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WU Zixia. 消磁绕组磁场与钢板磁化的关系分析J. Chinese Journal of Ship Research, 2015, 10(1): 126-130. DOI: 10.3969/j.issn.1673-3185.2015.01.019
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WU Zixia. 消磁绕组磁场与钢板磁化的关系分析J. Chinese Journal of Ship Research, 2015, 10(1): 126-130. DOI: 10.3969/j.issn.1673-3185.2015.01.019
WU Zixia. 消磁绕组磁场与钢板磁化的关系分析J. Chinese Journal of Ship Research, 2015, 10(1): 126-130. DOI: 10.3969/j.issn.1673-3185.2015.01.019
Citation:
WU Zixia. 消磁绕组磁场与钢板磁化的关系分析J. Chinese Journal of Ship Research, 2015, 10(1): 126-130. DOI: 10.3969/j.issn.1673-3185.2015.01.019
消磁绕组磁场与钢板磁化的关系分析
WU Zixia
Abstract
Abstract
基于毕奥—沙伐定律和铁磁理论,结合舰载消磁绕组敷设状态,分析通电消磁绕组产生的磁场特性,研究消磁绕组的通电电流及其与钢板的距离对钢板磁场的影响。结果表明,通电绕组产生的磁场随距离的减小而递增,随电流的变大而直线增大,且存在两个临界值:电流Ic和距离Dc,一旦绕组电流或与钢板的距离超过临界值,其产生的磁场将超过钢板矫顽力,导致船体钢板固定磁化。另外,结合工程实践情况,对消磁绕组磁场的不同简化方法进行对比,发现各误差均不大于0.2%,即可以将绕组等效成无限长的直通电导线,以快速计算判断其磁场大小。
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