Research On Smart Grid Customer Equipment Information Interface

With the thorough development of the smart grid construction, the grid and customer equipment require frequent interaction through the information interface. The paper starts with demand analysis of customer equipment information interface(CEIF), studies the communication architecture and information model of CEIF, and designs services provided by CEIF.First of all, the paper conducts research on the relevant technical standards--the information model of SEP2.0and domain model of ESI are analyzed, providing the necessary theoretical support for the subsequent CEIF design.Secondly, from the perspective of the application scope and function characteristics, the paper makes research on smart grid customer equipment such as thermostats, meters, displays, etc. and classifies them as four categories--load equipment, measurement equipment, control equipment and auxiliary equipment--each type of which is common to build CIM model.On the basis of the demand analysis, the paper presents a conceptual model of customer equipment information, combined with the smart grid methodology and feature sets, extracts the information transmitted by CEIF, and then refines the UML information model, forming a special case of the customer domain and constructing a conceptual model of CEIF.Finally, based on the information model, services are classified into five categories. Each category is divided into several sub-services again, which are described from the service description, flow chart of information exchange and function primitives.