电压畸变和不平衡引起的感应电机热老化:使用寿命的损失及其估计成本

2001 IEEE Industrial and Commercial Power Systems Technical Conference. Conference Record (Cat. No.01CH37226) Pub Date : 2001-05-15 DOI:10.1109/ICPS.2001.966519

J. D. de Abreu, A. Emanuel

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引用次数: 144

摘要

本文报道了电压畸变和不平衡(VDI)对低压感应电动机绝缘热老化的影响。这项研究是基于对实际发动机在2到200马力范围内的详细热建模。在不同的VDI条件下，估计了使用寿命损失的美元价值。得出了两个重要结论:第一;电压次谐波对电机热老化有显著影响。第二个;在今天的美国，由于谐波污染和电压不平衡导致的电机寿命损失的总成本估计在每年10到20亿美元之间。

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Induction motor thermal aging caused by voltage distortion and imbalance: loss of useful life and its estimated cost

This paper reports the effect of voltage distortion and imbalance (VDI), on the thermal aging of the insulation of low voltage induction motors. The study is based on a detailed thermal modeling of actual motors in the 2 to 200 HP range. The dollar value of the useful life lost was estimated for different VDI conditions. Two important conclusions were reached: First; voltage subharmonics have a dramatic effect on motor thermal aging. Second; the overall cost of motor loss of life due to harmonic pollution and voltage imbalance, in the US today, is estimated to be in the range of 1 to 2 billion dollars per year.

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2001 IEEE Industrial and Commercial Power Systems Technical Conference. Conference Record (Cat. No.01CH37226)

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