模块化多电平换流器型柔性直流系统的等效仿真方法比较
基于模块化多电平换流器（MMc）的柔性直流输电系统，其动态仿真分析面临着元件多、步长小、计算耗时极长的难题。比较了针对这一难题所提出的四种MMC等效仿真方法。通过比较四种等效方法与MMC详细电路仿真方法的仿真速度、对仿真步长的要求和不同稳定性侧面（低频振荡、短路故障、次同步振荡）的仿真精度，分析了四种等效方法各自的特点。分析结果为确定在不同分析目标和准确性要求下，应选择哪种等效仿真方法最合理提供了依据。同时该结果为进一步研究MMC型柔性直流输电系统的等效仿真方法奠定了基础。...
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| Published in | 电力系统保护与控制 Vol. 43; no. 12; pp. 43 - 48 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
南方电网科学研究院,广东 广州,510062%清华大学电机系电力系统国家重点实验室,北京,100084
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
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| Abstract | 基于模块化多电平换流器（MMc）的柔性直流输电系统，其动态仿真分析面临着元件多、步长小、计算耗时极长的难题。比较了针对这一难题所提出的四种MMC等效仿真方法。通过比较四种等效方法与MMC详细电路仿真方法的仿真速度、对仿真步长的要求和不同稳定性侧面（低频振荡、短路故障、次同步振荡）的仿真精度，分析了四种等效方法各自的特点。分析结果为确定在不同分析目标和准确性要求下，应选择哪种等效仿真方法最合理提供了依据。同时该结果为进一步研究MMC型柔性直流输电系统的等效仿真方法奠定了基础。 |
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| AbstractList | TM71; Abstract:For modular multilevel converter (MMC) based high-voltage direct-current (HVDC) system, its dynamic simulation faces the problems of cumbersome construction, small simulation step and extremely time-consuming. Based on the review of the results of existing research, four equivalent models are proposed for accurate and accelerated simulation. The four types of equivalent models are investigated by comparative study. All equivalent models are compared with the original detailed MMC’s circuit model. Their key characteristics in simulation are examined. The key characteristics include the simulation speed, the required minimum simulation step and the accuracy for different stability studies (for instance, low-frequency oscillation, short-circuit fault and sub synchronous oscillation). The comparative study of different models provides a reference for selecting a reasonable equivalent model for different targets and requirements. And the results of this work lay a foundation for further improvement 基于模块化多电平换流器（MMc）的柔性直流输电系统，其动态仿真分析面临着元件多、步长小、计算耗时极长的难题。比较了针对这一难题所提出的四种MMC等效仿真方法。通过比较四种等效方法与MMC详细电路仿真方法的仿真速度、对仿真步长的要求和不同稳定性侧面（低频振荡、短路故障、次同步振荡）的仿真精度，分析了四种等效方法各自的特点。分析结果为确定在不同分析目标和准确性要求下，应选择哪种等效仿真方法最合理提供了依据。同时该结果为进一步研究MMC型柔性直流输电系统的等效仿真方法奠定了基础。 |
| Abstract_FL | For modular multilevel converter (MMC) based high-voltage direct-current (HVDC) system, its dynamic simulation faces the problems of cumbersome construction, small simulation step and extremely time-consuming. Based on the review of the results of existing research, four equivalent models are proposed for accurate and accelerated simulation. The four types of equivalent models are investigated by comparative study. All equivalent models are compared with the original detailed MMC’s circuit model. Their key characteristics in simulation are examined. The key characteristics include the simulation speed, the required minimum simulation step and the accuracy for different stability studies (for instance, low-frequency oscillation, short-circuit fault and sub synchronous oscillation). The comparative study of different models provides a reference for selecting a reasonable equivalent model for different targets and requirements. And the results of this work lay a foundation for further improvement on equivalent models of MMC-based VSC-HVDC systems. |
| Author | 杨煜 孙大卫 谢小荣 黎小林 |
| AuthorAffiliation | 南方电网科学研究院,广东广州510062 清华大学电机系电力系统国家重点实验室,北京100084 |
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| Author_FL | YANG Yu SUN Dawei LI Xiaolin XIE Xiaorong |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Comparative study on the accelerated models of MMC-based VSC-HVDC systems |
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| GrantInformation_xml | – fundername: 国家自然科学基金资助项目; 国家高技术研究发展计划项目(863项目)(2012AA050216) This work is supported by National Natural Science Foundation of China; National High-tech R & D Program of China (863 Program) funderid: (51322701); (51322701); (2012AA050216) |
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| Keywords | simulation speed modular multilevel converter (MMC) 模块化多电平换流器 simulation step 电磁仿真 equivalent model electromagnetic simulation 柔性直流输电 等效仿真 仿真速度 仿真步长 HVDC |
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| Notes | YANG Yu, SUN Dawei, XIE Xiaorong, LI Xiaolin （1. Electric Power Research Institute, CSG, Guangzhou 510062, China; 2. State Key Lab of Control and Simulation of Power System and Generation Equipment （Tsinghua University）, Beijing 100084, China） For modular multilevel converter （MMC） based high-voltage direct-current （HVDC） system, its dynamic simulation faces the problems of cumbersome construction, small simulation step and extremely time-consuming. Based on the review of the results of existing research, four equivalent models are proposed for accurate and accelerated simulation. The four types of equivalent models are investigated by comparative study. All equivalent models are compared with the original detailed MMC’s circuit model. Their key characteristics in simulation are examined. The key characteristics include the simulation speed, the required minimum simulation step and the accuracy for different stability studies （for instance, low-frequency oscillation, short-circuit fault and sub synchronous osc |
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| Publisher | 南方电网科学研究院,广东 广州,510062%清华大学电机系电力系统国家重点实验室,北京,100084 |
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| Snippet | 基于模块化多电平换流器（MMc）的柔性直流输电系统，其动态仿真分析面临着元件多、步长小、计算耗时极长的难题。比较了针对这一难题所提出的四种MMC等效仿真方法。通过比较四... TM71; Abstract:For modular multilevel converter (MMC) based high-voltage direct-current (HVDC) system, its dynamic simulation faces the problems of cumbersome... |
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| SubjectTerms | 仿真步长 仿真速度 柔性直流输电 模块化多电平换流器 电磁仿真 等效仿真 |
| Title | 模块化多电平换流器型柔性直流系统的等效仿真方法比较 |
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