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厦门华夏嵩屿电厂原使用的危急遮断系统(ETS),在灵活性、可靠性等方面存在不足之处。针对这些问题,采用PLC改造方案进行改造。改造后的ETS保持原有的遮断控制原理、遮断保护功能及试验功能,克服了原系统的不足之处,方便了日常维修检测工作,使系统的安全可靠性得到较大提高。
Xiamen Huaxia Songyu Power Plant used the original emergency interception system (ETS), in terms of flexibility, reliability and other shortcomings. In response to these problems, using PLC transformation program to transform. The modified ETS maintains the original principle of blocking control, blocking protection and testing functions, overcoming the deficiencies of the original system and facilitating routine maintenance and testing, thus greatly improving the system’s safety and reliability.