先进组合同相牵引供电系统的建模与控制研究

发布时间：2021-07-20 22:55

　　基于单相牵引变压器和潮流控制器,提出了一种组合式同相供电系统。在这个新系统中,由单相牵引负载引起的电网侧电能质量问题被解决,同时牵引变电所出口处的电分相被取消,电力机车可以获得持续的电能。利用功率传递关系,建立了系统的数学模型。基于功率平衡原理,计算了潮流控制器的补偿电流。根据电能质量国家标准,提出了优化地部分补偿策略来代替既有的完全补偿。此外,潮流控制器实现该算法的限制大大低于以往的研究结果。通过大量的仿真验证了补偿算法和控制技术的合理性,本文分析内容验证了该系统的可行性。 

【文章来源】：西南交通大学四川省 211工程院校 教育部直属院校

【文章页数】：57 页

【学位级别】：硕士

【文章目录】：
ABSTRACT
摘要
Chapter 1 INTRODUCTION
    1.1 Background
    1.2 Literature review
    1.3 Thesis organization
Chapter 2 CO-PHASE POWER SUPPLY TECHNOLOGY
    2.1 Conventional traction power supply system
    2.2 Basic principle of co-phase traction power supply system
        2.2.1 Co-phase power supply technology
        2.2.2 Co-phase compensation device
            2.2.2.1 Co-phase compensation device structure
            2.2.2.2 Principle of balance of co-phase compensation device
    2.3 Technological schemes of combined co-phase traction power supply system
        2.3.1 Combined co-phase power supply system solution
        2.3.2 Capacity calculation of traction transformer and phase compensation device
    2.4 Summary
Chapter 3 WORKING PRINCIPLES OF COMBINED CO-PHASE POWER SUPPLY SYSTEM
    3.1 Mathematical model
    3.2 Compensation algorithms
        3.2.1 Full compensation algorithm
        3.2.2 Partial compensation algorithm
        3.2.3 Optimized algorithm for minimum compensation capacity
    3.3 Detection Algorithm for PFC
        3.3.1 Detection method based on instantaneous reactive power theory
        3.3.2 Single phase current detection method based on Clark transform
    3.4 Summary
Chapter 4 CONTROL STRATEGY RESEARCH OF COMBINED CO-PHASE POWER SUPPLY SYSTEM
    4.1 Conventional control method for co-phase compensation device
        4.1.1 Single Phase converter
        4.1.2 Direct current control
        4.1.3 Indirect Control
            4.1.3.1 Single delta control
            4.1.3.2 Inverse system PI control
    4.2 Single phase converter direct power control
        4.2.1 Principle of power balance
        4.2.2 Direct power control of single-phase converter under αβ coordinate system
    4.3 System control strategy
        4.3.1 Syestem control structure diagram
        4.3.2 Simulation analysis of combined co-phase power supply system based on direct power control method
    4.4 Summary
Chapter 5 MODELING ANALYSIS OF COMBINED CO-PHASE POWER SUPPLY SYSTEM
    5.1 System simulation structure and parameters
    5.2 System simulation analysis
    5.3 Case study
    5.4 Summary
Conclusion
Acknowledgements
References



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