Node management gateway device based on data distribution service in grid network and distribution network and method thereof

摘要

Disclosed are node management gateway device which is included in each node and replaces a feeder remote terminal unit (FRTU) to transmit and receive a real-time publish-subscribe (RTPS) message with a data distribution service (DDS) protocol in a distribution network system, such as an energy saving system, a photovoltaic system, a wind power generation system, an electric vehicle system, a power distribution system, a power transmission system, and the like, to perform a gateway function. According to the present invention, the power distribution network system applying the node management gateway device comprises a plurality of nodes using a DDS manner. The plurality of nodes include a gateway connected to a wide area network (WAN), and the gateway transmits or receives an RTPS message applying simple tunneling in order to allow all nodes to perform communications as if performing communications in a local area network (LAN). The RTPS message includes gateway IP information, gateway UDP information, magic information, and message information. The magic information is placed between the gateway UDP information and the message information including IP source, IP destination, and UDP destination of a participant. Accordingly, the present invention can manage connection, node addition and deletion, and the like frequently generated among the nodes in a distributed energy resource management system (DERMS) or a data management system (DMS) in real time.