提出了基于晶闸管阀和并联高速机械开关的固态电源切换开关(Solid State Transfer Switch,简称SSTS)设计方案,正常情况下线路电流通过机械开关,晶闸管只是在切换期间才投入运行。阀体采用自然冷却方式,解决了常规固态开关运行时的损耗问...提出了基于晶闸管阀和并联高速机械开关的固态电源切换开关(Solid State Transfer Switch,简称SSTS)设计方案,正常情况下线路电流通过机械开关,晶闸管只是在切换期间才投入运行。阀体采用自然冷却方式,解决了常规固态开关运行时的损耗问题,具有很好的工业应用前景。给出了SSTS的切换控制策略;分析了开关的开断特性。最后通过试验验证了主电路和控制系统方案的可行性。展开更多
The Internet of Everything(IoE),which aims to realize information exchange and communications for anything with the Internet,has revolutionized our modern world.Serving as the driving force for devices in the IoE netw...The Internet of Everything(IoE),which aims to realize information exchange and communications for anything with the Internet,has revolutionized our modern world.Serving as the driving force for devices in the IoE network,power supply systems play a fundamental role in the development of the IoE.However,due to the complexity,multifunctionality and wide-scale deployment of diverse applications,power supply systems face great challenges,including distribution,connection,charging technologies,and management.In this review,some challenges and advances in the development of both power supply systems and their units are presented.In the overall system-level field,establishing sustainable and maintenancefree power supply systems through wireless connections,efficient power management and integrated energy harvesting and storage systems is highlighted.Additionally,the main performance metrics of power supply units are discussed,including energy density,service life,and self-power ability.In addition,some directions of power quality assessment for both the system and unit levels of power supply systems are presented,aiming to provide insight into the future development of high-performance power supply systems for the IoE.展开更多
文摘提出了基于晶闸管阀和并联高速机械开关的固态电源切换开关(Solid State Transfer Switch,简称SSTS)设计方案,正常情况下线路电流通过机械开关,晶闸管只是在切换期间才投入运行。阀体采用自然冷却方式,解决了常规固态开关运行时的损耗问题,具有很好的工业应用前景。给出了SSTS的切换控制策略;分析了开关的开断特性。最后通过试验验证了主电路和控制系统方案的可行性。
基金National Youth Talent Support ProgramNational Natural Science Foundation of China and Guangdong Province,Grant/Award Number:U1601216+2 种基金Tianjin Natural Science Foundation,Grant/Award Number:18JCJQJC46500National Natural Science Foundation of China,Grant/Award Number:51771134National Science Foundation for Excellent Young Scholar,Grant/Award Number:51722403。
文摘The Internet of Everything(IoE),which aims to realize information exchange and communications for anything with the Internet,has revolutionized our modern world.Serving as the driving force for devices in the IoE network,power supply systems play a fundamental role in the development of the IoE.However,due to the complexity,multifunctionality and wide-scale deployment of diverse applications,power supply systems face great challenges,including distribution,connection,charging technologies,and management.In this review,some challenges and advances in the development of both power supply systems and their units are presented.In the overall system-level field,establishing sustainable and maintenancefree power supply systems through wireless connections,efficient power management and integrated energy harvesting and storage systems is highlighted.Additionally,the main performance metrics of power supply units are discussed,including energy density,service life,and self-power ability.In addition,some directions of power quality assessment for both the system and unit levels of power supply systems are presented,aiming to provide insight into the future development of high-performance power supply systems for the IoE.