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1. (AU2011284036) Electric vehicle propulsion control device, and railway vehicle system
注:相关文本通过自动光符识别流程生成。凡涉及法律问题,请以 PDF 版本为准
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THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
1.    An electric vehicle propulsion control device including a power storage device, the electric vehicle propulsion control device comprising:
a power converting unit capable of performing bidirectional power flow control and configured to convert, when direct-current power from the power storage device is input from a first terminal side, the direct-current power into desired alternating-current power and output the alternating-current power from a second terminal side, convert, when direct-current power from a direct current power supply source excluding the power storage device is input from the first terminal side, the direct-current power into desired direct-current power or alternating-current power and output the direct-current power or the alternating-current power from the second terminal side, and convert, when the direct-current power from the direct current power supply source is input from the second terminal side, the direct-current power into desired direct current power and output the direct-current power from the first terminal side; and
a control unit configured to control an operation of the power converting unit, wherein
when converting the direct-current power from the power storage device input from the first terminal side into desired alternating-current power and outputting the alternating-current power from the second terminal side, the control unit causes the power converting unit to operate as an inverter,
when converting the direct-current power from the direct current power supply source input from the first
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terminal side into desired direct-current power and outputting the direct-current power from the second terminal side, the control unit causes the power converting unit to operate as a step-down chopper,
when converting the direct-current power from the direct current power supply source input from the first terminal side into desired alternating-current power and outputting the direct alternating-current power from the second terminal side, the control unit causes the power converting unit to operate as the inverter, and
when converting the direct-current power from the direct current power supply source input from the second terminal side into desired direct-current power and outputting the direct-current power from the first terminal side, the control unit causes the power converting unit to operate as a step-up chopper.
2.    The electric vehicle propulsion control device according to claim 1, wherein
a reactor is provided on the second terminal side of the power converting unit,
when a voltage of the direct current power supply source is higher than a stored voltage of the power storage device, the control unit causes the direct-current supply source to input the direct-current power of the direct current power supply source to the power converting unit from the first terminal side and
the power converting unit charges the power storage device using direct-current power output from the second terminal side via the reactor.
3.    The electric vehicle propulsion control device
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according to claim 1, wherein
a reactor is provided on the second terminal side of the power converting unit,
when a voltage of the direct current power supply source is lower than the stored voltage of the power storage device, the control unit causes the direct-current supply source to input the direct-current power of the direct current power supply source to the power converting unit from the second terminal side via the reactor, and
the power converting unit charges the power storage device using direct-current power output from the first terminal side.
4.    The electric vehicle propulsion control device according to claim 1, wherein
when the direct-current power of the power storage device is used as power for the electric vehicle, the control unit causes the power storage device to input the direct-current power of the power storage device to the power converting unit from the first terminal side, and the power converting unit drives the electric vehicle using alternating-current power output from the second terminal side.
5.    The electric vehicle propulsion control device according to claim 1, wherein
when the direct-current power of the direct current power supply source is used as power for the electric vehicle, the control unit causes the direct current power supply source to input the direct-current power of the direct current power supply source to the power converting unit from the first terminal side, and
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the power converting unit drives the electric vehicle using alternating-current power output from the second terminal side.
6.    The electric vehicle propulsion control device according to claim 1, wherein
when alternating-current power from an alternating current power supply source is input from the second terminal side, the power converting unit converts the alternating-current power into direct-current power and outputs the direct-current power from the first terminal side, and
when converting the alternating-current power from the alternating current power supply source input from the second terminal side into desired direct-current power and outputting the direct-current power from the first terminal side, the control unit cause the power converting unit to operate as a converter.
7.    The electric vehicle propulsion control device according to claim 6, wherein
when charging the power storage device using the alternating-current power of the alternating current power supply source, the control unit causes the alternating current power supply source to input the alternating-current power of the alternating current power supply source to the power converting unit from the second terminal side, and the power converting unit charges the power storage device using direct-current power output from the first terminal side.
8.    The electric vehicle propulsion control device
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according to claim 6, wherein
when the electric vehicle propulsion control device includes at least an alternating-current generator as the alternating current power supply source,
when starting an engine, which is a power source of the alternating-current generator, using the direct-current power of the power storage device, the control unit causes the power storage device to input the direct-current power of the power storage device to the power converting unit from the first terminal side and drives the alternating current generator using alternating-current power output from the second terminal side to start the engine.
9.    The electric vehicle propulsion control device according to claim 6, wherein
when the electric vehicle propulsion control device includes at least an alternating-current generator as the alternating current power supply source,
when starting an engine, which is a power source of the alternating-current generator, using the direct-current power of the direct current power supply source, the control unit causes the direct current power supply source to input the direct-current power of the direct current power supply source to the power converting unit from the first terminal side and drives the alternating-current generator using alternating-current power output from the second terminal side to start the engine.
10.   The electric vehicle propulsion control device according to claim 6, wherein
when the electric vehicle propulsion control device includes at least an alternating-current overhead wire as the alternating current power supply source,
when supplying electric power of the direct current power supply source to the alternating-current overhead wire, the control unit causes the direct current power supply source to input the direct-current power of the direct current power supply source to the power converting unit from the first terminal side and supplies alternating current power output from the second terminal side to the alternating-current overhead wire.
11.   The electric vehicle propulsion control device according to claim 6, wherein
when the electric vehicle propulsion control device includes at least an alternating-current overhead wire as the alternating current power supply source,
when supplying electric power of the power storage device to the alternating-current overhead wire, the control unit causes the power storage device to input the direct current power of the power storage device to the power converting unit from the first terminal side and supplies alternating current power output from the second terminal side to the alternating-current overhead wire.
12.   The electric vehicle propulsion control device according to claim 7, wherein the alternating current power supply source includes at least one of an alternating current overhead wire or an alternating-current generator.
13.   The electric vehicle propulsion control device according to claim 1, wherein the direct current power supply source includes at least one of a direct-current overhead wire, a fuel battery, and a solar battery.
14.         The electric vehicle propulsion control device according to claim 1, further comprising an auxiliary power supply device configured to convert the direct-current power output by the power storage device or the direct current power supply source into alternating-current power and supply the alternating-current power to an auxiliary machine, wherein
when power supply to the auxiliary power supply device is switched from the direct current power supply source to the power storage device in a state in which power supply to the auxiliary power supply device is switched to the direct current power supply source side according to control by the control unit,
the control unit performs control for causing the power converting unit to operate as a step-up chopper to step up a voltage of the power storage device input from the second terminal and controlling a step-up ratio of the power converting unit such that a voltage output from the first terminal is substantially equal to an output voltage of the direct current power supply source, disconnecting the direct current power supply source and the power converting unit and reducing the step-up ratio of the power converting unit such that a voltage at the first terminal and a voltage at the second terminal in the power converting unit are substantially equal to each other, conducting the first terminal and the second terminal on an outside of the power converting unit to conduct the auxiliary power supply device and the power storage device and controlling an upper arm element in the power converting unit to be ON to conduct the first terminal and the second terminal to conduct on an inside of the power converting unit as well at a point when
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the voltage at the first terminal and the voltage at the second terminal are substantially equal to each other, and releasing the conduction between. the first terminal and the second terminal on the outside of the power converting unit while maintaining the conduction of the auxiliary power supply device and the power storage device.
15.         The electric vehicle propulsion control device according to claim 1, further comprising an auxiliary power supply device configured to convert the direct-current power output by the power storage device or the direct current power supply source into alternating-current power and supply the alternating-current power to an auxiliary machine, wherein
when power supply to the auxiliary power supply device is switched from the power storage device to the direct current power supply source in a state in which power supply to the auxiliary power supply device is switched to the power storage device side according to control by the control unit,
the control unit performs control for conducting the first terminal and the second terminal on an outside of the power converting unit, controlling an upper arm element in the power converting unit to be ON to conduct the first terminal and the second terminal to conduct on an inside of the power converting unit, and then releasing the conduction between the first terminal and the second terminal on the outside of the power converting unit, causing the power converting unit to operate as a step-up chopper to step up a voltage of the power storage device input from the second terminal and controlling a step-up ratio of the power converting unit such that a voltage output from the first H X 2s 9ln_aIo dvoecn-NAR7/P2o1nlb il\DCC\MAS\S)3t
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terminal is substantially equal to an output voltage of the direct current power supply source, connecting the direct current power supply source and the first terminal and disconnecting the second terminal and the power storage device at a point when a voltage output from the first terminal is substantially equal to an output voltage of the direct current power supply source.
16.   An electric vehicle propulsion control device including a power storage device, substantially as hereinbefore described, with reference to the accompanying drawings.
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connected and the power storage device, and further controls the power converting unit to convert the input direct-current voltage into a direct-current voltage for charging the power storage device.
18.   The electric vehicle propulsion control device according to claim 17, wherein the predetermined condition is a condition that a charging instruction for the power storage device is received from an outside.
19.   The electric vehicle propulsion control device according to claim 17, wherein the predetermined condition is a condition that a voltage of the power storage device is smaller than a threshold.
20.   The electric vehicle propulsion control device according to claim 16, wherein
when causing the electric vehicle to power-run or braking the electric vehicle,
the control unit sets the first switch to an open state and sets the second switch to a closed state, controls the switching unit to connect the terminal on the side of the power converting unit to which the first switch is connected and the power storage device, and further controls the power converting unit to convert the direct current voltage input from the power storage device into a three-phase alternating-current voltage for driving the motor.
21.   The electric vehicle propulsion control device according to claim 16, further comprising a connecting unit for connecting an external power storage device, which is different from the power storage device, in parallel to the Docket No. PMAA-12168-PCT
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power storage device.
22.   The electric vehicle propulsion control device according to claim 21, wherein the external power storage device is a power storage device set in another vehicle of a same formation.
23.   The electric vehicle propulsion control device according to claim 21, wherein the external power storage device is a power storage device set in a station or a rail yard.
24.   An electric vehicle propulsion control device including a power storage device, the electric vehicle propulsion control device comprising:
a switch configured to perform opening and closing of a circuit between an overhead wire and a power converting unit, which is a supply destination of a direct-current voltage input from the overhead wire;
a switching unit configured to select a terminal on a side of the power converting unit to which the switch is connected or a terminal connected to a neutral point of a motor, a three-phase connection of which is a start connection, the motor generating power for an electric vehicle using an output voltage from the power converting unit, and connect the terminal to the power storage device; and
a control unit configured to control the power converting unit, the switch, and the switching unit to switch a connection destination of the power converting unit and cause the power converting unit to operate as an inverter or a DC/DC converter according to an operation form of the electric vehicle.
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25. The electric vehicle propulsion control device according to claim 24, wherein
when the electric vehicle is standing or coasting and a predetermined condition concerning the power storage device is satisfied,
the control unit sets the switch to a closed state and controls the switching unit to connect the neutral point of the motor and the power storage device, and further controls the power converting unit to convert the input direct-current voltage into a direct-current voltage for charging the power storage device.
26.    The electric vehicle propulsion control device according to claim 24, wherein
when causing the electric vehicle to power-run or braking the electric vehicle,
the control unit sets the switch to an open state, controls the switching unit to connect the terminal on the side to which the first switch is connected, which is an input side of the power converting unit, and the power storage device, and further controls the power converting unit to convert the input direct-current voltage into a three-phase alternating-current voltage for driving the motor.
27.   An electric vehicle propulsion control device including a power storage device, the electric vehicle propulsion control device comprising:
a first switch configured to perform opening and closing of a circuit between an overhead wire and a power converting unit, which is a supply destination of an alternating-current voltage input from the overhead wire; Docket No. PMAA-12168-PCT
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a second switch configured to perform opening and closing of a circuit between the power converting unit and a motor that generates power for an electric vehicle; and a control unit configured to control the power converting unit, the first switch, and the second switch to switch a connection destination of the power converting unit and cause the power converting unit to operate as an inverter or a converter according to an operation form of the electric vehicle.
28.   The electric vehicle propulsion control device according to claim 27, wherein
when the electric vehicle is standing or coasting and a predetermined condition concerning the power storage device is satisfied,
the control unit sets the first switch to a closed state and sets the second switch to an open state and controls the power converting unit to convert an input voltage from the overhead wire into a direct-current voltage for charging the power storage device.
29.   The electric vehicle propulsion control device according to claim 27, wherein
when causing the electric vehicle to power-run or braking the electric vehicle,
the control unit sets the first switch to an open state and sets the second switch to a closed state and controls the power converting unit to convert an input voltage from the power storage device into a three-phase alternating-current voltage for driving the motor.
30.   An electric vehicle propulsion control device including a power storage device, the electric vehicle
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propulsion control device comprising:
a first switch configured to perform opening and closing of a circuit between a generator that generates an alternating-current voltage and a power converting unit, which is a supply destination of the alternating-current voltage;
a second switch configured to perform opening and closing of a circuit between the power converting unit and a motor that generates power for an electric vehicle; and a control unit configured to control the power converting unit, the first switch, and the second switch to switch a connection destination of the power converting unit and cause the power converting unit to operate as an inverter or a converter according to an operation form of the electric vehicle.
31.   The electric vehicle propulsion control device according to claim 30, wherein
when the electric vehicle is standing or coasting and a predetermined condition concerning the power storage device is satisfied,
the control unit sets the first switch to a closed state and sets the second switch to an open state and controls the power converting unit to convert an alternating-current voltage input to the power converting unit into a direct-current voltage for charging the power storage device.
32.   The electric vehicle propulsion control device according to claim 30, wherein
when causing the electric vehicle to power-run or braking the electric vehicle,
the  control   unit  sets  the  first  switch  to  an  open 
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state and sets the second switch to a closed state and controls the power converting unit to convert an input voltage from the power storage device into a three-phase alternating-current voltage for driving the motor.
33.   A railway car system comprising:
a plurality of cars mounted with electric vehicle propulsion control devices, each including:
a first switch configured to perform opening and closing of a circuit between an overhead wire and a power converting unit, which is a supply destination of a direct current voltage input from the overhead wire;
a second switch configured to perform opening and closing of a circuit between the power converting unit and a motor that generates power for an electric vehicle;
a switching unit configured to select a terminal on a side of the power converting unit to which the first switch is connected or a terminal on a side of the power converting unit to which the second switch is connected and connect the terminal to the power storage device;
a control unit configured to control the power converting unit, the first switch, the second switch, and the switching unit; and
a connecting unit configured to connect an external power storage device, which is different from the power storage device, to the power storage device in parallel, wherein
in at least one of the electric vehicle propulsion control devices, the power converting unit executes a DC/DC converter operation for converting an input voltage into a direct-current voltage for charging the power storage device and, in at least one of the remaining electric vehicle propulsion control devices, the power converting Docket No. PMAA-12168-PCT
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unit executes an inverter operation for converting the direct-current voltage generated by the DC/DC converter operation in the other power converting unit into a three phase alternating-current voltage for driving the motor.
34.   A railway car system comprising:
a plurality of cars mounted with electric vehicle propulsion control devices, each including:
a first switch configured to perform opening and closing of a circuit between an overhead wire and a power converting unit, which is a supply destination of an alternating-current voltage input from the overhead wire;
a second switch configured to perform opening and closing of a circuit between the power converting unit and a motor that generates power for an electric vehicle;
a control unit configured to control the power converting unit, the first switch, and the second switch; and
a connecting unit for connecting a power storage device in the own device and an external power storage in parallel, wherein
in at least one of the electric vehicle propulsion control devices, the power converting unit executes a converter operation for converting an input voltage into a direct-current voltage for charging the power storage device and, in at least one of the remaining electric vehicle propulsion control devices, the power converting unit executes an inverter operation for converting the direct-current voltage generated by the converter operation in the other power converting unit into a three-phase alternating-current voltage for driving the motor.
35.   A  railway  car  system   comprising: 
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a plurality of cars mounted with electric vehicle propulsion control devices, each including:
a first switch configured to perform opening and closing of a circuit between a generator that generates an alternating-current voltage and a power converting unit, which is a supply destination of the alternating-current voltage;
a second switch configured to perform opening and closing of a circuit between the power converting unit and a motor that generates power for an electric vehicle;
a control unit configured to control the power converting unit, the first switch, and the second switch; and
a connecting unit for connecting a power storage device in the own device and an external power storage in parallel, wherein
in at least one of the electric vehicle propulsion control devices, the power converting unit executes a converter operation for converting an input voltage into a direct-current voltage for charging the power storage device and, in at least one of the remaining electric vehicle propulsion control devices, the power converting unit executes an inverter operation for converting the direct-current voltage generated by the converter operation in the other power converting unit into a three-phase alternating-current voltage for driving the motor.