Description
数据采集系统DAS功能
数据采集系统(DAS)应连续采集和处理所有与电气系统有关的重要测点信号及设备状态信号，以便及时向操作人员提供有关的运行信息，实现机组安全运行。一旦机组发生任何异常工况，及时报警，提高机组的可利用率。一般有下列功能。
（1）显示：包括操作显示、成组显示、棒状图显示、趋势显示、报警显示等。
（2）制表记录：包括定期记录、事故追忆记录、事件顺序(SOE)记录、跳闸一览等。
（3）历史数据存储和检索。
（4）二次计算与机组性能。
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