沧东电厂DCS系统交流电源快速切换测试及应用  

Fast Switching Test and Application of AC Power Supply in DCS System of Cangdong Power Plant

作　　者：王玉国 田宇 Wang Yuguo;Tian Yu(National Energy Group He bei Guohua Cangdong Generation Co.,Ltd.,Hebei,Cangzhou,061113,China)

机构地区：[1]国家能源集团河北国华沧东发电有限责任公司,河北沧州061113

出　　处：《仪器仪表用户》2020年第8期91-95,共5页Instrumentation

摘　　要：本文通过国华沧东电厂DCS系统交流供电回路的测试和分析,提出应用数字高速采样技术,以及大功率晶闸管作为功率切换元件,实现双路交流供电快速无扰切换的应用,对比了传统切换技术与新型切换技术的优势与劣势。Through the test and analysis of the AC power supply circuit of the DCS system of Guohua Cangdong Power Plant,this paper proposes the application of digital high-speed sampling technology and high-power thyristors as power switching elements to achieve fast and trouble-free switching of dual-channel AC power supply.The traditional power switching is compared in the article advantages and disadvantages of technology and new switching technology.

关 键 词：DCS 双电源切换 数字信号处理 高速采样 电压跌落快速识别算法 晶闸管驱动 

分 类 号：TK32[动力工程及工程热物理—热能工程]