逆变控制旋转机械绝缘设计中PDIV和RPDIV的定义

G. Montanari, P. Seri
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引用次数: 10

摘要

局部放电起始电压(PDIV)和重复局部放电起始电压(RPDIV)是表征功率变换器供电旋转电机绝缘系统的关键参数。特别是,这些数量在I型绝缘的设计和鉴定中具有基本作用,该类绝缘必须持续所有寿命而不发生局部放电(PD)。本文分析了来自IEC 60034-18-41和IEC 60034-18-42标准的两个定义,并指出了可能影响绝缘系统设计的潜在差异,特别是从双电平逆变器到正弦波形。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
About the Definition of PDIV and RPDIV in Designing Insulation Systems for Rotating Machines Controlled by Inverters
The partial discharge inception voltage (PDIV) and the repetitive partial discharge inception voltage (RPDIV) are key parameters for the characterization of the insulation system of rotating machines fed by power converters. In particular, these quantities have a fundamental role in the design and qualification of Type I insulation which has to last all life without partial discharges (PD). This paper analyzes the two definitions, taken from the IEC 60034-18-41 and IEC 60034-18-42 standards, and shows potential discrepancies which can affect significantly insulation system design, especially going from two-level inverter to sinusoidal waveforms.
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