About the communication of microprocessor-based protection with RTU, the realization of hardware and software is discussed. It is applied in the actual site.

• 针对目前电力系统要求较迫切的微机保护与RTU的通讯问题从硬件与软件的实现上做一些探讨。此种做法已经在实际的现场中得到应用。