[KongchangAI]
Unverified50% confidenceDecision RuleTime unknown

测量用互感器精度选0.2/0.5级即可满足计量,继电保护用途需选5P10/10P10等P级(保护级),二者不可混用:计量级在过载时会饱和失效,保护级在正常范围精度不足

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