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Analysis of Typical Faults during the Limit Pressure/Initial Pressure Switching Process in Siemens Secondary Reheat Unit
Author(s): 
Pages: 61-63
Year: Issue:  5
Journal: Guangxi Electric Power

Keyword:  二次再热机组初压/限压运行模式切换;
Abstract: 国电泰州电厂二次再热汽轮机数字电液伺服控制系统(DEH)采用西门子公司的T3000控制系统.在调试过程中发现汽轮机在限压/初压切换过程中容易出现问题,而西门子T3000系统全部采用内部模块模式,检修人员对限压/初压控制及无扰切换原理不易掌握.介绍限压/初压控制器的控制方法及切换原理,对调试中出现的限压/初压切换过程典型故障进行分析,并提出解决措施,为西门子二次再热机组类似故障提供借鉴.
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