| 可调式瞬时脱扣器在低压断路器中的设计与应用 |
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| 引用本文： | 吴海霞,王炯华,陈志刚.可调式瞬时脱扣器在低压断路器中的设计与应用[J].低压电器,2010(4):17-19. |
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| 作者姓名： | 吴海霞 王炯华 陈志刚 |
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| 作者单位： | 常熟开关制造有限公司,江苏,常熟,215500 |
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| 摘 要： | 在低压配电网络中,断路器的瞬动保护是相当重要的,它性能的好坏、动作灵敏度的大小是整个用电系统安全运行的关键,而实现这一保护功能的部件就是瞬时脱扣器。以CM2-225塑壳断路器为例介绍可调式瞬时脱扣器,通过改变瞬时脱扣器弹簧的拉伸长度来调节其动作电流整定值。
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| 关 键 词： | 塑壳断路器 瞬时脱扣器 动作电流 |
Design and Application of Adjustable Instantaneous Release in Low Voltage Circuit Breaker |
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| WU Haixia,WANG Jionghua,CHEN Zhigang.Design and Application of Adjustable Instantaneous Release in Low Voltage Circuit Breaker[J].Low Voltage Apparatus,2010(4):17-19. |
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| Authors: | WU Haixia WANG Jionghua CHEN Zhigang |
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| Affiliation: | Changshu Switchgear MFG.Co.;Ltd.;Changshu 215500;China |
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| Abstract: | In the low voltage power distribution network,the instantaneous protection characteristic of circuit breaker is very important.Its performance and sensitivity are the keys to the operation safety of the whole power supply system.The protection function is obtained by instantaneous release.Taking CM2-225 MCCB as an example,the adjustable instantaneous release was introduced,of which rated tripping current could be adjusted by changing the length of the release's spring. |
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| Keywords: | moulded case circuit breaker（MCCB） instantaneous release tripping current |
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