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作 者:陈建国 肖文静 王多平 田军 CHEN Jianguo;XIAO Wenjing;WANG Duoping;TIAN Jun(DEC Academy of Science and Technology Co.,Ltd.,611731,Chengdu,China)
机构地区:[1]东方电气集团科学技术研究院有限公司,成都611731
出 处:《东方电气评论》2024年第5期75-78,共4页Dongfang Electric Review
基 金:国家重点研发计划项目:亚临界煤电机组深度灵活调峰关键技术及工程示范,项目编号:2023YFB4102900。
摘 要:城市轨道交通系统中,地铁列车会频繁启停,在启动时会消耗大量电能,而在制动时产生的能量约占牵引能耗的40%。为了充分利用地铁制动能量及稳定直流接触网电压,高压大容量双向变流器得到广泛应用。RTDS (Real-time Digital Simulator)仿真器是功能强大的实时数字仿真装置,通过建立高压大容量变流器的离散仿真模型、与实际控制设备连接形成半实物仿真系统,可实现系统动静态特性的实时模拟,从而大幅提高研发效率。本文建立了高压大容量双向变流器仿真模型,结合实际硬件控制器构建了硬件在环仿真系统,验证了控制器硬件及其搭载控制策略的有效性。In urban rail transit systems,subway trains frequently start and stop,consuming a large amount of electrical energy during startup,and the energy generated during braking accounts for approximately 40%of the traction energy consumption.In order to fully utilize the braking energy of the subway and stabilize the DC contact network voltage,high-voltage and high-capacity bidirectional converters have been widely used.The RTDS(Real time Digital Simulator)system can build digital physical experimental circuits,test and experiment on actual control equipment,and greatly improve research and development efficiency.In this paper,a simulation model of a high-voltage high-capacity bidirectional converter was established,and a hardware in the loop simulation system was constructed based on actual hardware controllers to verify the effectiveness of the control strategy.
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