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国家电能变换与控制工程技术研究中心(湖南大学),湖南省长沙市 410082
Received:23 February 2023,
Revised:2023-05-23,
Published Online:07 August 2023,
Published:10 September 2023
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王鑫,郭祺,涂春鸣等.基于模块协同的混合式贯通牵引供电装置主动容错控制技术[J].电力系统自动化,2023,47(17):169-177.
WANG Xin,GUO Qi,TU Chunming,et al.Active Fault-tolerant Control Technology of Hybrid Advanced Co-phase Traction Power Supply Device Based on Module Cooperation[J].Automation of Electric Power Systems,2023,47(17):169-177.
王鑫,郭祺,涂春鸣等.基于模块协同的混合式贯通牵引供电装置主动容错控制技术[J].电力系统自动化,2023,47(17):169-177. DOI: 10.7500/AEPS20230223005.
WANG Xin,GUO Qi,TU Chunming,et al.Active Fault-tolerant Control Technology of Hybrid Advanced Co-phase Traction Power Supply Device Based on Module Cooperation[J].Automation of Electric Power Systems,2023,47(17):169-177. DOI: 10.7500/AEPS20230223005.
新型混合式贯通牵引供电装置(NH-ACTPSD)为消弭电分相与负序等电能质量问题提供了契机,但NH-ACTPSD的内部模块故障将引发网侧负序电流、健康模块功率越限等问题。为此,提出一种面向NH-ACTPSD内部模块故障的主动容错控制技术,包含输入与输出模块故障两种情况。在输入模块故障时,分别提出动态调制系数与功率局部不平衡控制方法,通过健康模块间的协调控制有效解决模块功率越限与网侧负序电流问题;在输出模块故障时,采用主动旁路与健康模块升压运行的方法,实现NH-ACTPSD额定电压与额定功率输出。最后,实验结果表明了所提主动容错控制技术的可行性与有效性。
The novel hybrid advanced co-phase traction power supply device (NH-ACTPSD) provides an opportunity to eliminate the problems of neutral section and negative sequences. However
the internal module failure of NH-ACTPSD will cause problems such as the grid-side negative sequence current and the healthy module power overload. Therefore
an active fault-tolerant control technology for the internal module fault of NH-ACTPSD is proposed
which includes both input and output module faults. When the input module is faulty
the dynamic modulation coefficient and the local unbalance control method of power are proposed to effectively solve the problems of healthy module power overload and grid-side negative sequence current through the coordinated control of healthy modules. When the output module is faulty
the methods of active bypass and healthy module boosting operation are adopted to realize the rated voltage and power output of NH-ACTPSD. Finally
the experimental results show the feasibility and effectiveness of the proposed active fault-tolerant control technology.
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