介绍了现代HVDC换流阀的设计特点及新增特性。
The new features of modern HVDC converter valves are introduced briefly.
同时还考虑了换流器换流时换流阀内电压振荡特性。
At the same time, the voltage oscillation characteristics in the converter valve are considered while the converter is in service.
直流输电换流阀的电压分布性能是其重要电气特性之一。
The voltage distribution performance of high voltage DC (HVDC) converter valve is one of important research contents about its electric characteristics.
晶闸管器件性能和缓冲电路参数会影响换流阀内电压分布特性。
The performance of thyristors and the parameters of snubber circuit can significantly affect the voltage distribution in converter valves.
首先介绍换流阀及其控制、冷却和保护系统的内部结构和功能。
The authors present the internal structure and functions of converter valve and its control, cooling and protection system.
文章主要对柔性直流输电换流器的换流阀进行可靠性建模与分析。
The reliability model and analysis method of the converter valves in VSC-HVDC system is mainly concerned.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
晶闸管换流阀的采用已将高压直流换流器的可靠性提高到相当惊人的水平。
The use of thyristor valves has increased the reliability of HVDC converters to impressive levels.
换流阀内可控硅端电压分布特性取决于可控硅器件性能和相应的缓冲电路参数。
Both performance of thyristor and parameters of snubber circuit significantly affect voltage distribution in HVDC thyristor valve.
在探讨可控硅换流阀内暂态过电压分布特点的基础上建立了阀体的嵌套等值电路模型。
An equivalent circuit model of a thyristor valve is established, through detailed study on characteristics of its transient overvoltage distributions.
直流换流站载频噪声干扰，是由换流站交直流换流运行时换流阀开断的暂态过程引起的。
The carder frequency noise interference in the HVDC converter station is caused by the transition of the converter valve switching.
实验结果表明，这种探头有较好的频率响应特性，能满足换流阀晶闸管电位分布测量的需要。
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.
根据高压换流阀中晶闸管的布置情况，设计了冲击电压测量用电阻型传感器探头的外形结构。
According to the arrangement of thyristors in HVDC converter valve, the configuration of a high voltage resistive probe used for impulse voltage measurement has been designed especially.
简要介绍了换流站换流阀的传导噪声的产生、传播方式以及对邻近的电力线载波通道的影响。
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.
通过计算，得到不同电压等级和不同冗余下的换流阀可靠性指标，最后选择合理的冗余方案。
By means of calculation and analysis, the reliability indices of converter valve under various voltage classes and different redundancies are obtained, then rational redundant scheme is chosen.
在简要介绍直流接地过流保护原理的基础上，分析了换流变阀侧接地故障的故障特征以及换流阀换相过程对故障电流的影响。
By employing the DC earthed protection theory, this paper analyzes the characteristics of the converter transformer earth fault and the influence of converter commutation.
本文给出了一种高压直流换流器的暂态数学模型——等值电路法(ecm)。这种方法以简单、明晰的方式描述了换流器阀的所有可能的导通模式。
This paper presents a transient mathematical model of the HVDC converters-Equivalent Circuit Method (ECM), which can describe all possible states of converter valves in a simple and explicit way.
末端加压法对高压直流输电系统所用换流变压器阀侧套管预防性试验，特别是将来特高压直流换流变压器阀侧套管预防性试验具有较高的实用价值。
Applying voltage into the bushing tap method for preventive test of converter transformer value side bushing in HVDC, especially in the future for UHV, will have better practical value.
在此基础上，对该换流站阀厅结构体系在不同峰值、不同场地和不同方向地震波作用下，分别进行了动力时程分析。
On this basis, dynamic time history analysis was carried out in different peaks, different areas and different directions of seismic waves for this inverter station valve hall.
换流变压器绝缘最关键的部位是由套管及纸板围屏系统组成的阀侧出线装置。
The most important part of converter transformer insulation is the valve side outlet device, which consists of bushing and surrounding barrier system.
通过一个有解析解的双层有损同轴绝缘结构模型，验证了方法的有效性。最后，分析了一个换流变压器阀侧绕组典型绝缘结构的极性反转电场变化过程。
The proposed method was verified by a simple model, which has analytical solutions, and used to analyze the pr process of a typical oil-paper insulation structure of converter transformer.
通过一个有解析解的双层有损同轴绝缘结构模型，验证了方法的有效性。最后，分析了一个换流变压器阀侧绕组典型绝缘结构的极性反转电场变化过程。
The proposed method was verified by a simple model, which has analytical solutions, and used to analyze the pr process of a typical oil-paper insulation structure of converter transformer.
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