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Implementation of Distributed Coordinative Modeling in Power Dispatching Data Platform

QIAN Jing1,FAN Guang-min2,HE Lei1,XU Dan-dan1,YANG Xiao-yu1,FANG Wei1(1.Chinese Electric Power Research Institute,Haidian District,Beijing 100192,China;2.Tianjin Electric Power Corporation,Hebei District,Tianjin 300010,China)  
Enterprise resource integration is the key item of electric power sector.As resource integration center of dispatching automation system,power dispatching data platform provides a series of services such as data exchange,data integration,data storage and so on.However,there is evident limitation in the precision and timeliness of model information while only model information integration of transversely interconnected EMS is considered.To maximize the model information integration and sharing among dispatching systems in different levels,the distributed coordinative modeling technique is led into power dispatching data platform.In this paper,based on IEC 61970 standard,a skeleton to implement distributed coordinative modeling technique in power dispatching data platform is proposed,many key technologies contained in distributed coordinative modeling,such as model information collection based on workflow,model merging,integrative version management of graphs,data and models and Web Services,are investigated.Finally,to prove the practicality and feasibility of distributed coordinative modelling technique,a project case is given,in which a distributed system,integrating power system operation and maintenance,data acquisition,information exchange and sharing,is disposed in upper and lower dispatching departments to realize a transversely coordinative and longitudinally unobstructed model information management in data centre.
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