| 叶天华， 杨欢， 张烨璐.Y型模块化多电平变换器原理及其在中压馈线互联中的研究[J].轻工机械,2018,36(5):45-52 |
| Y型模块化多电平变换器原理及其在中压馈线互联中的研究 |
| Principle of Y Modular Multilevel Converter and Its Application in Medium Voltage Feeder Interconnection |
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| DOI：10.3969/j.issn.1005 2895.2018.05.009 |
| 中文关键词: Y型模块化多电平变换器 柔性多状态开关 双闭环控制策略 MATLAB/Simulink仿真 调制策略 |
| 英文关键词:Y modular multilevel converter (Y MMC) SNOP（soft normally open point） double closed loop control strategy MATLAB/Simulink
simulation modulation strategy |
| 基金项目:国家电网公司科技项目（521104170043） |
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| 中文摘要: |
| 针对未来配网中压馈线柔性互联的迫切需求，提出了采用Y型模块化多电平变换器(Y modular multilevel converter, Y MMC)实现柔性多状
态开关功能的研究思路。首先分析其拓扑结构与工作原理，采用功率外环电流内环的双闭环控制策略，在MATLAB/Simulink平台中搭建了系统仿真模型。在10 kV
中压配网环境下，仿真研究了Y MMC对有功功率和无功功率的传输性能及系统的动态响应。结果表明所搭建的系统有较好的性能，该研究为新型交 交拓扑的
柔性多状态开关用于中压配网环境下的适用性提供了参考。 |
| 英文摘要: |
| In view of the urgent demand of the flexible interconnection of medium voltage feeders in the future distribution network, the research strategy of using
Y modular multilevel converter (Y MMC) to realize soft normally open point(SNOP) was proposed. The topology and working principle of Y MMC were analyzed. A double closed
loop control strategy based on power outer loop and current inner loop was adopted to establish a system simulation model in MATLAB/Simulink platform. In the 10 kV medium voltage
distribution network environment, the transmission performance of Y MMC to active power and reactive power as well as the dynamic response of the system was simulated. Simulation
results show that the system has good performance, which provides reference for the applicability of the SNOP for the new type of AC AC topology in the medium voltage distribution
network environment. |
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