[KongchangAI]
Unverified82% confidenceFactTime unknown

PI(极化指数,R10min/R1min)和DAR(吸收比,R60s/R15s)是判断绝缘老化和受潮的重要指标,PI>2或DAR>1.4通常表示绝缘良好,需要判断设备劣化趋势时应选支持这两项计算的数字兆欧表

1
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82%
Confidence
Long-term
Relevance
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