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DC 310V for chemical plant electricity

2016-12-07View Original

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The first time I encountered electricity used in a petrochemical plant, it was DC 310V; I don’t know where that came from Why not use 380 or 220? The power supplied to the control system is also 310V DC these days, alas. . .
Reply #22016-12-07
They should all be 380 and 220
Reply #32016-12-08
The power used in the plant’s automatic control systems is all 310V DC power.

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Translated at 2026-07-20 22:46:35

Original: https://bbs.hcbbs.com/thread-1649388-1-1.html

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