| 中性线在三相四线制供电系统中的作用 |
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| 引用本文： | 杨培君,柳玉英. 中性线在三相四线制供电系统中的作用[J]. 氯碱工业, 2004, 0(6): 1-3 |
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| 作者姓名： | 杨培君 柳玉英 |
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| 作者单位： | 锦西化工机械(集团)有限责任公司,辽宁,葫芦岛,125001;中国石油天然气股份公司抚顺石化分公司石油二厂,辽宁,抚顺,113004 |
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| 摘 要： | 通过定量分析,论述了三相四线制供电系统中中性线的重要作用;强调指出,若要保证三相相电压在允许的电压范围内,必须使中性线连接完好,电压偏移在允许的范围内;并利用PSPICE仿真,说明了中性线阻抗变化对中性点电压偏移的影响,从而提出了保护措施。
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| 关 键 词： | 中性线 供电系统 三相四线制 |
| 文章编号： | 1008-133X(2004)06-0001-03 |
| 修稿时间： | 2004-02-03 |
The role of neutral line in the three-phase and four-wire power supply system |
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| YANG Pei-jun,LIU Yu-ying. The role of neutral line in the three-phase and four-wire power supply system[J]. Chlor-Alkali Industry, 2004, 0(6): 1-3 |
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| Authors: | YANG Pei-jun LIU Yu-ying |
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| Affiliation: | YANG Pei-jun~1,LIU Yu-ying~2 |
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| Abstract: | Based on quantitative analysis,the key role of neutral line in the three-phase and four-wire power supply system is discussed.It is emphatically indicated that if the three-phase phase (voltage) within the range permitted is ensured,the neutral line must be well joined and the deviation of (voltage) is within the range permitted.By applying PSPICE to imitate the real situation,the influence of the change of impedance of the neutral line on the deviation of voltage at neutral point is given,and then the protective measures are put forward. |
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| Keywords: | neutral line power supply system three-phase and four-wire system |
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