Firstly, this paper reviews the development history of the methods of fault line selection for single phase to earth fault in networks with ungrounded neutral in China and other countries.

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On the basis of analyzing the law of variation of the zero order current , the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.

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On the basis of analyzing the law of variation of the zero order current, the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.

1中性點不接地系統(tǒng)零序電流的分析中性點不接地系統(tǒng)在發(fā)生故障時零序電流的變化最明顯久久综合网天天桃花网，因而對故障情形下零序電流的大小丁香婷婷五月综合、相位及其功率等關系進行分析很有必要。1.1零序電流的大小關系對于NUS性香港XXXXX免费视频播放，其線路圖見圖1免费真实处破视频在线观看。圖中kl和k：斷開欧美久久黑人一级c片。

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Experimental Research on FBG Sensor for Large Curvature Detection;2. For large curvature arch, the neutral axis does not pass through the centroidal line of the cross-section, so the moment of inertia is not consistent with the second moment of area.

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To assist the signature specialists, the authentication system for off-line Chinese signatures was developed based on a new Integrated Neural Network, which was composed of the modules, namely Feature Distributed Network, Neutral Networks Classifier and Decision Fusional Network.

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Trace Hg in aqueous solution was preconcentrated by on-line formation of mercury diethyldithiocarbamate complex and adsorption of the resulting neutral complex on the inner walls of a PTFE knotted reactor.

天然水樣中痕量的Hg通過FI在線形成中性的汞-二乙基二氨基甲酸絡合物并吸附在聚四氟乙烯管編制的KR的內壁上實現(xiàn)預富集。

The line passed by outboard articular facet of talocalcaneal joint when the a- nkle joint was in neutral position , and the stress distribution was maximal at calcaneus from internal post to forward outside .

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If the XLPE cable on-line monitoring system, which is based on the method of superposing a low DC voltage on the neutral point of PT ,is used in 6-35 kV power system, the way of grounding of potential transformers and the shielding layer of cable must be changed.

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