BATTERY-BACKED DC FAST CHARGING SYSTEM
First Claim
1. A system for charging an electric or hybrid-electric vehicle, the system comprising:
- a. a low power grid interface comprising an AC pole and a DC pole, the AC pole being electrically connected to an electrical power grid;
b. a battery buffer electrically connected to the DC pole of the low power grid interface; and
c. a DC-DC converter having an input DC pole and an output DC pole, the input DC pole being connected to the battery buffer and the output DC pole being connected to an electric vehicle, wherein the connection between the battery buffer and the DC-DC converter is a DC electrical connection.
4 Assignments
0 Petitions
Accused Products
Abstract
A system for charging an electric or hybrid-electric vehicle, the system comprising: a low power grid interface comprising an AC pole and a DC pole, the AC pole being electrically connected to an electrical power grid; a battery buffer electrically connected to the DC pole of the low power grid interface; and a DC-DC converter having an input DC pole and an output DC pole, the input DC pole being connected to the battery buffer and the output DC pole being connected to an electric vehicle, wherein the connection between the battery buffer and the DC-DC converter is a DC electrical connection.
11 Citations
20 Claims
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1. A system for charging an electric or hybrid-electric vehicle, the system comprising:
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a. a low power grid interface comprising an AC pole and a DC pole, the AC pole being electrically connected to an electrical power grid; b. a battery buffer electrically connected to the DC pole of the low power grid interface; and c. a DC-DC converter having an input DC pole and an output DC pole, the input DC pole being connected to the battery buffer and the output DC pole being connected to an electric vehicle, wherein the connection between the battery buffer and the DC-DC converter is a DC electrical connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20)
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17. A method for charging an electric or hybrid-electric vehicle, the method comprising:
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a. providing a low power grid interface comprising an AC pole and a DC pole, the AC pole being electrically connected to an electrical power grid; b. providing a battery buffer electrically connected to the DC pole of the low power grid interface; and c. providing a DC-DC converter having an input DC pole and an output DC pole, the input DC pole being connected to the battery buffer and the output DC pole being connected to an electric vehicle, wherein the connection between the battery buffer and the DC-DC converter is a DC electrical connection.
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Specification