MACH2系统(Modular Advanced Control HVDC and SVC 2nd edition)是ABB公司的一种基于软硬件结合的直流输电系统级解决方案。其在硬件层面主要由标准工业计算机、PCI板卡、I/O及通讯专用电路板、辅助电路板等组成。由于目前国内应用该...MACH2系统(Modular Advanced Control HVDC and SVC 2nd edition)是ABB公司的一种基于软硬件结合的直流输电系统级解决方案。其在硬件层面主要由标准工业计算机、PCI板卡、I/O及通讯专用电路板、辅助电路板等组成。由于目前国内应用该系统的换流站多为早期直流工程,经过长时间运行板卡故障率显著提高,现场进行故障处理时需对更换后的板卡下装对应的应用程序。本文从便于现场运维人员使用且安全可靠的方面出发,深入研究MACH2系统板卡软件下装逻辑与实现方法。最后根据现场实际消缺检修应用需求,研发了一种MACH2系统板卡程序下装平台。展开更多
Development of CDOS catalyst for bottoms cracking is based on DOSY zeolite,which is characterized by high metal tolerance.The results of DOSY tests have shown that the catalyst has better activity retention at high me...Development of CDOS catalyst for bottoms cracking is based on DOSY zeolite,which is characterized by high metal tolerance.The results of DOSY tests have shown that the catalyst has better activity retention at high metal content in the feed.The performance of catalyst tested in the bench scale was superior over that of the reference catalyst.The results of catalyst application have shown that the CDOS series catalysts have better bottoms cracking activity,high metal tolerance,excellent dry gas selectivity,and enhanced liquid yield.展开更多
文摘MACH2系统(Modular Advanced Control HVDC and SVC 2nd edition)是ABB公司的一种基于软硬件结合的直流输电系统级解决方案。其在硬件层面主要由标准工业计算机、PCI板卡、I/O及通讯专用电路板、辅助电路板等组成。由于目前国内应用该系统的换流站多为早期直流工程,经过长时间运行板卡故障率显著提高,现场进行故障处理时需对更换后的板卡下装对应的应用程序。本文从便于现场运维人员使用且安全可靠的方面出发,深入研究MACH2系统板卡软件下装逻辑与实现方法。最后根据现场实际消缺检修应用需求,研发了一种MACH2系统板卡程序下装平台。
基金support provided by the Sinopec Corporation (Contact number: 105111)
文摘Development of CDOS catalyst for bottoms cracking is based on DOSY zeolite,which is characterized by high metal tolerance.The results of DOSY tests have shown that the catalyst has better activity retention at high metal content in the feed.The performance of catalyst tested in the bench scale was superior over that of the reference catalyst.The results of catalyst application have shown that the CDOS series catalysts have better bottoms cracking activity,high metal tolerance,excellent dry gas selectivity,and enhanced liquid yield.
