| 电网技术 2010, 34(1) 62-67 DOI: ISSN: 1000-3673 CN: 11-2410/TM | |||||||||||||||||||||||||||||||||||||||||||||||||
| 本期目录 | 下期目录 | 过刊浏览 | 高级检索 [打印本页] [关闭] | |||||||||||||||||||||||||||||||||||||||||||||||||
| 电力系统 |
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| PSD-BPA暂态稳定程序中的新直流输电准稳态模型 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 宋新立1,吴小辰2,刘文焯1,许爱东2,卜广全1,金小明2 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.中国电力科学研究院,北京市 海淀区 100192; 2.中国南方电网技术研究中心,广东省 广州市 510623 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 摘要:
为适应大量直流输电工程投产的需要,为电网运行和规划设计等部门提供准确的分析研究手段,对暂态稳定程序中的两端直流输电模型进行深入研究,改进了直流输电系统的模拟方法。在国内广泛应用的PSD-BPA暂态稳定程序中增加一组新的直流输电控制系统模型。新模型中的定电流、定熄弧角、定电压等控制采用参数和特性易于调节的比例积分模块,电流定值计算、低压限流、逆变侧换相失败等主要环节的模拟与实际系统特性更为相近。仿真结果表明,与国内程序原有的直流输电模型相比,新模型能更准确地模拟直流输电系统的动态行为,提高暂态稳定仿真的准确度。 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 关键词: 高压直流输电 准稳态模型 控制系统 换相失败 低压限流 电力系统稳定 仿真 | |||||||||||||||||||||||||||||||||||||||||||||||||
| New Quasi-Steady-State HVDC Models for PSD-BPA Power System Transient Stability Simulation Program | |||||||||||||||||||||||||||||||||||||||||||||||||
| SONG Xin-li1, WU Xiao-chen2, LIU Wen-zhuo1, XU Ai-dong2, BU Guang-quan1, JIN Xiao-ming2 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. China Electric Power Research Institute, Haidian District, Beijing 100192, China; 2. China South Grid Technology Research Center, Guangzhou 510623, Guangdong Province, China | |||||||||||||||||||||||||||||||||||||||||||||||||
| Abstract:
To meet the increasing demands of HVDC power transmission projects being put into operation and offer accurate dynamic analysis and research manners to operation, design and planning departments of power grids, the two terminal HVDC power transmission models of transient stability simulation programs are researched in depth and a group of new control system models, namely the quasi-steady-state (QSS) HVDC models, for power system transient stability simulation are proposed and added into the PSD-BPA transient stability analysis program that is widely used in China, thus the simulation ways for HVDC power transmission system are improved. In QSS models the proportional-integral modules, which are conveniently to be controlled, are adopted for the control of constant current, constant extinction angle and constant voltage, and the simulation results of main elements, such as current setting, voltage dependent current order limit (VDCOL) and commutation failure at DC inverter side and so on, are more close to the characteristics of actual system. Simulation results show that comparing with HVDC power transmission models originally existing in domestic programs, new QSS models can simulate dynamic behavior of HVDC power transmission systems and the accuracy of transient stability simulation results is improved. | |||||||||||||||||||||||||||||||||||||||||||||||||
| Keywords: HVDC quasi-steady-state (QSS) model control system commutation failure voltage dependent current order limit (VDCOL) power system stability simulation | |||||||||||||||||||||||||||||||||||||||||||||||||
| 收稿日期 2009-08-12 修回日期 2009-09-21 网络版发布日期 2010-02-02 | |||||||||||||||||||||||||||||||||||||||||||||||||
| DOI: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 基金项目: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 通讯作者: 宋新立 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 作者简介: 宋新立(1971—),男,硕士,高级工程师,主要从事电力系统仿真软件开发和电力系统分析工程研究,E-mail:Songxl@epri.sgcc.com.cn; 吴小辰(1972—),男,硕士,教授级高级工程师,主要从事电力系统稳定分析与控制方面的研究; 刘文焯(1972—),男,硕士,高级工程师,主要 从事仿真软件开发和电力系统分析工程研究; 许爱东(1977—),男,硕士,高级工程师,主要从事电力系统稳定分析与控制方面的研究。 | |||||||||||||||||||||||||||||||||||||||||||||||||
| 作者Email: songxl@epri.ac.cn;xinlisong@sina.com | |||||||||||||||||||||||||||||||||||||||||||||||||
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| 参考文献: | |||||||||||||||||||||||||||||||||||||||||||||||||
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