摘要
研究目的:城市轨道交通无功补偿方案是供电系统设计的重要内容,与系统经济性和可靠性直接相关,但是,行业现状中设备选型和应用未紧密结合工程特点。通过研究,本文拟提出合理化配置无功补偿装置的原则,以及集中供电方式下利用再生制动装置进行协同补偿的优化方案。研究结论:(1)城市轨道交通无功补偿方案需结合关口计量点和系统的结构进行针对性设计;(2)基于无功电度计量的迭代算法,利用多台中压逆变型再生制动装置协同配合,以固定补偿的形式实现无功功率精准化补偿方案技术可行,并通过实践验证,有效实现了装备的复用,减少了工程建设投资;(3)利用再生装置进行精准化无功补偿的方案可应用于城市轨道交通供电系统。
Research purposes:The reactive power compensation of urban rail transit is an important aspect of power supply system design,which is directly related to system economy and reliability.However,the current equipment selection and application in the industry have not been closely combined with engineering characteristics.Through this study,this paper proposed the principle of rational configuration of reactive power compensation devices and an optimization plan for collaborative compensation using regenerative braking devices under centralized power supply mode.Research conclusions:(1)The reactive power compensation scheme for urban rail transit needs to be designed specifically in combination with the gateway metering point and the structure of the system.(2)Based on the iterative algorithm of reactive power measurement,using multiple medium-voltage inverter-based regenerative braking devices to cooperate,the technical feasibility of realizing the precise reactive power compensation scheme in the form of fixed compensation is verified through practice,effectively realizing the reuse of equipment and reducing the investment in engineering construction.(3)The scheme of using regenerative devices for precise reactive power compensation can be applied to urban rail transit power supply system.
作者
马德明
MA Deming(China Railway Siyuan Survey and Design Group Co.Ltd,Wuhan,Hubei 430063,China)
出处
《铁道工程学报》
EI
CSCD
北大核心
2023年第12期66-71,共6页
Journal of Railway Engineering Society
关键词
无功补偿
中压逆变型再生制动装置
固定补偿
协同
urban rail transit
reactive power compensation
medium-voltage inverter-based regenerative braking device
fixed compensation
coordination
