Distributed power flow controller,which is among the most powerful distributed flexible transmission equipments,is still only in the stage of the oretical research and digital simulation.In order to promote the engine...Distributed power flow controller,which is among the most powerful distributed flexible transmission equipments,is still only in the stage of the oretical research and digital simulation.In order to promote the engineering demonstration of a distributed power flow controller,it is urgent to establish a digital/analog simulation platform that supports closed-loop real-time simulation of a distributed power flow controller.In this paper,the electromagnetic transient model of a distributed power flow controller is established on ADPSS(advanced digital power system simulator).The rapid control prototype realized by dSPACE is connected to ADPSS to form a digital/analog simulation platform for a distributed power flow controller.Through a voltage control and power flow control simulation of the test system with a distributed power flow controller,the correctness and effectiveness of the constructed simulation platform are verified,which provides a new way for the verification of the new theory of a distributed power flow controller.展开更多
随着国内外大容量远距离海上风电的开发,采用基于模块化多电平换流器(modular multilevel converter,MMC)的柔性直流送出方式具有更大的经济优势。文中在介绍MMC工作原理和海上风电柔性直流送出拓扑基础上,提出了陆上换流站有源控制、...随着国内外大容量远距离海上风电的开发,采用基于模块化多电平换流器(modular multilevel converter,MMC)的柔性直流送出方式具有更大的经济优势。文中在介绍MMC工作原理和海上风电柔性直流送出拓扑基础上,提出了陆上换流站有源控制、海上换流站无源控制、陆上换流站直流耗能装置协调控制、海上换流站双联接变协调控制及系统启动顺序控制等核心控制策略;通过搭建基于实时数字仿真系统(real time digital simulation system,RTDS)的海上风电柔性直流送出控制保护系统仿真试验平台,分别进行了MMC充电、MMC解锁、海上换流站网侧交流电压升压、海上风电场并网、海上站单联接变故障退出、网侧交流故障穿越及MMC闭锁等项目的仿真试验,充分验证海上风电柔性直流送出系统核心控制策略的正确性,为未来的海上风电柔性直流送出工程应用提供了重要参考。展开更多
基金the National Natural Science Foundation of China(51177114)the Major Projects of Technical Innovation in Huhei(2018AAA050,2019AAA016).
文摘Distributed power flow controller,which is among the most powerful distributed flexible transmission equipments,is still only in the stage of the oretical research and digital simulation.In order to promote the engineering demonstration of a distributed power flow controller,it is urgent to establish a digital/analog simulation platform that supports closed-loop real-time simulation of a distributed power flow controller.In this paper,the electromagnetic transient model of a distributed power flow controller is established on ADPSS(advanced digital power system simulator).The rapid control prototype realized by dSPACE is connected to ADPSS to form a digital/analog simulation platform for a distributed power flow controller.Through a voltage control and power flow control simulation of the test system with a distributed power flow controller,the correctness and effectiveness of the constructed simulation platform are verified,which provides a new way for the verification of the new theory of a distributed power flow controller.
文摘随着国内外大容量远距离海上风电的开发,采用基于模块化多电平换流器(modular multilevel converter,MMC)的柔性直流送出方式具有更大的经济优势。文中在介绍MMC工作原理和海上风电柔性直流送出拓扑基础上,提出了陆上换流站有源控制、海上换流站无源控制、陆上换流站直流耗能装置协调控制、海上换流站双联接变协调控制及系统启动顺序控制等核心控制策略;通过搭建基于实时数字仿真系统(real time digital simulation system,RTDS)的海上风电柔性直流送出控制保护系统仿真试验平台,分别进行了MMC充电、MMC解锁、海上换流站网侧交流电压升压、海上风电场并网、海上站单联接变故障退出、网侧交流故障穿越及MMC闭锁等项目的仿真试验,充分验证海上风电柔性直流送出系统核心控制策略的正确性,为未来的海上风电柔性直流送出工程应用提供了重要参考。
