Steve Saunders Goldwing Forums - View Single Post - GL1500- Do I have an OverCharging Issue

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post #24 of (permalink) Old 04-19-2019, 05:33 AM
MaynardGKrebbs's Avatar
Join Date: Sep 2018
Location: Indiana
Year: 2004
Make: honda
Model: gl1800
Posts: 46
OK, you have now established a point of confusion. The "common" connection in a Wye or star connected winding is not ground but common. The"ground" is made by the physical connection of the anodes of 3 diodes to the alternator case( or negative terminal in an isolated output alternator). What about the case of a "delta" connection. It has three common points, each tied to the center point of a pair of diodes (anode of one , cathode of the other). The opposite ends of the diodes become the positive and negative outputs(X3).

Or the Ford alternator with 8 diodes ( 2 tied to common).

I believe that most alternators are now a delta connection, to get higher output currents in a smaller package.
Attached Images
File Type: jpg Wye.jpg (43.9 KB, 6 views)
File Type: jpg delta.jpg (49.9 KB, 6 views)
File Type: jpg ford.jpg (69.2 KB, 6 views)

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