超高压直流输电设备产业化。
Industrialization of Ultra-High Tension DC Transmission Equipment.
在特高压直流输电中换相失败也是主要的故障。
Commutation failure is one of the most common failures for the high voltage direct current transmission system.
高压直流输电系统中最关键的部分是控制保护部分。
Control and protect section is the most pivotal section in HVDC system.
换相电抗是高压直流输电系统中的一项重要技术参数。
Commutated reactance is an important parameter in HVDC transmission system.
高压直流输电系统在一定条件下可能引发系统的次同步振荡。
The HVDC transmission system may lead to subsynchronous oscillation under certain circumstances.
滤波装置的设计是高压直流输电(HVDC)的关键技术之一。
The design of filtering equipments is one of the key technologies of the High Voltage Direct Current (HVDC) system.
换流站直流滤波装置的设计关系到高压直流输电系统的安全与经济性。
The design of filtering equipments at dc side of the converter substations is relative to the security and economy of the high voltage direct current (HVDC) transmission system.
因此对高压直流输电系统及其控制器参数优化的研究是十分必要和重要的。
So it's quite necessary to study HVDC system and the optimization of parameters of the control system.
背靠背高压直流输电(HVDC)系统已经在交流系统连网中得到了应用。
在构成高压直流输电系统一系列关键技术中，滤波装置占据十分重要的地位。
The filtering equipment is an important part of a series of key techniques of high voltage direct current (HVDC)power transmission systems.
提出了一种适用于高压直流输电系统快速灵活控制的在线模糊神经直流控制器。
This paper describes an on - line controller for the fast and flexible control of the HVDC transmission system based on fuzzy logic and ANN.
提出了一种新的故障跟踪估计器来诊断高压直流输电(HVDC)系统中的故障。
A novel fault tracking approximator for fault diagnosis scheme of high voltage direct current transmission (HVDC) system is proposed.
对该问题的研究解释了由高压直流输电系统控制器诱发汽轮发电机组轴系扭振的机理。
Through studying, the mechanism of the subsynchronous torsion oscillation caused by the controller of HVDC system has been understood.
随着电力电子器件制造技术的进步，高压直流输电技术迎来了一个蓬勃发展的新时期。
With the development of power electronic devices technology, HVDC got into a new period of vigorous advancement.
目前，在全世界现有的高压直流输电方案中，最高电压水平限于500～600kV之间。
Now the highest voltage level of the world-wide HVDC power transmission is between 500~600kV.
轻型高压直流输电是在电压源换流器和绝缘栅双极晶体管基础上开发出来的一种新型输电技术。
The light HVDC transmission is a new power transmission technology based on the voltage source converters(VSCs) and IGBT power semiconductors.
我国现有特高压直流输电工程均以输电线路等效干扰电流ieq作为直流滤波性能的衡量指标。
At present, the equivalent disturbing current Ieq of transmission line is taken as the index to judge DC filter effect for UHVDC power transmission projects in China.
特高压直流输电具有送电容量大、送电距离远等优点，在今后的能源流动中具有不可替代的地位。
The UHVDC power transmission possesses such advantages as high transmission capacity and long working distance, so its position can not be replaced in the electric energy flowing in the future.
高压直流输电(HVDC)由于其许多独特的优点，在远距离输电和大型互联电网中起着很重要的作用。
Due to its distinct advantages, HVDC plays an important role in long distance power transmission and large-scale interconnected power systems.
高压直流输电系统架空线路只需正负两 极导线，可实现大功率、低损耗、长远距离电力的直接输送；
The overhead line of HVDC power transmission system needs positive and negative leads only, allowing for high power, low loss and long distance power transmission;
基于电路基本理论知识，推导出多馈入交、直流并联的高压直流输电系统耦合导纳和换相电压关系表达式。
Based on electrical circuit theory, the formulation of the relation between mutual admittance and converter commutation voltage of the multi-infeed HVDC system was given.
基于故障树法对同一系统的分析结果验证了GO法在特高压直流输电系统可靠性分析中的可用性与正确性。
The fault tree analysis method was used to analyze the same system, and the analysis results completely accorded with the GO methodology.
分析了高压直流输电（HVDC）系统的结构和原理，建立了一个6脉冲桥HVDC系统模型并进行了仿真。
This paper analyzes the structure and principle of high voltage DC transmission(HVDC)system, builds a model of 6-impulse bridge HVDC system and makes a emulate on it.
特高压直流输电技术可以帮助更加高效地利用可再生能源、降低对化石能源的依赖，同时降低二氧化碳排放。
UHVDC technology enables more efficient use of renewable energy sources, reduces dependency on fossil fuels and helps cut carbon dioxide emissions.
在研究高压直流输电所引起的谐波问题时，应该将交流和直流系统作为一个整体来计算，才能获得准确的结果。
So far in studying harmonic problems caused by HVDO transmission, the ac and DC systems should be treated as a whole to obtain accurate results.
超高压直流输电技术特别适合类似中国这样领土广阔的国家，这些国家需要电力的中心区域一般离发电站都较远。
UHVDC is particularly suitable for vast countries like China, where the centers that need power are often located far from power sources.
在风电场混合并网系统中，通过电压源换相高压直流输电可以控制系统中的无功功率、抑制并网公共点的电压波动。
In interconnected hybrid wind farm system, the voltage fluctuation can be alleviated and the reactive power can be controlled by voltage source converter.
在风电场混合并网系统中，通过电压源换相高压直流输电可以控制系统中的无功功率、抑制并网公共点的电压波动。
In interconnected hybrid wind farm system, the voltage fluctuation can be alleviated and the reactive power can be controlled by voltage source converter.
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