[Milsurplus] Aircraft Electrical Question

[Peter Gottlieb]

I'm no expert but I thought it all comes from 3 phase Wye grounded neutral.


On 1/12/2011 11:49 AM, Jack Antonio wrote:
> This is concerning an aircraft using 120V 400 cycle
> power. And I realize it may vary between aircraft,
> so I'm wondering if there is "standard practice"
> concerning this.
>
> Is one side of the AC line grounded? Is the 120V
> floating, or balanced with respect to ground?
>
> If one side is grounded, do they use a single point
> ground, or use the airframe as a return conductor?
>
> Looking at some gear here in the shack that uses
> 400 cycle, which is what got me wondering.
>
> Thanks
>
> Jack Antonio WA7DIA/4
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