I see where you are comming from. However they are listing engineering guidlines like duty cycle and related losses in electonic components. For sizing components I.e. black box systems a guide may say over size by 20%. Anything other than recommended guidlines unless overbuilding will shorten the life of components. Rather than state voltages it is standard practice to work in watts (the standard that only changes due to losses in a system.
Kevin
On Dec 5, 2013 11:41 AM, <dfwmcse@yahoo.com> wrote:
Copied directly from a TCCH-6000 battery charger configuration worksheet:
This is the Max Wattage Output from the Charger in Relation to the Inpute Sources Input Output 120V 15A 1200 240V 30A 4000
For example, 120vac = 83vdc. 83vdc * 15a = about 1200 watts of usable DC power.
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