[ARC5] Collins xfmr ratings

Kenneth G. Gordon kgordon2006 at frontier.com
Sat Aug 16 12:23:12 EDT 2014


On 16 Aug 2014 at 8:19, Ian Wilson wrote:

> There is a hidden factor of 1130 built into the numbers that Ken
> used. This applies for 60Hz, full-wave rectified AC. Since 1000
> is easier to remember than 1130,

And much easier to calculate with in one's head...

> the approximate version has
> become popular. Note that the constant 1130 assumes 60Hz.
> For a 50Hz you can scale the results by 6/5.
> 
> It is convenient, if not particularly rigorous, to use constants without
> bothering to state their units. [Nuclear reactor designers please
> disregard].

Hee hee! :-)

Ken W7EKB


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