Transferred Overvoltage on Nonloaded Transformer Windings: Evaluation of Voltage and Protective Measures

V. S. Larin

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Transferred Overvoltage on Nonloaded Transformer Windings: Evaluation of Voltage and Protective Measures

机译：空载变压器绕组上的转移过电压：电压评估和保护措施

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This paper reviews the main mechanisms of voltage transfer between transformer windings and theoretical determination of transferred overvoltage magnitudes. The approaches for experimental determination of transferred overvoltage magnitudes are stated, and practical examples of application of these approaches are presented. Recommendations of actual normative documents on protection from transferred overvoltages caused by fast transient overvoltages are described. Measures of protection from resonance transferred overvoltages caused by the effect of oscillatory voltages are proposed.

机译：本文回顾了变压器绕组之间电压传递的主要机理以及传递的过电压幅值的理论确定。陈述了实验确定转移过电压幅度的方法，并给出了这些方法的实际应用示例。描述了有关防止快速瞬态过电压引起的过电压转移的实际规范文档的建议。提出了针对由振荡电压的影响引起的谐振转移过电压的保护措施。

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来源
《Russian electrical engineering》 |2015年第7期|412-417|共6页
作者
V. S. Larin;
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作者单位

Federal State Unitary Enterprise All-Russian Electrotechnical Institute, Moscow, 111250 Russia;

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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
transformer windings; transferred overvoltages; nonloaded windings; unused windings; winding resonant frequencies; overvoltage determination; overvoltage protection;

机译：变压器绕组;转移的过电压;空载绕组;未使用的绕组;绕组谐振频率;过电压确定;过压保护;

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1. A Study of Transferred Overvoltages on the Secondary Windings of Station Service Voltage Transformers [J] . V. S. Larin, D. A. Matveev, A. V. Zhuikov Russian electrical engineering . 2018,第5期

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2. Calculation and Experimental Assessment of the Voltages on the Longitudinal Insulation of the Windings of Station Service Voltage Transformers under Resonant Overvoltages [J] . V. S. Larin, D. A. Matveev Russian electrical engineering . 2019,第8期

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3. Impact of transformers from overvoltages transferred through windings [J] . Marek FLORKOWSKI, Jakub FURGAL, Maciej KUNIEWSKI Przeglad Elektrotechniczny . 2012,第5A期

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4. Statistical Evaluation of Transferred Voltages Through Transformers Due to Lightning Induced Overvoltages [C] . J. G. Herrera, E. Perez, H. Torres IEEE Bologna PowerTech Conference . 2003

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5. Transformer Winding Losses with Round Conductors and Foil Windings for Duty-Cycle Regulated Square Waveform Followed by Winding Design and Comparison for Sinusoidal Excitation. [D] . Iyer, Kartik. 2013

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Transferred Overvoltage on Nonloaded Transformer Windings: Evaluation of Voltage and Protective Measures

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