The paper probed into the integrated scheme of power distribution system based on OPC middle module, dealed with the core idea of OPC and developing pattern, and gave a method of OPC data access.

• 文章探讨了基于OPC中间件技术的电力调度系统集成方案，介绍了OPC技术的核心思想和开发模式，给出了OPC数据访问的具体实现方法。