| PLC在市电与发电机组供电自动切换系统中的应用 |
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| 引用本文： | 魏日翔. PLC在市电与发电机组供电自动切换系统中的应用[J]. 电气开关, 2010, 48(2): 62-67 |
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| 作者姓名： | 魏日翔 |
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| 作者单位： | 厦门ABB低压电器设备有限公司,福建,厦门,361005 |
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| 摘 要： | 简要介绍了可编程控制器PLC的起源、基本组成、工作原理，并将传统继电器与PLC控制的电气系统进行比较。最后介绍了一种将ABB—AC31PLC应用于控制回路，从而取代继电器控制回路，以实现市电电源与柴油发电机组供电的并联自动切换供电的应用实例，表明了PLC在输配电领域的新应用。
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| 关 键 词： | PLC ABB-AC31 继电器控制 自动切换系统 |
Application of PLC in the Automatic Switching System for a Power Supply System |
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| WEI Ri-xiang. Application of PLC in the Automatic Switching System for a Power Supply System[J]. Electric Switchgear, 2010, 48(2): 62-67 |
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| Authors: | WEI Ri-xiang |
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| Affiliation: | WEI Ri-xiang ( ABB Xiamen Low Voltage Equipment Co. Ltd, Xiamen 361005, China) |
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| Abstract: | This paper briefly describes the origins of PLC, basic composition, working theory and the traditional relay is compared with PLC control systems. Finally, an ABB-AC31 PLC which is applied to the control loop is introduced and re- places the relay control circuit so as to achieve the automatic switch for the power supply to diesel generator sets of paral-lel power supply. It shows the PLC is new application in the field of transmission and distribution. |
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| Keywords: | PLC ABB-AC31 |
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