以陕西省抽黄工程—东雷泵站10.5 k V/8 000 k W同步电动机为案例,按照同步电动机启动要求,计算分析了全压启动时泵站供电系统的各级母线压降。采用电力系统仿真软件ETAP对电动机全压启动过程进行动态仿真,分析了母线压降对运行机组稳...以陕西省抽黄工程—东雷泵站10.5 k V/8 000 k W同步电动机为案例,按照同步电动机启动要求,计算分析了全压启动时泵站供电系统的各级母线压降。采用电力系统仿真软件ETAP对电动机全压启动过程进行动态仿真,分析了母线压降对运行机组稳定性的影响以及为改善启动造成的冲击压降可采取的措施,对实际工程具有一定的借鉴指导意义。展开更多
This paper combines the advantages of both common-view time transfer and one-way timing and proposes a new one-way timing method.Owing to the limitations in users capacity and real-time,common-view time transfer can n...This paper combines the advantages of both common-view time transfer and one-way timing and proposes a new one-way timing method.Owing to the limitations in users capacity and real-time,common-view time transfer can not provide time service simultaneously for mass users.A zero baseline experiment is carried out to validate its feasibility.Experimental results indicate this new method can achieve a timing accuracy within 5 ns.Users with requirements of rigorous time can employ this method to keep time synchronized with timing labs.展开更多
文摘以陕西省抽黄工程—东雷泵站10.5 k V/8 000 k W同步电动机为案例,按照同步电动机启动要求,计算分析了全压启动时泵站供电系统的各级母线压降。采用电力系统仿真软件ETAP对电动机全压启动过程进行动态仿真,分析了母线压降对运行机组稳定性的影响以及为改善启动造成的冲击压降可采取的措施,对实际工程具有一定的借鉴指导意义。
基金supported by the National Natural Science Foundation of China (Grant No. 11033004)the Astronomy Joint Fund of Chinese Academy of Sciences (Grant No. 10778715)
文摘This paper combines the advantages of both common-view time transfer and one-way timing and proposes a new one-way timing method.Owing to the limitations in users capacity and real-time,common-view time transfer can not provide time service simultaneously for mass users.A zero baseline experiment is carried out to validate its feasibility.Experimental results indicate this new method can achieve a timing accuracy within 5 ns.Users with requirements of rigorous time can employ this method to keep time synchronized with timing labs.
