飞轮储能轴系采用非接触磁轴承,卸载轴系80%~90%重量,以降低下支承磨损和功耗。提出铠装钕铁硼永磁轴承设计方法,并应用于400 k W飞轮储能工程样机的磁轴承设计。该设计构型简单,单磁环被包在磁轭中,转子部分无永磁材料,规避振动和散热...飞轮储能轴系采用非接触磁轴承,卸载轴系80%~90%重量,以降低下支承磨损和功耗。提出铠装钕铁硼永磁轴承设计方法,并应用于400 k W飞轮储能工程样机的磁轴承设计。该设计构型简单,单磁环被包在磁轭中,转子部分无永磁材料,规避振动和散热问题。磁环采用扇形磁瓦拼接,可满足大卸载力需求,其磁场不均匀性对轴向卸载力影响可忽略。工作间隙附近,轴承吸力与间隙大小关系近似线性化。工作间隙中磁轭面积约是磁环面积2倍时,轴承获得最大吸力。高效设计流程方法使磁环体积减少24.4%。给出了不同转速下的轴承最大卸载力设计参数。展开更多
Purpose The high energy photon source(HEPS)is a diffraction-limited storage ring light source being built in Beijing,China.The HEPS accelerators consist of the storage ring and its injector which includes the linac,bo...Purpose The high energy photon source(HEPS)is a diffraction-limited storage ring light source being built in Beijing,China.The HEPS accelerators consist of the storage ring and its injector which includes the linac,booster and beam transport lines.The magnet system is one of the most important systems for the accelerators.In this paper,the field design,mechanical design and some special issues of the main magnets for the injector are presented.Methods The magnets for the linac and transport lines work at DC mode,whereas the magnets for the booster work at dynamic mode.So the module of OPERA/TOSCA is used to design the DC magnetic field and the module of OPERA/ELLEKTRA is used to design the dynamic magnetic field.The CAD programs are used to design the mechanical structures of the magnets.Results The magnetic field simulation results of all the magnets for the injector can meet the physical requirements,the mechanical designs of all magnets are reasonable,and engineering drawings of the magnets for production are finished.Conclusions Both the magnetic field design and mechanical design of all magnets are satisfied with the physical requirements of the HEPS injector;the production of all magnets has been started up.展开更多
文摘飞轮储能轴系采用非接触磁轴承,卸载轴系80%~90%重量,以降低下支承磨损和功耗。提出铠装钕铁硼永磁轴承设计方法,并应用于400 k W飞轮储能工程样机的磁轴承设计。该设计构型简单,单磁环被包在磁轭中,转子部分无永磁材料,规避振动和散热问题。磁环采用扇形磁瓦拼接,可满足大卸载力需求,其磁场不均匀性对轴向卸载力影响可忽略。工作间隙附近,轴承吸力与间隙大小关系近似线性化。工作间隙中磁轭面积约是磁环面积2倍时,轴承获得最大吸力。高效设计流程方法使磁环体积减少24.4%。给出了不同转速下的轴承最大卸载力设计参数。
文摘Purpose The high energy photon source(HEPS)is a diffraction-limited storage ring light source being built in Beijing,China.The HEPS accelerators consist of the storage ring and its injector which includes the linac,booster and beam transport lines.The magnet system is one of the most important systems for the accelerators.In this paper,the field design,mechanical design and some special issues of the main magnets for the injector are presented.Methods The magnets for the linac and transport lines work at DC mode,whereas the magnets for the booster work at dynamic mode.So the module of OPERA/TOSCA is used to design the DC magnetic field and the module of OPERA/ELLEKTRA is used to design the dynamic magnetic field.The CAD programs are used to design the mechanical structures of the magnets.Results The magnetic field simulation results of all the magnets for the injector can meet the physical requirements,the mechanical designs of all magnets are reasonable,and engineering drawings of the magnets for production are finished.Conclusions Both the magnetic field design and mechanical design of all magnets are satisfied with the physical requirements of the HEPS injector;the production of all magnets has been started up.
