Thread: My new lathe
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Old 17-04-2020, 08:46 PM
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Quote:
Originally Posted by The_bluester View Post
... is that essentially about a 240VDC circuit but essentially a balanced circuit with no ground reference as such, the neg rail around -120V with reference to "ground" (The MEN grounded neutral in this instance) and VCC of +120VDC?

Not quite..

DC voltage between "+" and "-" lines is 340V (240*SQRT(2)).
If neutral is at GND potential (it never is), then "+ " oscillates between 0V and +340V, and "-" oscillates between "0" and -340V with frequency of 50Hz.

This could be deadly.
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