Patent ID: 6301674
Filing Date: 2001-10-09
Classification: H02J,Y02B,Y04S

Abstract:
A power control method for supplying power through a power line, which has a predetermined maximum consumable power, to a plurality of electric apparatuses which are connected to the power line, the method comprising:receiving a power use request message from one of the electric apparatus via a wireless communication network;measuring a total amount of power actually used by all of the electric apparatuses connected to the power line;sending a first message to said electric apparatus for granting the power use request, when a sum of the total amount of power and the requested power does not exceed the predetermined maximum consumable power;determining an upper limit of permissible power which is lower than the requested power, when the sum of the total amount of power and the requested power exceeds the maximum consumable power; andsending a second message to said electric apparatus via the wireless communication network for granting a use of the upper limit of permissible power.