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A Study for Examining Dissipation Factors of Various Insulations and Test Transformers in the Wide Range of Frequency

机译：在宽频率范围内检查各种绝缘和测试变压器的耗散因素的研究

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摘要

Many diagnosing techniques were introduced more than a decade ago and has been thoroughly evaluated in a number of research projects and field tests with good results [1, 2]. Recent attention has focused on measuring various dielectric response parameters, which characterize some known polarization phenomena. The three foremost techniques are: RVM (Recovery Voltage Method), PDC (Polarization and Depolarization Currents), FDS (Frequency Domain Spectroscopy) and measurements of electric capacitance C and loss factor {tan 5) in dependency of frequency [3]. Diagnosis of insulating systems requires non-destructive test methods. This may be accomplished by measuring partial discharge and/or dielectric dissipation factor and capacitance using conventional well-established laboratory techniques.
机译：十多年前引入了许多诊断技术，并已在许多研究项目和现场测试中进行了全面评估，取得了良好的效果[1、2]。最近的注意力集中在测量各种介电响应参数上，这些参数表征了一些已知的极化现象。三种最重要的技术是：RVM（恢复电压法），PDC（极化和去极化电流），FDS（频域光谱法）以及根据频率测量电容C和损耗因子（tan 5）[3]。绝缘系统的诊断需要非破坏性的测试方法。这可以通过使用公认的常规实验室技术测量局部放电和/或介电耗散因数以及电容来实现。

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