Abstract:The network structure of the smart substation incommon use was introduced, and the technical problems of the shared-network of sampled measured value (SMV) and generic object oriented substation event (GOOSE) were analyzed, such as the processing ability of network deviceand the intelligent device, the data real-time property andthe network reliability, the effects to the substation in the condition of network fault, etc. On this basis, the feasibility of the shared-network of SMV and GOOSE was discussed,the implement scheme was presented, and eventually the solution of the shared-network of SMV and GOOSE wasput forward, which based on the applications of the message priority control, restricting the switch number, virtuallocal area network (VLAN) and GARP multicast registra-tion protocol (GMRP) classification flow control, flow ratelimiting, etc. In the test-bed, the cases of shared-network and separate-network of SMV and GOOSE were comparedand analyzed, and the result was valuable for reference.