CHARGE SYSTEM FOR ELECTRIC VEHICLE AND METHOD FOR CHARGING ELECTRIC VEHICLE
First Claim
1. A charging system for an electric vehicle that charges a plurality of batteries, the system comprising:
- a power conversion system configured to convert AC power supplied from a power system into DC power to supply it to the plurality of batteries or to convert DC power charged in the plurality of batteries into AC power to supply it to the power system;
a main switch having an end connected to the power conversion system; and
a plurality of sub-switches, each of the sub-switches having an end connected to the respective batteries and the other end connected to the other end of the main switch in parallel,wherein the batteries are sequentially charged or discharged to a first predetermined capacity, and all are simultaneously charged to a second predetermined capacity once they reach the first predetermined capacity, wherein the second predetermined capacity is greater than the first predetermined capacity.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein is a charging system for an electric vehicle. The charge system includes: a power conversion system configured to convert AC power into DC power or convert DC power into AC power; a main switch unit having an end connected to the power conversion system; and a plurality of sub-switches, each of the sub-switches having an end connected to the respective batteries and the other end connected to the other end of the main switch unit in parallel. The batteries are sequentially charged or discharged to a first predetermined capacity, and all are simultaneously charged to a second predetermined capacity once they reach the first predetermined capacity, the second predetermined capacity being greater than the first predetermined capacity.
-
Citations
6 Claims
-
1. A charging system for an electric vehicle that charges a plurality of batteries, the system comprising:
-
a power conversion system configured to convert AC power supplied from a power system into DC power to supply it to the plurality of batteries or to convert DC power charged in the plurality of batteries into AC power to supply it to the power system; a main switch having an end connected to the power conversion system; and a plurality of sub-switches, each of the sub-switches having an end connected to the respective batteries and the other end connected to the other end of the main switch in parallel, wherein the batteries are sequentially charged or discharged to a first predetermined capacity, and all are simultaneously charged to a second predetermined capacity once they reach the first predetermined capacity, wherein the second predetermined capacity is greater than the first predetermined capacity. - View Dependent Claims (2, 3, 4, 5, 6)
-
Specification