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I am looking for a switch. I have a solar panel that drives a 12-24V dc Pond pump. I live in a colder climate and I don't want the pond to freeze so I need to have it pump even when the solar panel isn't getting light. I don't want to use a battery. For winter I'd like to drive the pump during daylight and then when the light gets low I'd like it to switch to a 12-24V AC to DC power supply that I have to drive the pump. Ideally I'd like this to be adjustable to have this kick in based on how much light is available. Any help would be greatly appreciated. |
September 23, 2024 |
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maybe some pre-fab industrial electronic products might suit best to solve your problem. An (adjustable) level detector followed by a hysteresis window comparator to avoid "flickering" of your output drive during twilight. A double pole - double throw relay can switch between your power supplies. |
by tubing September 24, 2024 |
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or maybe just only the relay that drops off and switches to the main source when the solar panels do not provide sufficient energy. |
September 24, 2024 |
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