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    • 7. 发明授权
    • Phase detection in power line communication systems
    • 电力线通信系统中的相位检测
    • US09379773B2
    • 2016-06-28
    • US13593159
    • 2012-08-23
    • Kumaran VijayasankarRamanuja VedanthamTarkesh PandeIl Han Kim
    • Kumaran VijayasankarRamanuja VedanthamTarkesh PandeIl Han Kim
    • H04B3/54H04L12/26
    • H04B3/54H04B2203/5408H04B2203/5416H04B2203/542H04B2203/5466
    • Phase detection between service nodes in a as “PRIME” (“PoweRline Intelligent Metering Evolution”) communications network, in which the service nodes are connected to one phase of a three-phase power distribution network. A service node joining a sub-network receives packet data units from other service nodes in the sub-network, including those that can potentially serve as a switch node to which the joining service node can register. The joining service node measures an elapsed time between a zero crossing of the AC power waveform at its phase and the start of a frame in the received packet data units. This elapsed time is compared with a similar zero crossing gap communicated by other service nodes in the packet data units, to identify the relative phases to which the two service nodes are connected.
    • 在“PRIME”(“PoweRline Intelligent Metering Evolution”)通信网络中的服务节点之间的相位检测,其中服务节点连接到三相配电网络的一相。 加入子网络的服务节点从子网络中的其他服务节点接收分组数据单元,包括可能充当加入服务节点可以注册的交换节点的那些节点。 加入服务节点测量在其相位处的AC功率波形的过零点与接收的分组数据单元中的帧的开始之间的经过时间。 将经过的时间与由分组数据单元中的其他服务节点通信的类似的零交叉间隔进行比较,以识别两个服务节点所连接的相对阶段。