[TowerTalk] Yaesu G-8000 DXA controller with G-450 rotor
Joe Subich, W4TV
lists at subich.com
Mon Nov 21 14:18:03 EST 2016
That is known as a capacitor start - capacitor run motor. The
capacitor provides a phase shift between the two windings to
control the director the motor runs. Hy-Gain (CDE) rotators also
use capacitor start - capacitor run motors. Nothing "strange"
about them at all; the technique is rather common in fractional
horsepower reverseable motors.
73,
... Joe, W4TV
On 11/21/2016 12:36 PM, Herbert Schoenbohm wrote:
> It seems to be from the G-450 schematic that the rotor motor has two
> winding one for one direction and other direction and the other for the
> opposite direction and uses three wires to accomplish this feat. Very
> strange design indeed.
>
>
> Herb, KV4FZ
>
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