System and method for providing low voltage 3-phase power in a vehicle
First Claim
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1. An electric vehicle, comprising:
- a plurality of wheels rotatably supported by a vehicle platform;
an electric motor coupled to at least one wheel;
a drive controller coupled to the electric motor;
a vehicle controller coupled to the drive controller and a data bus network; and
a principal power unit including a generator coupled to a prime mover, the generator including at least first and second sets of windings to generate power, the first set of windings generating power at a first voltage and the second set of windings generating power at a second voltage that is different from the first voltage wherein the electric motor is driven by the first voltage.
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Abstract
A vehicle including a principal power unit that includes a generator coupled to a prime mover. The generator includes at least first and second sets of windings to generate power. The first set of windings is configured to generate power at a first voltage and the second set of windings is configured to generate power at a second voltage that is different from the first voltage.
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Citations
31 Claims
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1. An electric vehicle, comprising:
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a plurality of wheels rotatably supported by a vehicle platform;
an electric motor coupled to at least one wheel;
a drive controller coupled to the electric motor;
a vehicle controller coupled to the drive controller and a data bus network; and
a principal power unit including a generator coupled to a prime mover, the generator including at least first and second sets of windings to generate power, the first set of windings generating power at a first voltage and the second set of windings generating power at a second voltage that is different from the first voltage wherein the electric motor is driven by the first voltage. - View Dependent Claims (2, 3, 4, 5)
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- 6. (canceled)
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13. An electric vehicle, comprising:
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a vehicle support structure;
a plurality of wheels rotatably supported by the vehicle structure, wherein at least two of the wheels are steerable;
at least one electric motor coupled to at least one of the wheels;
a high voltage A/C power bus including at least two phase conductors, wherein the phase conductors are coupled to a principal power unit;
a low voltage A/C power bus including at least two phase conductors, wherein the phase conductors are coupled to the principal power unit;
a power storage unit coupled to the high voltage AC power bus;
a vehicle controller coupled to the electric motor and the high voltage AC power bus;
a data bus coupled to the vehicle controller; and
a principal power unit supported by the structure, wherein the principal power unit includes a generator, the generator including at least first and second sets of windings to generate power, the first set of windings generating power at a first voltage and the second set of windings generating power at a second voltage that is different from the first voltage, wherein the electric motor is driven by the first voltage. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An electric vehicle, comprising:
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a principal power unit including a-generator, the generator including at least first and second sets of windings to generate power, the first set of windings generating power at a first voltage and the second set of windings generating power at a second voltage that is different from the first voltage; and
at least four wheels including rubber tires, wherein at least two of the wheels are driven by the first voltage, wherein the second voltage is not used to drive the vehicle. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
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Specification