An outline of the complete design of the cryogenic system, including the detection of quench signals, the processing flow after a quench and the concrete measures of pressure release for EAST is described in this pape...An outline of the complete design of the cryogenic system, including the detection of quench signals, the processing flow after a quench and the concrete measures of pressure release for EAST is described in this paper. The hardware and software configurations on DeltaV DCS are illustrated in detail. The results of quench protection testing in cooling experiments are also analyzed.展开更多
针对渤海油田某油田群中控系统投产设计中的通信网络优化问题,提出了一种基于站间通信技术的平台联锁逻辑保护系统改进方案。原系统采用同步数字体系(synchronous digital hierarchy, SDH)光端机构建数字通信网络,虽实现了平台间紧急关...针对渤海油田某油田群中控系统投产设计中的通信网络优化问题,提出了一种基于站间通信技术的平台联锁逻辑保护系统改进方案。原系统采用同步数字体系(synchronous digital hierarchy, SDH)光端机构建数字通信网络,虽实现了平台间紧急关断装置(emergency shutdown device, ESD)联锁功能,但存在设备维护困难、建设成本高昂及信号传输稳定性不足等问题。通过引入中控系统站间通信技术重构联锁逻辑通信网络,新系统显著提升了整体可靠性、可扩展性和可维护性。实际应用表明,该方案不仅有效克服了SDH光端机的固有缺陷,而且优化了系统架构,为海上油田中控系统的通信网络设计提供了新的技术路径。展开更多
基金supported by National Meg-Science Engineering Project of Chinese Government (No.10575105)
文摘An outline of the complete design of the cryogenic system, including the detection of quench signals, the processing flow after a quench and the concrete measures of pressure release for EAST is described in this paper. The hardware and software configurations on DeltaV DCS are illustrated in detail. The results of quench protection testing in cooling experiments are also analyzed.
