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| 高压直流输电系统运行特性及故障影响的仿真研究 |
| Simulation study on the operating performance and fault effects of HVDC systems |
| 投稿时间：2013-06-06 |
| DOI： |
| 中文关键词: 高压直流输电系统 频率响应 阶跃响应 故障特性 建模 |
| 英文关键词:HVDC transmission system frequency response step response fault characteristics simulation model |
| 基金项目: |
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| 中文摘要: |
| 直流输电系统的暂稳态仿真对于电力系统研究规划和设计运行等起着重要的作用.为了能较好地反映扰动下交直流系统间的相互作用，在MATLAB/Simulink软件环境下，针对高压直流输电（HVDC）系统及其变换器建立了详细的模型，进行了系统的稳态、电流参考值突变和直流联络线上的故障仿真，给出了相应的仿真波形，分析了直流输电系统中交直流系统间和直流系统间的复杂动态特性，为进一步研究HVDC系统运行稳定性提供了依据和基础. |
| 英文摘要: |
| Transient and steady-state simulation of HVDC transmission systems plays an important role in researching,planning and designing of the power system and in its operation.In order to better reflect the interaction between AC and DC systems under the disturbance,a simulation model for the HVDC system and its converter was established with MATLAB/Simulink.With this model,simulation of frequency response of the DC and AC systems,steady-state and step response,and DC transmission line fault was carried out.The complex dynamic characteristics between AC and DC systems were analyzed which provides the basis for the further research of the HVDC system operation and stability. |
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