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| Research and Design of a Low Voltage AC and DC Under-voltage Releaser |
| Wu Zhixiang1,Peng Ying1,Wu Huijuan2,Zou Shiwei3 |
1.Changzhou Institute of Technology, Changzhou, Jiangsu 213002;
2.Education Department of Mechanical Engineering, Jiangsu Wujin Vocational Education Center School, Changzhou, Jiangsu 213177;
3.Jaingsu Guoxing Electrical Co., Ltd, Changzhou, Jiangsu 213177 |
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Abstract In some special occasions, DC or AC 24V under-voltage releaser is used in circuit breaker. To trip the same circuit breaker (such as DW50 series), the electromagnet of the under-voltage releaser of lower working voltage must get increased of its magnet coil wire diameter because of the large working current and the debugging is also difficult. The paper proposes a general design of under-voltage releaser of low working voltage primarily based on booster principle and discusses several major problems such as booster circuit, voltage signal detection and single-chip microcomputer circuit. Finally it concluded by giving the actual effect of the new design which uses the same kind of electromagnet of DW50 under-voltage releaser.
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Published: 04 November 2014
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| Cite this article: |
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Wu Zhixiang,Peng Ying,Wu Huijuan等. Research and Design of a Low Voltage AC and DC Under-voltage Releaser[J]. Electrical Engineering, 2014, 15(07): 59-61.
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| URL: |
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http://dqjs.cesmedia.cn/EN/Y2014/V15/I07/59
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[1] GB 14048.1—2006/IEC 60947-1: 2001 低压开关设备和控制设备 第1部分: 总则[S].
[2] GB 14048.2—2008/IEC 60947-2: 2006 低压开关设备和控制设备 第2部分: 断路器[S].
[3] 陆雯, 黄学. 断路器欠压脱扣器抗冲击设计[J]. 环境技术, 2003(4): 12-15.
[4] 贺湘琰. 电器学[M]. 北京: 机械工业出版社, 2007. |
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2014, Vol. 15 
