Patent ID: 9645541
Date: 2017-05-09
CPC Classifications: G03G,H02M

Claim:
1. An electric power supply device comprising: an electric power providing unit for providing electric power, an electric power control unit for controlling outputting electrical voltage of the electric power providing unit by constant voltage control, so that electrical potential of a remote sensing location is kept constant, a plurality of load blocks being parallely connected to each other, and connected to the electric power providing unit, an electrical power saving circuit for switching the state of each of the load blocks between the state in which the load block is provided with electric power from the electric power providing unit and the state in which the load block is not provided with electric power from the electric power providing unit, and a setting unit for setting the remote sensing location, wherein the setting unit sets a contact point of an input side of a circuit or block in which consumption electrical current is the largest, or a contact point of an input side of a circuit or block in which behavior guarantee minimum electrical voltage is the largest, out of the electrical power saving circuit and the load block which is provided with electric power among the load blocks, as the remote sensing location.