• 高压直试验变压器例行试验之一

    HVDC test is one of routine tests on the converter transformer.

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  • 一个循环换流用于调节设备电力供应

    A cycloconverter will be used to regulate the electrical supply to the equipment.

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  • 换流单元产生谐波会线路

    The converter units generate harmonics which flow in the AC and DC lines.

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  • 提出一种求解车间调度优化算法

    An ant colony optimization based algorithm for permutation flow shop scheduling was proposed.

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  • 介绍了现代HVDC换流设计特点及新增特性。

    The new features of modern HVDC converter valves are introduced briefly.

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  • 中的箭头说明了在用户交互作用基础页面

    The arrows in the diagram illustrate the transition flow of the pages based on the user interaction.

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  • 系统开发了计及电压对称QSS换流模型

    The QSS converter model in account of unsymmetric commutating voltages is developed for DC system.

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  • 对于比较复杂对象应该使用定义程序定义转

    For more complex objects, you should define the conversion process using a custom converter.

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  • 失去呼吸空气干燥冬天使用水化系统

    To replace the water lost perspiring and breathing the dry winter air, use a hydration system.

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  • 文中导出了这波形阶梯高度变压器线匝换流元件设计公式

    A number of design formulars for the step height of waveform, the transformer coil and commutation components are derived.

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  • 启用禁用查询规划跟踪称为规划捕获一个查询

    Enables or disables query plan tracing, also known as a plan tree, which captures the transformation process of a query.

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  • 模型考虑换流开关电路动态特性适用高频动态特性分析

    The model considers the dynamics of converter switch circuit and can be applied in the analysis for high frequency dynamic characteristics.

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  • 在线辨识方法获得电机参数计算换流超前,提高计算的准确性

    Motor parameters obtained with on line identification were used to calculate the lead Angle, thus its accuracy was raised.

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  • 会谈期间,他们讨论世卫组织合作中心网络病毒问题。

    During the meeting, they discussed the sharing of influenza viruses with the WHO Network of Collaborating Centres for Influenza.

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  • 本文还技术经济角度出发给出了几点电容换流器数值选取建议

    Moreover, several recommendations on the selection of commutated capacitor's size were presented considering the technological and commercial factors.

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  • 通过数学建模,找出尖峰电压换流缓冲器保护元件参数之间关系。

    The relation between switching current overvoltage and parameters of snubber components is founded according to mathematics modeling.

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  • 介绍几种混合式断路器典型结构阐述自然强制换流原理

    This paper introduces several typical structures of HCB and expatiate on the principle of naturally current commutating and constrainedly current commutating.

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  • 晶闸管换流采用将高压换流器的可靠性提高相当惊人水平

    The use of thyristor valves has increased the reliability of HVDC converters to impressive levels.

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  • 交交变频器采用面向线路模型,并加入模式正、负换流模式。

    Circuit oriented model of cycloconverter is developed by adding tube changing mode and group changing mode.

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  • 换流控制系统过电压第一峰值没有影响以后的峰值控制作用

    The Converter Control system has no effect on the first crest overvoltage but may have effect on the following crest overvoltage.

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  • 另外宣布的是,ABB选中换流提供800千伏特高压直变压器设备。

    As separately announced, ABB has also been selected to supply the 800 kilovolt (kV) UHVDC transformers for both converter stations.

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  • 传统变压器相比补偿谐波屏蔽换流变压器具有独特的绕组联结方式

    Compared with the traditional converter transformer, the auto compensator and harmonics shade converter transformer has a unique connection.

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  • 换流载频噪声干扰换流站交直运行时开断暂态过程引起的。

    The carder frequency noise interference in the HVDC converter station is caused by the transition of the converter valve switching.

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  • HVDC谐波计算中经典模型不能完整再现换流器直谐波某些特性

    The classical converter model has been proved to be insufficient in representing the characteristics of the DC side harmonics in HVDC system.

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  • 波器中主晶闸管反压时间准确分析计算设计电感值与换流电容值重要依据

    Accurate analysis and calculation of reverse-bias interval for main thyristor are the important basis to design the commutation capacitance and inductance.

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  • 成功关键在于保持所有移动部件战略战术目标一致同时决定从哪里开始

    The key to success lay in determining where to start the transformation process while keeping all moving parts aligned to strategic and tactical goals.

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  • 对于管理模型标记(MDA中的必要单元)来说,profile也是有用的机制

    Profiles are also a useful mechanism for managing model markings, a necessary element of the MDA transformation process.

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  • 实验结果表明这种探头较好的频率响应特性能满足闸管电位分布测量需要

    The experimental results show that the probe has good frequency response characteristics which meet the requirement of measuring voltage distribution of thyristor in converter valve.

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  • 简要介绍换流换流传导噪声产生传播方式以及邻近电力线载波通道影响

    This article briefly introduces the produce of transmitting noise caused by converter valves, noise propagation mode, and its affection to adjacent power line carrier channels.

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  • 如果认为结构内容互相适应的,那么可以大型示例完成整个然后评估结果

    When you believe the structure and content are coming together, go through your full conversion workflow with a good-sized sample, then review the results.

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