APPARATUS AND METHOD FOR GRID-TO-VEHICLE BATTERY CHARGING
First Claim
1. A charging system, for use in providing power for charging a battery, comprising:
- a first, alternating-current-to-direct-current, stage comprising;
a single-phase diode rectifier for rectifying an input alternating-current input voltage; and
a power-factor-correcting sub-circuit including a switch;
a second, direct-current-to-direct-current, stage comprising multiple switches;
a high-frequency capacitor connected between the first stage and the second stage; and
a controller connected to the switches of the first and second stages and configured to control, by way of the switches, timing of boost inductor current passing through the charging system.
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Abstract
A charging system for use in providing power for charging a battery. The system includes a first, alternating-current-to-direct-current, stage and a second, direct-current-to-direct-current, stage. The first stage includes a single-phase diode rectifier for rectifying an input alternating-current input voltage, and a power-factor-correcting sub-circuit including a switch. The second stage includes multiple switches. The system further includes a high-frequency capacitor connected between the first stage and the second stage. The system also includes a controller connected to the switches of the first and second stages and configured to control, by way of the switches, timing of boost inductor current passing through the charging system.
29 Citations
20 Claims
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1. A charging system, for use in providing power for charging a battery, comprising:
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a first, alternating-current-to-direct-current, stage comprising; a single-phase diode rectifier for rectifying an input alternating-current input voltage; and a power-factor-correcting sub-circuit including a switch; a second, direct-current-to-direct-current, stage comprising multiple switches; a high-frequency capacitor connected between the first stage and the second stage; and a controller connected to the switches of the first and second stages and configured to control, by way of the switches, timing of boost inductor current passing through the charging system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A charging system, for use in providing power for charging a battery, comprising:
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a first, alternating-current-to-direct-current, stage comprising a bridgeless boost-rectifier sub-circuit for rectifying an input alternating-voltage voltage, the bridgeless boost-rectifier sub-circuit comprising at least one switch; a second, direct-current-to-direct-current, stage comprising multiple switches; a high-frequency capacitor connected between the first stage and the second stage; and a controller connected to the switches of the first and second stages and configured to control, by way of the switches, timing of boost inductor current passing through the charging system. - View Dependent Claims (16, 17)
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18. A charging system, for use in providing power for charging a battery, comprising:
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a first, alternating-current-to-direct-current, stage comprising a single-phase diode rectifier for rectifying an input alternating-current input voltage; a second, direct-current-to-direct-current, stage comprising multiple switches; and a controller connected to the switches of the second stage and configured to control, by way of the switches, timing of boost inductor current passing through the charging system. - View Dependent Claims (19, 20)
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Specification