| 引用本文: | 王小强,罗海云,涂小刚,等.基于VME总线的柔性直流输电系统阀控系统设计[J].电力系统保护与控制,2017,45(1):104-110. |
| WANG Xiaoqiang,LUO Haiyun,TU Xiaogang,et al.Valve control system based on VME bus of flexible HVDC system[J].Power System Protection and Control,2017,45(1):104-110 |
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| 摘要: |
| 为实现对基于MMC拓扑结构的高电压大容量柔性HVDC换流器的有效控制和监视，设计了一种采用基于VME总线的主从式系统架构的柔性直流输电用阀控系统。该系统选用MVME6100作为VME主处理器，外部使用SPARTAN-6和VIRTEX-6系列高性能FPGA板卡作为VME从处理单元，FPGA板底层实现了VME从板协议、Aurora和IEC60044-8通信协议。该系统采用VxWorks硬实时操作系统开发应用程序，并实现了最近电平逼近调制算法和环流抑制功能，可实现对换流器中上千个功率模块进行百微秒级周期的实时控制和监视。经过RT-LAB仿真试验验证，系统满足200电平系统的数据传输速率需求和控制规范要求。 |
| 关键词: 柔性直流输电 阀控系统 VxWorks VME64X总线 最近电平逼近调制 |
| DOI：10.7667/PSPC160098 |
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| 基金项目: |
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| Valve control system based on VME bus of flexible HVDC system |
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WANG Xiaoqiang,LUO Haiyun,TU Xiaogang,WANG Xiaogang
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(Xi’an XD Power System Company Limited, Xi’an 710065, China)
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| Abstract: |
| To achieve effective control and monitoring of flexible HVDC converter based on MMC topology at a high voltage large capacity, this paper designs a flexible HVDC valve control system based on VME master-slave bus architecture. The system selects the MVME6100 as main VME processor, and uses boards based on the SPARTAN-6 and VIRTEX series high performance FPGA as VME slave processing unit. The slave processing boards accomplish VME slave communication protocol, Aurora protocol and IEC60044-8 protocol as underlying communication mechanisms. This system adopts the VxWorks hard real-time operating system development application, and implements the Nearest Level Modulation algorithm and circulating current suppressing functionality, which can realize control period up to a hundred micro-seconds and can meet the real-time control and monitoring requirement of modules up to thousands in the converter. After RT-LAB simulation test, the system meets the requirements of data transfer rate of 200 levels system and the system control specification. |
| Key words: HVDC flexible valve control system VxWorks VME64X bus NLM |
