针对海底观测网的远程供电系统主要技术进行研究和分析，讨论了次节点控制的两种方式，并利用系统模型对次节点连接方式二在端站海缆故障、支路缆海缆故障和主干缆海缆故障3种情况下的系统故障隔离的整个控制过程进行仿真分析。验证了连接方式二能够有效的隔离海缆故障，增加系统可靠性，为未来海底观测网建设提供理论和技术支持。%This article research and analysis the main technical in the remote power feeding system of under-water observatory network,discusses two ways to control the secondary node,and use the system model to sim-ulation and analysis for the secondary way when have station submarine cable fault,branch submarine cable fault,backbone cable fault.Verified the reliability of this system,and provide theoretical and technical support for the underwater observatory network construction in fulture.
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