Patent ID: 7550861

Claim:
An AC power supplying system supplying AC power to a plurality of electric loads, comprising: a power supply apparatus outputting said AC power; and a control device controlling a load amount of each of said plurality of electric loads such that a supply amount of said AC power to said plurality of electric loads does not exceed an upper limit of a power amount which can be output from said power supply apparatus; wherein said power supply apparatus includes: a first motor generator coupled to an internal combustion engine of a vehicle and generating power; a first inverter connected to said first motor generator and receiving supply of power from a power source; and a control unit controlling an operation of said first inverter, said control unit including an upper limit setting unit setting an upper limit of a power amount generated by said first motor generator based on a remaining amount of fuel in said internal combustion engine, a power generation amount control unit controlling said power amount generated, based on said set upper limit of said power amount, and a transmitting unit transmitting a signal designating said upper limit of said power amount to said control device.