它在高压设备电气绝缘测试、直流高压输电和静电设备上均有良好的应用前景。
It can be used in fields such as insulation test of high voltage equipments, DC power transmission system, static electrical equipments.
通过高压直流电电缆输电相同距离，损失只有2- 3%，这使得在最便宜的地方发电，再输电至最需要的地区去变得更易实现。
HVDC cables can transmit electricity over similar distances with losses as low as 2-3%, making it easier to generate electricity where it is cheapest and send it to where it is needed.
现在有人开始质疑这一标准的适用性，因为在远距离输电的情况下，采用高压直流(HVDC)要比高压交流损耗小。
Some people, however, question that standard because over long distances high-voltage DC lines suffer lower losses than AC.
比起交流输电和本地发电，轻型高压直流输电系统不仅具有成本优势，它也对提高交流电网电能质量提供了新的途径。
Compared to the ac Transmission and local power generation, HVDC light system is not only cost advantages, it also exchanges to enhance ac power quality for a new approach.
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.
同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。
At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.
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.
ABB与四方的合作关系可追溯至2000年，我们曾在三峡高压直流输电项目中一起合作并在灵宝项目一起中标，展开了全面合作的新篇章。
ABB and Sifang relationship and cooperation dates back to year 2000 and we have successfully worked together in the Three Gorges HVDC projects, Lingbao HVDC project among others.
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.
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.
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.
800千伏特高压直流变压器是实现远距离、大容量输电的特高压输电线路的关键设备。
The 800 kV UHVDC transformer is a key component of ultrahigh-voltage power links that deliver large amounts of electricity over very long distances.
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.
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.
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.
输电集团是高压领域的领先产品与解决方案供应商，是高压直流系统领域的技术领军者。
The Power Transmission Division is a leading supplier of products and solutions in the high-voltage field and technology leader in high voltage Direct Current systems.
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.
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.
电晕效应是特高压输电线路设计中所考虑的关键题目之一，温度、湿度对直流导线电晕影响规律是特高压直流输电线路设计的依据。
Corona effect is one of the key issues of designing UHV transmission lines, in which the influence of temperature and humidity on DC conductor corona should be considered.
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.
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.
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.
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.
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.
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.
在基于电压源换流器的高压直流输电(VSC -HVDC)交直流混合风电场并网系统中，控制VSC - HVDC送端站注入到PC C点的无功功率可以抑制电压波动。
In hybrid wind farm integration system based on HVDC of voltage source converter (VSC-HVDC), the voltage fluctuation can be alleviated by compensating reactive power to PCC from VSC-HVDC sending end.
针对新型高压直流输电模拟系统12脉波整流器与逆变器产生的谐波，设计了基于新型换流变压器的无源滤波器系统。
In view of harmonic which generated from the new-type HVDC analog system 12-pulse wave rectifiers and the inverter, designed passive filters system based on the new-type converter transformer.
在讨论电压源型高压直流输电（VSC-HVDC）的控制策略中，根据所给出的拓扑结构，建立三相静止系统下的数学模型；
According to the given topology of voltage source converter based HVDC system (VSC-HVDC), three-phases mathematic model in stationary frame is established.
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