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Redundant Star Topology based Control Network Architecture for Guaranteeing Reliable Operation of HVDC-MMC Systems

机译:基于冗余星型拓扑的控制网络架构,可确保HVDC-MMC系统可靠运行

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摘要

In this paper, we introduce an efficient network architecture for controlling and monitoring a set of submodules (SMs) in MMC-HVDC systems. The proposed network architecture adopts a redundant star topology in order to minimize the optical fiber cable requirements and the number of the fiber-optic transceivers installed in the arm controller while guaranteeing reliable data exchange between the arm controller and SMs. Based on the proposed network architecture, we propose the uplink and downlink frame structure to meet the data exchange requirements of MMC-HVDC systems and perform link budget analysis to show its effectiveness in terms of received signal strength and. In addition, we analyze the failure probability of the proposed control network to evaluate its reliability in comparison with other existing network topologies for the MMC-HVDC systems.
机译:在本文中,我们介绍了一种有效的网络体系结构,用于控制和监视MMC-HVDC系统中的一组子模块(SM)。所提出的网络体系结构采用冗余星形拓扑结构,以最大程度地减少光纤电缆要求和安装在臂控制器中的光纤收发器的数量,同时确保臂控制器与SM之间的可靠数据交换。基于提出的网络体系结构,我们提出了上行和下行帧结构,以满足MMC-HVDC系统的数据交换要求,并进行链路预算分析,以显示其在接收信号强度和方面的有效性。此外,我们与MMC-HVDC系统的其他现有网络拓扑相比,分析了提出的控制网络的故障概率,以评估其可靠性。

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