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- The calculation result shows that this method is able to detect transformer internal fault and magnetizing inrush current correctly. 计算结果表明该方法能可靠识别内部故障和励磁涌流,效果明显。
- How to discriminate between internal fault and magnetizing inrush current is the difficulty of transformer protection when apply differential relay. 变压器主保护选择差动在原理上存在不足,带来的问题就是如何准确鉴别励磁涌流与内部故障,这也是目前变压器保护的难点。
- Digital simulation shows that the proposed method can distinguish internal fault from external fault, magnetizing inrush current, normal operation. 经仿真计算验证,该方法能有效地区分内部故障和励磁涌流、外部故障及正常运行状态。
- It is found that the two parameters aren"t influenced by external fault and magnetizing inrush current, which ensures good selectivity. 理论上分析可以得到,这两个参数不受外部故障和励磁涌流的影响,因此具有很好的选择性。
- Kuniaki Y.Power Differential Method for Discrimination Between Fault and Magnetizing Inrush Current in Transformers[J].IEEE Trans on Power Delivery,1997,12(3):32-49. 李永丽;梅云;刘长胜;等.;一种基于序功率方向的变压器保护方案[J]
- transformer magnetizing inrush current 变压器励磁涌流
- Approach to Calculate Attenuated Magnetizing Inrush Current in Transformer 变压器衰减励磁涌流的实用计算方法
- Application of new techniques in magnetizing inrush current identification for transformer differential protection 新技术手段在变压器差动保护励磁涌流识别中应用研究的现状
- A NEW APPROACH TO DETECT TRANSFORMER INTERNAL FAULT AND MAGNETIZING INRUSH CURRENT USING DISCRETE HIDDEN MARKOV MODEL 基于离散隐马尔科夫模型的变压器励磁涌流鉴别新算法
- Characteristic of transformer magnetizing inrush current and its practical application 变压器励磁涌流的特性分析及应用
- A New Principle to Detect Magnetizing Inrush Current and Internal Fault of Transformer Using Wavelet Theory 用小波理论区分变压器的励磁涌流和内部短路的新原理
- Trend and Situation of Distinguish Technology of Transformer Magnetizing Inrush Current 变压器励磁涌流鉴别技术的现状和发展
- Novel Identification Method for Magnetizing Inrush Current Based on the Comparability of Different Fourier Algorithm 基于不同傅里叶算法之间相似度的励磁涌流鉴别方法
- Discrimination Research of Power Transformer Magnetizing Inrush Current Based on Artificial Neural Network 基于人工神经网络的电力变压器励磁涌流判别
- A new wavelet transform approach to discriminate magnetizing inrush current and fault current 小波变换识别变压器励磁涌流和故障电流的新方法
- (Study on the Modeling, Simulation and Identification of Magnetizing Inrush Current in Power Transformers, Master Thesis ). 电力变压器励磁涌流建模仿真及识别方案的研究:[硕士学位论文]
- Research Trend of Non-linear Distinguish Technology of Magnetizing Inrush Current in Transformer Differential Protection 变压器差动保护中励磁涌流非线性鉴别技术的发展
- magnetizing inrush current 励磁涌流
- The waveform characteristics of transformer magnetizing inrush and internal fault current are analyzed and a method to identify magnetizing inrush is presented. 分析变压器励磁涌流和内部故障电流的波形特征,提出励磁涌流识别的新方法。
- According to the direct current component of the generalized instantaneous power flowing into the two-terminal network, magnetizing inrush and internal fault can be distinguished. 根据输入端口的广义瞬时功率直流分量的大小,来区分励磁涌流和内部故障电流。