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直流工程
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  hvdc project
     (3) The impedance-frequency characteristic of HVDC converter and harmonic instabilityHarmonic instability has already led to several HVDC project shutdown in the pastdecades, while the impedance–frequency characteristic is important for analysis and solve thisproblem.
     (3) HVDC换流器阻抗频率特性与谐波不稳定谐波不稳定曾引起多个直流工程的闭锁,而HVDC换流器的阻抗频率特性是分析和解决谐波不稳定的一个重要因素。
短句来源
     Calculation and Analysis on Buried Electrode in Luchaogang-Shengsi HVDC Project
     芦潮港-嵊泗直流工程预选极址的接地极计算和分析
短句来源
     Summary of Converter Station Commissioning and System Commissioning for Lingbao Back to Back HVDC Project
     灵宝背靠背直流工程换流站和系统调试总结
短句来源
     System commissioning test of the Three Gorges-Guangdong HVDC project was summarized. The main technical contents of system commissioning test were introduced,and the technical problems appeared and being solved during the system commissioning test were analyzed and summarized.
     总结三峡—广东直流工程系统调试的全过程,阐述了三广直流工程系统调试的主要技术内容,对系统调试过程中出现和解决的主要技术问题进行了分析和概括。 通过三峡—广东直流输电工程的系统调试对三广直流工程一次和二次设备进行了全面考核。
短句来源
     Difference of C & P Systems Between Gui-Guang Ⅱ and Gui-Guang Ⅰ HVDC Project
     贵广Ⅰ、Ⅱ回直流工程控制保护系统的对比分析
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  dc project
     Design of E and F Types of gapless MOA for ±500kV DC Project
     ±500kV直流工程用E型、F型无间隙金属氧化物避雷器的设计
短句来源
     DC Harmonic Specification and Filter Type Requirement for Three Gorges DC Project
     三峡直流工程直流谐波规范及滤波器型式要求
短句来源
     Power Receiver System for Hulunbeier and Liaoning DC Project
     呼辽直流工程受端系统背景谐波潮流仿真计算
短句来源
     Then, on the basis of relevant research achievements abroad and practical experience on high-voltage tests of thyristor valves for Zhoushan Island DC project(China), The following problems are discussed in detail:Test requirements; Test items;
     然后,综合考虑国外有关的研究成果,并结合我国舟山直流工程所用可控硅阀高压试验的实践经验,深入探讨可控硅阀的试验要求、试验方法、试验项目以及试验电压参数选择等问题;
短句来源
     Study of Reliability for the Double Circuits on the Same Tower of Ge-Nan DC Project
     葛南同杆并架直流工程可靠性研究
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  “直流工程”译为未确定词的双语例句
     Application of D_(26B) 290 t Well Car in the Transport of Large Equipment in 500 kV Guiguang Direct Current Project
     D_(26B)型290t落下孔车在500kV贵广直流工程大型设备运输中的应用
     Yunnan-Guangdong ±800kV DC Transmission project is the first one in the world,the essentiality of the converter station power source went without saying.
     云广直流输电工程是世界上第一个±800kV等级的直流工程,终端换流站的站用电源重要性不言而喻。
短句来源
     In Lingbao BTB project, two complete sets of DC control & protection system are configured, which are based on the transferred technology from ABB and SIEMENS respectively.
     灵宝背靠背直流工程中,换流站控制系统及直流系统保护首次采用国产设备,分别配置了两个完整套,两 套分别基于ABB公司和SIEMENS公司的引进技术。
短句来源
     Innovations and Practices in Engineering Construction of Sanhu DC Power Transmission Project
     三沪直流工程建设创新与实践
短句来源
     The lastest method of air quality salt equivalent index has been studies and applied for detection of the pollution condition of the two selected spots and finally the basie pollution level of the spots are recommended and according to the pollution level and operating experience of Nanqiao Converting Station, the external insulating level and the design salt density of DC Supporter insulator ESDD are suggested.
     围绕三峡右岸± 5 0 0 k V直流工程上海换流站的选址工作 ,对上海青浦区白鹤、练塘两处集中的候选站址开展污秽调查 ,并研究和应用大气质量等盐指数的最新方法 ,监测和提出目前两处站址的基本污秽水平 ,并根据南桥换流站积污水平和运行经验 ,研究和提出候选点的外绝缘水平及直流支柱绝缘子 ESDD的设计盐密
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  hvdc project
The specifications of the main equipment of this HVDC project are listed in Table 1.
      
  dc project
All information was referenced back to the base data provided by the DC project team.
      
In the AC/DC project we applied the techniques and tools in practice.
      
In the figure there are two more stages which are specific for the AC/DC project, and we therefore postpone these technical stages to Sect.
      
In this section we present the access control model which was made by Dalcotech in the AC/DC project.
      
This compiler generates compact byte-code for a DOS-based interpreter, and is therefore useful in the AC/DC project.
      
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This paper gives a new method to digitally simulate the transient process of HVDC power systems. The computer program presented is capable of establishing the state equations in a rather sim-plier way. Both the steady and transient state behaviours as well as the performance of various controlling strategies and the problems of dynamic overvoltage of HVDC systems can be simulated by using this method. Some examples of calculation for a real HVDC system are given in the appendix.

本文介绍了一种研究直流输电暂态过程数字模拟的新方法。与以往文献介绍的方法相比,这套程序能以更简便的方法建立状态方程,对直流输电系统的稳态和暂态行为、各种控制方式以及某些动态过电压问题都可用这种新方法进行模拟计算。文中附有几个对实际直流工程问题的模拟算例。

The paper deals with high-voltage tests of thyristor valves for DC transmission. At the beginning, Brief descriptions of various electric stresses appearing on the valves and insulation characteristics of thyristor valves are given. Then, on the basis of relevant research achievements abroad and practical experience on high-voltage tests of thyristor valves for Zhoushan Island DC project(China), The following problems are discussed in detail:Test requirements; Test items; Test methods; Choice of characteristics...

The paper deals with high-voltage tests of thyristor valves for DC transmission. At the beginning, Brief descriptions of various electric stresses appearing on the valves and insulation characteristics of thyristor valves are given. Then, on the basis of relevant research achievements abroad and practical experience on high-voltage tests of thyristor valves for Zhoushan Island DC project(China), The following problems are discussed in detail:Test requirements; Test items; Test methods; Choice of characteristics of testing voltages.

本文探讨直流输电用可控硅换流阀的高压试验问题:首先简述可能作用于阀上的各种电压应力以及阀的绝缘特性;然后,综合考虑国外有关的研究成果,并结合我国舟山直流工程所用可控硅阀高压试验的实践经验,深入探讨可控硅阀的试验要求、试验方法、试验项目以及试验电压参数选择等问题;在此基础上,还进一步对IEC有关的推荐标准提出了某些修正意见。

This paper summarises principle and functions of control system for Gezhouba-Shanghai HVDC project. Type and Parameters deployment of the regulators have direct effect on the operating characteristic of HVDC system. According to the simulater studies, the paper also evaluates the regulator parameter optimization of the control system, and gives more advances proposal for improving dynamic characteristic of the HVDC system.

葛上直流工程包含十几个控制调节回路,它们不仅具有各不相同的控制调节功能,同时又有复杂的互耦关系,从而构成了葛上直流输电系统所特有的控制调节规律。调节器的选型及参数配置情况直接影响和决定整个直流系统的运行特性。本文从葛上直流输电系统的调节器特性分析入手,指出引进的调节器参数配置中存在的问题,并提出调节器优化后的参数。

 
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