Relays and Controls
The simple controls presented here enable you to automate certain functions for your renewable energy system, such as turning on/ off a load or starting/stopping a generator, or inverter, based on logical conditions, such as, battery voltage, time of day, or sensor reading. Relays enable a small control voltage signal to open or close a switch for a much larger voltage and current. Select relays and design your system so that it will "fail safe" if the control signal is lost.
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