POWER SUPPLY APPARATUS, POWER SUPPLY SYSTEM, AND METHOD FOR CONTROLLING POWER SUPPLY SYSTEM

摘要

A power supply system (101) includes a first power supply apparatus (111a) and a second power supply apparatus (111b) connected to a load in parallel, for supplying power to the load (115). The first supply apparatus (111a) includes a first controller that controls the output voltage of the first supply apparatus (111a) when a power supply from the first supply apparatus (111a) to the load 115 is equal to or greater than a power requirement by the load (115), and controls the output current of the first supply apparatus (111a) when the supplied power is less than the required power. The second power supply apparatus 111b includes a second controller that stops the second supply apparatus from supplying power (111b) when the power supply is equal to or greater than the power requirement, and controls the output voltage of the power supply apparatus (111b) when the power supply is less than the power requirement.

主权项

1. A power supply system, comprising:
a first power supply apparatus configured to operate independently; and a second power supply apparatus configured to supply power to a load to which AC power output from the first power supply apparatus is supplied, the first power supply apparatus and the second power supply apparatus being each connected to the load in parallel, wherein the first power supply apparatus includes a first controller configured to control an output voltage of the first power supply apparatus when power supply supplied from the first power supply apparatus to the load is equal to or greater than power requirement required by the load, and to control an output current of the first power supply apparatus when the power supply is less than the power requirement, and the second power supply apparatus includes a second controller configured to stop the second power supply apparatus from supplying power when the power supply is equal to or greater than the power requirement, and to control an output voltage of the second power supply apparatus when the power supply is less than the power requirement.