NETWORK APPARATUS, ELECTRIC POWER SUPPLY SYSTEM, AND ELECTRIC POWER SUPPLY METHOD

摘要

A network apparatus includes: a selection unit that selects a power supply for supplying electric power to a load apparatus from among a first power supply stably supplying a certain amount of electric power and a second power supply that is a power accumulating unit for accumulating electric power generated by natural energy, in accordance with a transition state of the load apparatus and an amount of accumulated electric power in the power accumulating unit; and a supply unit that supplies electric power input from the first power supply or the second power supply selected by the selection unit to the load apparatus via a network cable.