应用于电力系统实时控制的MDCP智能通信卡

MDCP Intelligent Communication Card for Power System Real－time Control

阐述Modem Communications Processing智能通信卡MDCP是一种用于PC的新型ISA接口专线modem通信卡，适于多种波特率的异步全双工数据通信，本身集成了2套调制解调处理单元，可实现对应数据处理通道的热备用。介绍该通信卡软、硬件设计与应用特点。其在黑龙江东部电网区域稳定控制系统中的实际应用表明：该板卡能满足电力系统实时控制对通信的高速度、高可靠性和高灵活性要求。

： MDCP （Modem Communications Processing）intelligent communication card is a new type of modem communication card with ISA interface especially used in leased line conditions， which can easily connect PC and voice line． The designation and application characters in both hardware and software aspects of MDCP card are explained in the paper， a practical instance in power system real－time control is also detailed to prove the card＇s high reliability，flexibility and excellent applicability in power system against the widely－used commercial modem resolution．