failure
     MC146818掉电保护的一种设计方法
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     The design realizes terminal addressing, data collection and protection, and communicating with the control computer.
     设计中采用先进的PIC单片机作为测试终端主控制器 ,实现终端的寻址、数据采集、数据掉电保护及与主控制计算机通信的实现。
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     This paper describes the makeup and working principle of MAX691A supervisor circuits, and its application to the anti-interference and power-fail protection circuit of the 80c196kc single-chip micro controller system is presentedalso, as well as the hard ware connection circuit and the corresponding software design method .
     介绍了MAX691A微处理器监控电路的组成和工作原理,并在80c196kc单片机应用系统中,给出了一种用该系列芯片组成的抗干扰与掉电保护电路,详细描述了硬件连接电路和相应的软件设计方法.
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  相似匹配句对
     A discussion on the intellectual property protection of electronic databases
     浅析子数据库的知识产权保护
短句来源
     Protection for Short Circuit of Voltage Source Invertor.
     压型逆变器的短路保护
短句来源
     Intellectual property protection
     知识产权保护
短句来源
     Protecting of the Dunhuang Grottoes
     保护莫高窟
短句来源
     there are race C1, C4, C9, C13 & C14 in Liaoning province;
     屯C,C:、C; 、C;
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  electrical protection
A safety fuse has been designed for the electrical protection of gas-filled detectors in the ATLAS experiment at CERN (Geneva, Switzerland).
      
Data on the thermostatting and electrical protection of the coils are presented.
      
Electrical protection of cellular radio sites can be obtained by appropriate application of protective techniques and protective devices.
      
Electrical protection and earthing design is considered to be a specialist task.
      
Electrical protection is required by legislation and is applicable to ALL coal operations.
      
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  power protection
The performances of the proposed approach have been tested on the design problem of a Neural Network controller of a Custom Power protection device.
      
Uninterruptible power systems and other power protection equipment for electronic health care systems
      
In order to reduce the effects of power fluctuations and outages, some type of power protection equipment must be installed between the commercial power system and the instrument.
      
At this rate, an investment in power protection can typically pay for itself after only one or two power problems.
      
If you're concerned about protecting your equipment and the data it processes, then you should invest in quality power protection.
      
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在本文中全面指出了利用各种通道的相位差动保护的8种原理和利用各种通道的方向保护的6种原理,根据对继电保护的基本要求,从14项主要指标对利用各种通道的方向保护(其中包括距离保护)和相位差动保护的不同原理和方案进行原则上的评价,并作出了一般性的结论。

The application of sigle-phase(or combination type)autoreclosure to 220 kv high voltage transmission systems is reviewed,Various dectermining factores affecting the design and opezation of phase-discriminating relays reolosing eircutis and protective relays of singie phase autoreclosure on 220 kv systems are investigated,together with practical problems encountered in actural application and operation and auggested methods of solution some peculiar features in enonection with circuit breakers are analysed .The...

The application of sigle-phase(or combination type)autoreclosure to 220 kv high voltage transmission systems is reviewed,Various dectermining factores affecting the design and opezation of phase-discriminating relays reolosing eircutis and protective relays of singie phase autoreclosure on 220 kv systems are investigated,together with practical problems encountered in actural application and operation and auggested methods of solution some peculiar features in enonection with circuit breakers are analysed .The paper also presents some field test results on arcing fauit deionizing time etc,and concludes with some brief notes on the future development of sigle-phase autoreclosure on 220kv high voltage transmission systems.

本文综述了单相(综合)重合闸装置在220千伏高压电网上的应用。对220千伏电网上的选相装置、重合闸装置和继电保护装置进行了扼要的分析,并提出了运行整定上的主要问题和应考虑的具体措施或解决方向。对运行中的某些特殊情况(如断路器的性能),作了简要的说明。在线路消弧方面,提供了某些现场试验的实测桔果。最后,对220千伏高压系统上单相(综合)重合闸装置的今后方向,提出了简要的看法。

An exact mathematical model for the calculation of electrical quantities of single-tower double circuit transmission system is proposed in this paper. The model can be used to investigate the rational arrangement of the six phase-conductors of the double circuit; the reasonable way of transposition of conductors, the estimation of the secondary arc current and its compensation methods ; the protective relaying scheme suitable for multi-phase reclosing, etc. This mathematical model is more flexible and convenient...

An exact mathematical model for the calculation of electrical quantities of single-tower double circuit transmission system is proposed in this paper. The model can be used to investigate the rational arrangement of the six phase-conductors of the double circuit; the reasonable way of transposition of conductors, the estimation of the secondary arc current and its compensation methods ; the protective relaying scheme suitable for multi-phase reclosing, etc. This mathematical model is more flexible and convenient as compared with the cascade type structure of A, B, C, D. For the formation of the nodal impedance matrix, an algorithm using partial 6 x 6 matrix, representing the six phases of the double circuit arrangement respectively, is proposed. Owing to the fact that the mutuals between phases are contained implicitly inside the 6 x 6 matrix, so that this algorithm is much more simpler than the conventional algorithm. Thus, the program of calculation is simplified and computing time is saved.

本文提出了计算并架双回路输电系统电量的精确数学模型。可以用它来研究:双回路六线相别的合理排列;双回路合理的换位方式;平行线路的潜供电流及其补偿方法;双回路采用多相重合闸时的选相元件和继电保护方式等等问题。这个数学模型较之用ABCD传递阵方法构成的数学模型使用起来灵活方便。在形成节点阻抗矩阵方面,提出了六线成组追加的方法,由于在这种方法中,互感采取了隐含的形式,所以比常用的支路追加方法要简单得多,从而简化了计算程序,节约了机时。

 
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