Voltage prioritization of solar loads
First Claim
1. A solar electric distribution system, comprising:
- one or more solar panels that provide a solar panel supplied voltage having an optimum voltage output, an energy storage unit charger and a variable appliance loader that provides pulsing direct current power to an appliance from the solar panel supplied voltage based on priority level of the appliance, connected in parallel,wherein the variable appliance loader provides pulsing direct current power to the appliance at a lower solar panel supplied voltage when the appliance is higher priority and provides pulsing direct current power to the appliance at a higher solar panel supplied voltage when the appliance is lower priority.
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Abstract
Solar electric energy is optimally used by varying one or more connected loads to achieve a maximum output power voltage. Entire appliances may be switched on or off, or modulated, as in the case for example of a heat pump compressor circuit or electric water heater. Variations of this theme are used to prioritize appliance usage for overall improved convenience and efficiency. Solar electric appliances such as refrigerators, freezers, air dryers and water pumps are described. This and other electric sources may be used to power electric garden tools. Electric distribution tools and methods are described as well as electric garden tillers with features such as semi-control and smooth operation.
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Citations
17 Claims
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1. A solar electric distribution system, comprising:
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one or more solar panels that provide a solar panel supplied voltage having an optimum voltage output, an energy storage unit charger and a variable appliance loader that provides pulsing direct current power to an appliance from the solar panel supplied voltage based on priority level of the appliance, connected in parallel, wherein the variable appliance loader provides pulsing direct current power to the appliance at a lower solar panel supplied voltage when the appliance is higher priority and provides pulsing direct current power to the appliance at a higher solar panel supplied voltage when the appliance is lower priority. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A solar electric energy system having a maximum power output voltage that prioritizes supply of solar electric energy to appliances, comprising:
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a source of solar energy having an output voltage that can vary with load; multiple appliances that consume energy from the source of solar energy; and one or more controllers connected between the source of solar energy and the multiple appliances; wherein the one or more controllers provide pulsed DC power to and adjust the solar energy output load voltage to alternative regulated target voltages based on priority of attached appliances, such that a high priority appliance but not low priority appliance is powered at a low adjusted solar energy output load voltage and a low priority appliance is powered at a higher adjusted solar energy output load voltage. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification