On 04/25/2018 04:48 AM, Erik Christiansen wrote:
As mentioned upthread, a linear regulator wastes power.
But cheap switchmode power supplies tend to radiate RF,
and wipe out radio reception in my remote rural location.
It is possible to place switchmode supplies in shielded
enclosures to reduce radiated EMI as much as you want to.
The power savings can be enormous. If your DC bus voltage
is VERY stable, then you can use linear regulation with
minimal loss. But, if the lights have to work when the
battery is being charged through being discharged, you can't
be that efficient.
Jon
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