那位DX能幫我算算creapage distances:
Working voltage rms: 380V
在表格中查出已知條件:
300Vrms: 3.2mm
400Vrms: 4.0mm
怎樣計算380V的creapage distances?
希望高手指導一下,很急呀
How to calculation the creapage distances?
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