励磁涌流(inrush current)的发生,很明显是受励磁电压的影响。即只要系统电压一有变动,励磁电压受到影响,就会产生励磁涌流。在不同的情况下将产生如下所述的初始(initial inrush)、电压复原(recovery inrush)及共振(sympathetic inrush 共感)等不同程度的励磁涌流。其瞬时尖峰值及持续时间,将视下列各因素的综合情况而定,可能会高达变压器额定电流的8~30倍。
...rmer 1-支持向量机在电力变压器故障和励磁涌流之间的歧视-知来数据 Key words: Power transformer, magnetizing inrush current, fault current, support vector machine [gap=127]关键词:电力变压器,励磁涌流,故障电流,支持向量机 ..
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... Insulation supervision device 绝缘监视 Inrush exciting current of transformer 励磁涌流 Two star connection scheme 两相星形接线方式 ...
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基于磁通特性的改进型变压器保护方案研究-变压器-中国电力资料网 关键词 :变压器保护;磁通特性;励磁涌流 [gap=833]Key words :transformer protection;magneticflux characteristics;magnetizinginrush
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At present, there are some methods of identifying inrush current.
目前已有多种识别励磁涌流的方法。
参考来源 - 新型变压器差动保护的研究Secondly, on the basis of mechanism of the magnetizing rush current, the new protection principle based conversation of energy is pointed out, and its feasibility also is proved in detail.
紧接着在对励磁涌流产生机理进行详细分析的基础上,提出了基于能量守恒定律的新的保护原理,并对其理论基础和可行性进行了充分的论证。
参考来源 - 基于正序有功功率的变压器纵差保护的研究Because this transformer for experiment is a special transformer. Some typical methods for checking magnetizing surge are used to analyse the data that collected by many times actual experiments, Differences and relations among these methods are expounded.
针对试验变压器的特殊性,对试验变压器实际的励磁涌流数据,运用各种主要的励磁涌流判别原理进行了分析和比较,选定了较适当的励磁涌流判别方案。
参考来源 - 试验变压器微机保护的研究与开发·2,447,543篇论文数据,部分数据来源于NoteExpress
目前已有多种识别励磁涌流的方法。
At present, there are some methods of identifying inrush current.
主要讨论了励磁涌流的产生和其对变压器的影响。
This paper discusses production of excitation surge and the excitation surge effects on a transformer.
分析了综合利用电压和电流量的励磁涌流识别判据的优缺点。
The merits and demerits of the distinguishing inrush using voltage and current are researched.
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