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小浪底水电厂的程控调度交换设备采用的是DDS-200数字程控调度系统。DDS-200数字程控凋度交换系统主要由调度总机、调度台、维护终端和数字录音系统组成。它除了具有普通交换机所具备的功能外,其配置的智能调度台、数字录音系统还具有无阻塞呼叫直通用户、选择应答直通用户、录音/录时、录音/重放等功能。DDS-200数字程控调度系统的应用,不但为小浪底水电厂首台机组按时发电提供了有利的保证,而且还为后续机组顺利安装以及汛期各个水工建筑物的安全度汛发挥了重要作用。
Xiaolangdi Hydropower Plant program-controlled dispatch exchange equipment is used DDS-200 digital program-controlled scheduling system. DDS-200 digital program-controlled switching system is mainly composed of scheduling switchboard, dispatcher, maintenance terminal and digital recording system. In addition to the functions provided by ordinary switches, the intelligent dispatching station and digital recording system also have the functions of non-blocking call-through users, answering direct users, recording / recording, recording / playback and other functions. The application of DDS-200 digital program-controlled dispatching system not only provided favorable guarantee for the first unit of Xiaolangdi Hydropower Plant on time power generation, but also played an important role in the smooth installation of follow-up units and the flood season safety of all hydraulic structures.