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- Ultra HVDC transmission 特高压直流输电
- KEYWORDS: HVDC transmission; current of ground electrode; power transformer; DC magnetic biasing; noise. 关键词：高压直流输电；接地极地电流；电力变压器；直流偏磁；噪声。
- And then, the effect factors of HVDC transmission system reliability index are classified by outage component. 并将影响直流输电系统可靠性指标因素按停运部件原因进一步分类分析。
- The HVDC transmission system may lead to subsynchronous oscillation under certain circumstances. 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。
- Ooi Boon-Teck, Wang Xiao.Boost type PWM HVDC transmission system [J].IEEE Trans on Power Delivery, 1991,6(1): 1557-1563. 李庚银吕鹏飞等.;轻型高压直流输电技术的发展与展望[J]
- Several studies already done show that common grounding electrode would not influence the operation performances of two HVDC transmission... 这两套设计方案既能满足系统要求又能符合国家标准,不会对人身安全产生影响,可供建设共用接地极使用。
- The light HVDC transmission is a new power transmission technology based on the voltage source converters(VSCs) and IGBT power semiconductors. 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。
- In recent years, HVDC Transmission has been developed very fast in China.Its main characteristic is bulk power transmission over long distance. 中国直流输电在最近几年里得到快速的发展，它最主要的特点是长距离大容量的功率输送。
- As a core component of every HVDC transmission system, the converter transformers must also transform the voltage of the power grid to a voltage of 800 kV. 作为一个核心组成部分，每一个高压直流输电系统，换流变压器也必须改变电压的电网电压为800千伏。
- Considering the importance and particularity of HVDC transmission, the main aim of different research aspects in HVDC is to keep the steady and reliable operation of HVDC project. 直流输电的特点决定了它的特殊性及重要性，因此确保直流工程的稳定及可靠的运行是进行各种研究的主要目的。
- More, we built a traveling wave protecting model for HVDC transmission lines based on the GZB-SNQ HVDC project which could be run on the simulation software“PSCAD/ EMTDC”. 然后在天广直流输电系统的基础上,建立了基于仿真软件PSCAD/EMTDC的高压直流输电线路行波保护的数学模型。
- HVDC transmission is extremely economical for long distances where generation sites are remote from load centers because of lower transmission line costs. 由于较低的输电线路造价,高压直流输电对发电地点远离负荷中心的远距离输电极为经济。
- Finally, application examples of different voltage grade HVDC transmission systems are analyzed in some practical cases, and the future problems of the HVDC transmission development are discussed. 最后，针对具体案例分析了不同电压等级直流系统在规划电网中的适用性，对直流输电进一步发展需解决的问题进行了论述。
- To forecast the electromagnetic environment of HVDC transmission line, based on upstream finite element method (FEM) a corresponding analysis and forecasting software is developed. 为预测高压直流输电线路的电磁环境问题，基于上流有限元法开发了相应的分析预测软件。
- LIU Hong-chao,LI Xing-yuan.A Model Identification Method of HVDC Transmission Systems Based on Prony Analysis[J].Journal of Sichuan University(Engineering Science),2004,36(2):86-89. [2]刘红超;李兴源.;基于Prony算法的HVDC输电系统模型辨识[J]
- Li Xingyuan,Chen Lingyun,Yan Quan,et al.Design of nonlinear complementary controllers for multi-infeed hvdc transmission systems[J].Proceedings of the CSEE,2005,25(15):16-19(in Chinese). [2]李兴源;陈凌云;颜泉;等.;多馈入高压直流输电系统非线性附加控制器的设计[J]
- This paper introduces the advantages of HVDC transmission and some parameters used in evaluating the stability of HVDC system.It focuses on the relationship between stability and the SCR, ESCR, VSF. 本文介绍了直流输电的相对优势,以及常用的评价直流系统稳定性的参数,同时重点介绍了短路比(SCR)、有效短路比(ESCR)和电压稳定性因子(VSF),并说明了它们和电压稳定性的关系。
- Selection of Insulators on HVDC Transmission Line 直流输电线路绝缘子选择
- Study Mission Report on HVDC Transmission Operation 直流输电运行考察报告
- CONVERTER TRANSFORMER USED FOR HVDC TRANSMISSION 高压直流输电用换流变压器
