Electric system architecture for a vehicle with multiple load characteristics
First Claim
1. An electric power system (EPS), comprising:
- a permanent magnet synchronous machine (PMSM);
a first rectifier configured to receive an alternating current (AC) power from the PMSM and rectify the AC power into a first direct current (DC) power;
a first buck converter configured to receive the first DC power from the first rectifier and reduce a voltage of the first DC power;
a first output filter configured to filter the first DC power and supply the first DC power to a first load;
a second rectifier coupled in parallel with the first rectifier and configured to receive the AC power and rectify the AC power into a second DC power;
an H-bridge connected in series with the second rectifier;
a galvanically isolated transformer connected in series with the H-bridge; and
a second output filter connected in series with the galvanically isolated transformer and configured to supply the second DC power to a second load.
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Accused Products
Abstract
An electric power system (EPS) may comprise a first power conversion channel and a second power conversion channel connected in parallel with a permanent magnet synchronous machine (PMSM). The first power conversion channel may be suitable for a load having a first electronic characteristic. The second power conversion channel may be suitable for a load having a second electronic characteristic. The first power conversion channel may comprise a first rectifier configured to receive an alternating current (AC) power from the PMSM and rectify the AC power into a first direct current (DC) power, a first buck converter configured to receive the first DC power from the first rectifier and reduce a voltage of the first DC power, and a first output filter configured to filter the first DC power and supply the first DC power to a first load.
25 Citations
16 Claims
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1. An electric power system (EPS), comprising:
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a permanent magnet synchronous machine (PMSM); a first rectifier configured to receive an alternating current (AC) power from the PMSM and rectify the AC power into a first direct current (DC) power; a first buck converter configured to receive the first DC power from the first rectifier and reduce a voltage of the first DC power; a first output filter configured to filter the first DC power and supply the first DC power to a first load; a second rectifier coupled in parallel with the first rectifier and configured to receive the AC power and rectify the AC power into a second DC power; an H-bridge connected in series with the second rectifier; a galvanically isolated transformer connected in series with the H-bridge; and a second output filter connected in series with the galvanically isolated transformer and configured to supply the second DC power to a second load. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electric power system (EPS) comprising:
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a permanent magnet synchronous machine (PMSM) configured to generate an alternating current (AC) power; a first power conversion channel connected to the PMSM and configured to receive the AC power; a second power conversion channel connected to the PMSM and configured to receive the AC power; wherein the first power conversion channel and the second power conversion channel are connected in parallel, the first power conversion channel configured to generate a first DC power utilizing the AC power, the second power conversion channel configured to generate a second DC power utilizing the AC power; the first power conversion channel comprises a first rectifier configured to generate the first DC power utilizing the AC power, and the second power conversion channel comprises a second rectifier configured to generate the second DC power utilizing the AC power, the first power conversion channel comprises; a first buck converter configured to reduce a voltage of the first DC power; and a first load configured to receive the first DC power; and the second power conversion channel comprises; an H-bridge connected in series with the second rectifier; a galvanically isolated transformer connected in series with the H-bridge; and a second load configured to receive the second DC power; wherein the first DC power comprises a first power and the second DC power comprises a second power, the second power is greater than the first power. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method for generating electric power, comprising:
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rotating a rotor of a permanent magnet synchronous machine (PMSM); generating, via the PMSM, an AC power in response to the rotating; generating, via a first power conversion channel, a first DC power utilizing the AC power, wherein the first DC power comprises a first power, and the first power conversion channel is connected to the PMSM and is configured to receive the AC power; and generating, via a second power conversion channel, a second DC power utilizing the AC power, wherein the second DC power comprises a second power, and the second power conversion channel is connected to the PMSM and is configured to receive the AC power; wherein the second power is greater than the first power, the first power conversion channel and the second power conversion channel are connected in parallel, the first power conversion channel comprises a first rectifier configured to generate the first DC power utilizing the AC power, and the second power conversion channel comprises a second rectifier configured to generate the second DC power utilizing the AC power, the first power conversion channel comprises; a first buck converter configured to reduce a voltage of the first DC power; and a first load configured to receive the first DC power; and the second power conversion channel comprises; an H-bridge connected in series with the second rectifier; a galvanically isolated transformer connected in series with the H-bridge; and a second load configured to receive the second DC power.
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Specification