Three-phase to three-phase direct matrix converter
AssigneeBorgWarner Inc.
InventorsWoongkul Lee, Brian Wightman
Life of this patent
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Abstract
A direct current (DC) fast charger for charging batteries of electric vehicles (EVs) including a primary circuit, having nine switches, electrically linked to primary wires of a transformer and configured to receive three-phase alternating current (AC) power and increase the frequency of the AC power; and a secondary circuit, including six switches or diodes arranged to rectify AC voltage into DC power, that is electrically linked to a secondary wire of the transformer.
Claims19
A direct current (DC) fast charger for charging batteries of electric vehicles (EVs), comprising:
- a primary circuit in the form of a three-phase to three-phase direct matrix converter, including nine switches, electrically linked to primary wires of a transformer, each of the nine switches includes an A-side switch and a B-side switch wired in series having opposing body diodes in a reverse-blocking arrangement and configured to receive three-phase alternating current (AC) power from an electrical grid and increase the frequency of the AC power.
(canceled)
A direct current (DC) fast charger for charging batteries of electric vehicles (EVs), comprising:
- a primary circuit in the form of a three-phase to three-phase direct matrix converter, electrically linked to primary wires of a transformer, configured to receive three-phase alternating current (AC) power and increase the frequency of the AC power, the primary circuit including an A-side switch and a B-side switch wired in series having opposing body diodes in a reverse-blocking arrangement to each leg of an AC power grid.
Dependencies are inferred from the claim text.