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Diagnostics of Transformer Insulation by Frequency Domain Spectroscopy

机译：频域光谱法诊断变压器绝缘

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The paper deals with the diagnostics of insulation oil-paper in high-voltage transformers by frequency diagnostic spectroscopy. The first part of paper deals with the base information about diagnostics of power transformers. In this part are presented differently insulating methods, for example method of recovery voltage method (RVM), method of polarization and depolarization currents (PDC) and chromatographic analysis. The second part of paper deals use of method of frequency domain spectroscopy (FDS) for high-voltage transformers with insulation oil-paper. This method is used in analysis insulating condition of power transformer with system of oil-paper. It was found, that the results of these tests are highly impacted by the operating temperature during the experimental measurement. Moisture and conductivity between insulating paper and oil in an insulating system are highly dependent from temperature. In the other part, the paper presents experimental results of the frequency diagnostic measurement for a real single-phase high-voltage transformer at different operating temperatures and states (with oil and without). Finally in the last part, the paper presents comparing frequency insulating measurements among several the same single-phase high-voltage transformers.
机译：本文通过频率诊断光谱处理了高压变压器中绝缘油纸的诊断。纸张的第一部分涉及电力变压器诊断的基础信息。在该部分中，呈现不同的绝缘方法，例如回收电压方法（RVM）的方法，偏振和去极电流（PDC）和色谱分析。纸张的第二部分涉及具有绝缘油纸的高压变压器的频域光谱（FDS）的使用方法。该方法用于分析电力变压器的隔热状态，具有油纸系统。发现，在实验测量期间，这些试验的结果受到工作温度的高度影响。绝缘系统中的绝缘纸和油之间的湿度和导电性高度依赖于温度。另一方面，本文介绍了不同工作温度和状态下真正单相高压变压器的频率诊断测量的实验结果（用油和油）。最后在最后一部分中，纸张呈现了相同单相高压变压器之间的频率绝缘测量。

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