This paper propossed a application framework and a system architecture of cross-platform integration based on SOA (Service-Oriented Architecture) in order to achieve the integration of power SCADA (Supervisory Control And Data Acquisition ) system and other application system of power dispatch system. The application framework based on SOA,makes use of the technological advantages of Web Service and J2EE platform. The framework of electric power SCADA system eonsists of users layer,web layer,business logic layer and enterprise information layer, and every layer has made a specific design. It is more extensive software and hardware compatibility, flexible function deployment and simple system expanding than others.%为了实现电力SCADA(数据采集与监控)系统与电力调度其他相关应用系统的集成,提出了基于SOA(面向服务架构)实现跨平台的集成的应用框架和体系架构.该应用框架以SOA思想为指导,借助Web Service和J2EE平台技术的特性优势来实现.将电力SCADA系统分为用户屡、Web层、业务逻辑层和企业信息系统屡,对每一层做了具体的设计说明.该基于SOA的集成方法较之其他的集成方法,展现了更广泛的软硬件兼容性、灵活的功能部署和简易的系统扩性.
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