Following the reformation of power communication,the selection of the technique of asynchronous transfer mode (ATM) for grid-composition is ever-incresing by electric companies.

• 随着电力通信系统的改造 ,越来越多的供电公司选择了异步转移模式技术组网 ,而电路仿真是异步转移模式网络上实现实时通信业务的重要手段。