POWER SUPPLY DEVICE, ON-BOARD POWER SUPPLY DEVICE, AND ELECTRIC AUTOMOBILE
First Claim
1. A power supply apparatus comprising:
- a power supply circuit; and
a control section,the power supply circuit includinga power factor improvement circuit that improves a power factor of alternating-current electrical energy by switching of a transistor; and
a DC/DC conversion apparatus that converts by switching of a transistor at least one of a voltage and a current of the electrical energy whose power factor is improved by the power factor improvement circuit,the control section being configured to control switching timings of the power factor improvement circuit and the DC/DC conversion apparatus, whereina plurality of (or N, which is an integer of 2 or greater) the power supply circuits are provided, andthe control section controls the switching timings such that the switching timing of the power factor improvement circuit differs among the N power supply circuits, and that the switching timing of the DC/DC conversion apparatus differs among the N power supply circuits.
1 Assignment
0 Petitions
Accused Products
Abstract
A power supply apparatus includes: a power supply circuit; and a control section, the power supply circuit including a power factor improvement circuit that improves a power factor of alternating-current electrical energy by switching of a transistor; and a DC/DC conversion apparatus that converts by switching of a transistor at least one of a voltage and a current of the electrical energy whose power factor is improved by the power factor improvement circuit, the control section being configured to control switching timings of the power factor improvement circuit and the DC/DC conversion apparatus, wherein the number of the power supply circuit is N, and the control section controls the switching timings such that the switching timing of the power factor improvement circuit differs among the N power supply circuits, and that the switching timing of the DC/DC conversion apparatus differs among the N power supply circuits.
32 Citations
17 Claims
-
1. A power supply apparatus comprising:
-
a power supply circuit; and a control section, the power supply circuit including a power factor improvement circuit that improves a power factor of alternating-current electrical energy by switching of a transistor; and a DC/DC conversion apparatus that converts by switching of a transistor at least one of a voltage and a current of the electrical energy whose power factor is improved by the power factor improvement circuit, the control section being configured to control switching timings of the power factor improvement circuit and the DC/DC conversion apparatus, wherein a plurality of (or N, which is an integer of 2 or greater) the power supply circuits are provided, and the control section controls the switching timings such that the switching timing of the power factor improvement circuit differs among the N power supply circuits, and that the switching timing of the DC/DC conversion apparatus differs among the N power supply circuits. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17)
-
-
11. An in-vehicle power supply apparatus that charges a storage battery apparatus mounted in a vehicle with alternating-current electrical energy that is supplied through an alternating-current charging port of the vehicle from a power supply disposed outside the vehicle, the in-vehicle power supply apparatus comprising
a DC/DC conversion apparatus electrically connected with a plurality of the alternating-current charging ports of the vehicle.
Specification