基于PSCAD/EMTDC电磁暂态仿真软件,根据±800 k V特高压直流系统的典型参数,搭建±800 k V特高压直流系统的交流系统、换流变压器、换流阀、交直流滤波器、平波电抗器和直流线路等一次侧电气元件模型;参照CIGRE HVDC标准控制系...基于PSCAD/EMTDC电磁暂态仿真软件,根据±800 k V特高压直流系统的典型参数,搭建±800 k V特高压直流系统的交流系统、换流变压器、换流阀、交直流滤波器、平波电抗器和直流线路等一次侧电气元件模型;参照CIGRE HVDC标准控制系统并进行修改,建立特高压直流输电系统控制系统的仿真模型。利用该仿真系统对其完整双极全压运行的稳态潮流进行了仿真,并与实际的工程实践相对比。结果表明,该仿真模型能很好地模拟±800 k V特高压直流系统,具有很好的可信性,已成功用于特高压直流工程相关的科研项目,可以为一般的工程人员以及高校的研究人员如何从CIGRE HVDC模型建模成为±800 k V特高压直流输电系统模型提供借鉴的思路。展开更多
This paper,the kinetic equation,traction force,and braking force for railway trains are reviewed.In addition,the driving characteristics are interpreted as to how the power of the electric vehicle relates to the weigh...This paper,the kinetic equation,traction force,and braking force for railway trains are reviewed.In addition,the driving characteristics are interpreted as to how the power of the electric vehicle relates to the weight,speed,track curve,and track gradient of the electric vehicle.The driving characteristics of these trains are analyzed through PSCAD/EMTDC(power systems computer aided design/electromagnetic transients including DC)modeling.展开更多
文摘基于PSCAD/EMTDC电磁暂态仿真软件,根据±800 k V特高压直流系统的典型参数,搭建±800 k V特高压直流系统的交流系统、换流变压器、换流阀、交直流滤波器、平波电抗器和直流线路等一次侧电气元件模型;参照CIGRE HVDC标准控制系统并进行修改,建立特高压直流输电系统控制系统的仿真模型。利用该仿真系统对其完整双极全压运行的稳态潮流进行了仿真,并与实际的工程实践相对比。结果表明,该仿真模型能很好地模拟±800 k V特高压直流系统,具有很好的可信性,已成功用于特高压直流工程相关的科研项目,可以为一般的工程人员以及高校的研究人员如何从CIGRE HVDC模型建模成为±800 k V特高压直流输电系统模型提供借鉴的思路。
基金supported by the Korea Institute of Energy Technology Evaluation and Planning(KETEP)and the Ministry of Trade,Industry&Energy(MOTIE)of the Republic of Korea(No.20225500000110).
文摘This paper,the kinetic equation,traction force,and braking force for railway trains are reviewed.In addition,the driving characteristics are interpreted as to how the power of the electric vehicle relates to the weight,speed,track curve,and track gradient of the electric vehicle.The driving characteristics of these trains are analyzed through PSCAD/EMTDC(power systems computer aided design/electromagnetic transients including DC)modeling.
