描述
随着DCS在大型火电厂的普遍应用,如何确定DCS检修内容、检修周期及维修项目才能保证DCS在火电厂应用条件下安全运行,是提高其可靠性的关键。实际应用中,应充分利用计算机系统自诊断功能,及早发现异常情况,防止模件故障;检修时也要有合理的检修工艺和程序,兼顾DCS本身检修和重视控制系统外部设备的检修,并要根据DCS系统特性列出检修注意事项,做好一定的防护措施,以避免DCS装置模件在检修中受到损害。
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