Systems and methods for enhanced efficiency auxiliary power supply module

摘要

Provided is a power supply for use in a solar electric production system, including: a first stage having an input connected to a voltage from a photovoltaic panel and an output providing a first voltage different from the voltage from the photovoltaic panel; and a second stage connected to the output of the first stage, the second stage supplying power at a second voltage to a micro-controller, where the output of the first stage is turned on and stable for a period of time before the second stage is turned on to supply the power at the second voltage to the micro-controller.

主权项

1. A method to supply power, the method comprising:
providing a power supply having a first stage and a second stage, wherein the first stage converts power from a direct current input into a first output, and the second stage powered by the first output has a second output for a micro-controller; connecting the first output of the first stage to a switchable load to consume at least a portion of the first output while disabling the second stage in supplying the second output to the micro-controller; determining whether the first output from the first stage powering the switchable load is above a threshold during a time period in which the second output to the micro-controller is disabled; and in response to a determination that the first output from the first stage powering the switchable load is above the threshold during the time period in which the second output to the micro-controller is disabled,
disconnecting the switchable load from the first output of the first stage; andinstructing the second stage to enable the second output to the micro-controller using power from the first output of the first stage.