| 火电厂汽轮机DEH控制系统的直流电源供电方式改造 |
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| 引用本文： | 李建华.火电厂汽轮机DEH控制系统的直流电源供电方式改造[J].通信电源技术,2014(3):129-130. |
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| 作者姓名： | 李建华 |
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| 作者单位： | 郑州裕中能源有限责任公司,河南郑州472355 |
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| 摘 要： | 火电厂在安全方面的要求越来越高，而热工控制系统是火电厂的控制核心。文中分析了汽轮机数字电液调节系统（DEH）的直流220 V电源供电方式的现状，发现其存在严重的安全隐患，对此进行技术改造，消除了 DEH 控制系统的安全隐患，保障了电厂设备及电网的安全。
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| 关 键 词： | 火电厂 DEH 控制系统 直流电源 |
DC Power Supply Transformation of Steam Turbine DEH Control System in Thermal Power Plant |
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| LI Jian-hua.DC Power Supply Transformation of Steam Turbine DEH Control System in Thermal Power Plant[J].Telecom Power Technologies,2014(3):129-130. |
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| Authors: | LI Jian-hua |
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| Affiliation: | LI Jian-hua (Zhengzhou Yuzhong Energy Co. , Ltd. , Zhengzhou 472355, China) |
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| Abstract: | Thermal power plants have become increasingly demanding in terms of security,and thermal control sys-tems is the core control in thermal power plant.This article analyzed the status of DC 220 V power supply of steam turbine digital electro-hydraulic control system （DEH）,discovered it existing serious security hidden danger,carries on the techno-logical transformations,eliminated the hidden danger of DEH control system security,guarantee the safety of power plant equipment and power grid. |
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| Keywords: | thermal power plant DEH control system DC power supply |
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