Present status and prospect of HVDC transmission in China.

中国直流输电的现状及展望。

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

高压直流试验是换流变压器的例行试验之一。

PI control policy is commonly used for conventional control of HVDC.

HVDC系统的常规控制普遍采用PI控制策略。

Control and protect section is the most pivotal section in HVDC system.

高压直流输电系统中最关键的部分是控制保护部分。

All four HVDC links that have been built to date were delivered by ABB.

迄今为止，全部建成的四条HVDC传输线全部由abb交付。

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

介绍了现代HVDC换流阀的设计特点及新增特性。

Analysis on influence of ground electrode current in HVDC on AC power network.

直流输电系统接地极电流对交流电网的影响分析。

The method presented is applicable for the analysis of HVDC unipolar ionized field.

该方法可适用于HVDC单极离子流场的计算分析。

This fact should be considered in the insulation design of HVDC transmission lines.

这一事实在HVDC输电线路的绝缘设计中必须考虑。

The performance of its basic controller decides the operation condition of HVDC system.

HVDC系统能否正常运行与其基本控制器的性能息息相关。

A novel HVDC supplementary controller based on Phasor Measurement Unit (PMU) is proposed.

提出了一种基于同步相量测量单元(PMU)的直流附加控制器。

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

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。

HVDC Light has been put into practice successfully, but there are many problems on it to be solved.

轻型HVDC在实际电力系统中已经得到了成功应用，但许多问题亟待解决。

A method for selecting the modulation signals of multiple HVDC supplementary controllers is proposed.

提出一种多直流附加控制器调制信号的选取方法。

So it's quite necessary to study HVDC system and the optimization of parameters of the control 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。

Besides, the parameters of HVDC controller is optimized by use of the optimization function of NETOMAC.

此外，还应用NETOMAC软件的优化功能对HVDC控制器的参数进行了优化。

A method of reliability evaluation for HVDC systems based on Bayesian network is proposed in this paper.

该文提出了将贝叶斯网络应用于高压直流系统可靠性评估的方法。

The control strategy of start-up process of HVDC based on voltage source converter (VSC-HVDC) is discussed.

对基于电压源换流器(vsc)的直流输电(VSC - HVDC)系统的起动过程控制策略进行了研究。

In future, several HVDC systems will set in Shanghai, which is expected to create a multi-inked HVDC system.

未来多个直流输电系统落点于上海地区，将构成多馈入直流输电系统。

It is necessary to quantitatively calculate the losses of HVDC system to reduce its loss and improve its economy.

为进一步降低直流输电系统的网损，提高直流输电系统的经济性，有必要对直流输电系统的网损进行定量计算。

Type and Parameters deployment of the regulators have direct effect on the operating characteristic of HVDC system.

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。

The reliable HVDC pole blocking universal criteria are studied, initiated and applied in the stability control system.

研究并提出了可靠的直流极闭锁综合判据，并将其应用到稳定控制系统。

This paper introduced the characteristics and parameter selection of DC filter capacitor used in HVDC transmission system.

主要阐述了高压直流输换流站用直流滤波电容器的特点和设计参数的选择。

The robust adaptive control law is proposed for a HVDC power modulation controller of the interconnected AC/DC power system.

设计了应用于交直流互联电力系统的直流功率调制的非线性鲁棒自适应控制器。

It is useful for considering the functions of a HVDC link in studying interconnection of regional power grids in our country.

这有益于在研究区域电网互联时，充分考虑并发挥直流输电系统应有的作用。

Finally, the method of simplifying calculations and the application of this method to power systems with HVDC are introduced.

最后还分析了简化计算的方法和将它推广应用于有直流输电线路时的情况。

In addition to handling the power exchange, this sophisticated HVDC system can stabilize voltages and frequencies on Sardinia.

除了处理电力转换交流，该复杂的HVDC系统还可以稳定撒丁岛的电压和频率。

Both performance of thyristor and parameters of snubber circuit significantly affect voltage distribution in HVDC thyristor valve.

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。

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

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。