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homopolar HVDC system 同极高压直流输电系统
It will be a bipolar HVDC system using two cables. 它是一个使用双线的双电极HVDC系统。
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。
Back to back HVDC system had been used to join AC systems. 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。
The mathematical model and the active and reactive power independent control strategy of VSC - HVDC system is studied. 对基于电压源换流器的直流输电(VSC-HVDC)系统的数学模型和有功、无功功率独立控制策略进行了研究。
In HVDC system, It is meaningful to search for a new way to mearsure the harmonic current. 在高压直流输电系统中,研究运用新的测量谐波电流的方法和技术有着重要的意义。
Stations in Northern Manitoba are connected by a HVDC system, the Nelson River Bipole, to customers in the south. 位于马尼托巴省北部的发电站使用高压直流电系统来传送电力到人口密度较高的南部。
Commutation failures are one of the common faults in HVDC systems. 换相失败是直流系统的最常见故障之一。
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。
A way of harmonic measurement based on Rogowski coil in HVDC system is introduced in this paper, the corresponding circuit is designed. 针对HVDC(直流高压)系统直流侧电网里的谐波,提出了基于罗氏线圈的测量方法,并设计了相应的电路。
A wide-area measurement system(WAMS)based fuzzy adaptive coordinative damping controller is developed for multi-infeed HVDC system. 提出一种基于广域测量系统的多馈入高压直流(HVDC)模糊自适应协调阻尼控制器。
The first of the 10 converter transformers using 800-kV technology for the HVDC system in China will be quickly followed by others. 第一次的10个换流变压器采用800千伏技术，高压直流输电系统在中国将很快应用，然后推广开来。
To meet the demands and minimize the operation cost of power system, as a novel technology, HVDC system will play an increasingly important role. 为了满足用户的巨大需求、提高系统的经济性,高压直流系统作为新兴技术正在发挥关键作用。
However, the ADF controller design is very difficulty employing conventional technique for overlong distance overhead DC line in HVDC system. 但是，对于超长距离架空线路的HVDC系统，ADF的控制器难以按常规方法设计。
A multi-infeed HVDC system model including AC/DC parallel lines was established, and the relation between its mutual admittance and converter commutation failure was analyzed. 建立了2条交、直流并联的多馈入高压直流输电系统模型，并对此模型的直流输电线的耦合导纳和换相失败关系进行详细的理论分析研究。
The operation principle and features of a new type HVDC insulation monitoring system were introduced.A scheme of HVDC system earth-fault detection was presented. 介绍了一种新型直流系统绝缘监测系统的工作原理及其特点，提出一种直流系统接地故障检测的方案。
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。
An electro-magnetic transient state simulation software named EMTDC/PSCAD was used to set up a simulation model of HVDC system to investigate the typical power system faults. 首先利用电磁暂态仿真软件EMTDC/PSCAD建立系统模型，对常见故障进行仿真研究。
A multi-infeed HVDC system model including AC/DC parallel lines was established,and the relation between its mutual admittance and converter commutation failure was analyzed. 建立了2条交、直流并联的多馈入高压直流输电系统模型,并对此模型的直流输电线的耦合导纳和换相失败关系进行详细的理论分析研究。
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。