Power Generation and Distribution System Configured to Provide Power to a Motor

• US 20110012422A1
• Filed: 07/14/2009
• Published: 01/20/2011
• Est. Priority Date: 07/14/2009
• Status: Active Grant

• Current Assignee: Wabtec Corporation (Westinghouse Air Brake Technologies Corporation)
• Original Assignee: Wabtec Corporation (Westinghouse Air Brake Technologies Corporation)
• Inventors: Neher, Charles E.
• Granted Patent: US 8,102,077 B2
• Time in Patent Office: Days
• US Class Current: 307/9.1
• CPC Class Codes: B60K 17/356 having fluid or electric motor, for driving one or more wheels disposition of motor in, or adjacent to, traction wheel B60K7/00
• CPC Class Codes: B60K 25/00 Auxiliary drives B60K16/00 takes precedence; arrangements of tyre-inflating pumps mounted on vehicles B60C23/10; driving tyre-inflating pumps B60C; driving engine auxiliaries F02B
• CPC Class Codes: B60K 6/46 Series type
• CPC Class Codes: B60L 1/003 to auxiliary motors, e.g. for pumps, compressors
• CPC Class Codes: B60L 2200/26 Rail vehicles
• CPC Class Codes: B60L 2240/423 Torque
• CPC Class Codes: B60L 50/12 using AC generators and DC motors
• CPC Class Codes: B60W 10/06 including control of combustion engines
• CPC Class Codes: B60W 10/08 including control of electric propulsion units, e.g. motors or generators
• CPC Class Codes: B60W 20/00 Control systems specially adapted for hybrid vehicles hybrid vehicle design, B60K6/00; electric vehicles B60L
• CPC Class Codes: B60W 20/10 Controlling the power contribution of each of the prime movers to meet required power demand
• CPC Class Codes: B60W 20/50 Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
• CPC Class Codes: B60W 2710/0644 Engine speed
• CPC Class Codes: B60W 2710/083 Torque
• CPC Class Codes: Y02T 10/62 Hybrid vehicles
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

A power generation and distribution system for providing power to at least one motor configured to drive a wheel of a vehicle includes: at least one power module having at least one generator configured to generate alternating current having a frequency and voltage; a common alternating current bus in electrical communication with the at least one power module through a contactor and configured to receive the alternating current therefrom; at least one power conversion module in electrical communication with the common alternating current bus and configured to convert the alternating current to a specified direct current for delivery to the at least one motor; and a controller configured to communicate with and operatively control at least one of the following: at least one component of the at least one power module; at least one component of the common alternating current bus; at least one component of the at least one power conversion module; or any combination thereof.

Claims

1. A power generation and distribution system for providing power to at least one motor configured to drive a wheel of a vehicle, the system comprising:

at least one power module comprising at least one generator configured to generate alternating current having a frequency and voltage;

a common alternating current bus in electrical communication with the at least one power module through a contactor and configured to receive the alternating current therefrom;

at least one power conversion module in electrical communication with the common alternating current bus and configured to convert the alternating current to a specified direct current for delivery to the at least one motor; and

a controller configured to communicate with and operatively control at least one of the following;

at least one component of the at least one power module;

at least one component of the common alternating current bus;

at least one component of the at least one power conversion module, or any combination thereof.

2. The system of claim 1, wherein the controller is in communication with the at least one power module and configured to control at least one component of the at least one power module to generate alternating current having at least one of a specified frequency and a specified voltage.

3. The system of claim 1, further comprising an auxiliary module in electrical communication with the common alternating current bus and configured to deliver electrical power to at least one auxiliary unit associated with the vehicle.

4. The system of claim 3, wherein the auxiliary unit is at least one of the following:

a lighting unit, a heating unit, an air conditioning unit, a ventilation unit, a drive unit, a radiator, a battery, a blower unit, a compressor unit, a control unit, a vehicle subsystem, a vehicle component, or any combination thereof.

5. The system of claim 3, wherein the auxiliary module further comprises a transformer configured to transform the voltage of the current on the common alternating current bus to another specified voltage prior to delivery to the auxiliary unit.

6. The system of claim 1, wherein the at least one power module comprises at least one engine configured to drive the at least one generator, the speed of the at least one engine controlled through a governor in electrical communication with a generator control unit configured to receive speed feedback data from the at least one engine for use in controlling operation of the governor.

7. The system of claim 1, wherein the at least one power module comprises a voltage regulator in communication with the generator, the voltage of the current generated by the generator controlled through the voltage regulator in communication with a generator control unit configured to receive voltage feedback data from the generator for use in controlling operation of the voltage regulator.

8. The system of claim 1, further comprising a generator protection system configured to monitor and provide monitoring data representing at least one of the current, frequency, and voltage generated by the generator and delivered to the common alternating current bus.

9. The system of claim 8, wherein, based upon the monitoring data, the generator protection system is configured to control at least one component of the at least one power module.

10. The system of claim 1, further comprising a plurality of power modules in communication with the common alternating current bus through a respective contactor.

11. The system of claim 10, wherein each of the plurality of power modules comprises a respective generator control unit configured to:

receive voltage feedback data from the at least one generator in the respective power module;

receive speed feedback data from at least one engine configured to drive the at least one generator in the respective power module;

control the voltage of the current generated by the generator through a voltage regulator in communication with the generator, the control based at least in part upon at least one of the following;

the voltage feedback data;

the voltage of the current on the common alternating current bus;

a specified voltage;

the voltage of the current generated by the generator in another power module;

or any combination thereof; and

control the speed of the at least one engine through a governor in communication with the at least one engine, the control based at least in part upon at least one of the following;

the speed feedback data;

the frequency of the current on the common alternating current bus;

a specified speed;

the speed of at least one engine in another power module;

or any combination thereof.

12. The system of claim 1, wherein the at least one power conversion module is in the form of a silicon-controlled rectifier configured to convert the alternating current to a specified direct current for delivery to the at least one motor, the specified direct current adjustable and based at least partially upon the desired operating conditions of the at least one motor.

13. The system of claim 1, further comprising a plurality of power modules in communication with the common alternating current bus through a respective contactor, wherein the controller is configured to automatically control and share at least a portion of at least one of the power load and the voltage amongst at least two of the plurality of power modules.

14. The system of claim 1, wherein the at least one power module comprises at least one engine configured to drive the at least one generator, and wherein the controller comprises an engine control module configured to at least one of the following:

monitor at least one parameter of the at least one engine;

monitor at least one parameter of the at least one power module;

determine the amount of power available to the vehicle;

or any combination thereof.

15. The system of claim 1, wherein the controller comprises a system load module configured to at least one of the following:

initiate at least one action of at least one component of the at least one power module;

determine the usage time of at least one component of the at least one power module;

determine the status of at least one component of the at least one power module;

monitor at least one parameter of at least one component of the at least one power module;

or any combination thereof.

16. The system of claim 1, wherein the controller comprises a protection control module configured to at least one of the following:

monitor at least one parameter associated with a control device in communication with at least one component of the at least one power module;

monitor at least one parameter of at least one component of the at least one power module;

monitor at least one parameter of at least one component of the at least one power conversion module;

initiate at least one action of at least one component of the at least one power module;

or any combination thereof.

17. The system of claim 1, wherein the controller comprises a power conversion control module configured to at least one of the following:

monitor at least one parameter of at least one component of the power conversion module;

initiate at least one action of at least one component of the at least one power conversion module;

or any combination thereof.

18. The system of claim 1, wherein the controller comprises at least one control module configured to at least one of the following:

monitor at least one parameter of the vehicle;

control at least one action of at least one component of the vehicle;

or any combination thereof.

19. A power generation and distribution system for providing power to at least one motor configured to drive a wheel of a vehicle, the system comprising:

a plurality of power modules, each comprising at least one generator configured to generate alternating current having a frequency and voltage;

at least one power conversion module in electrical communication with the plurality of power modules and configured to convert the alternating current to a specified direct current for delivery to the at least one motor; and

a controller configured to communicate with and operatively control at least one component of each of the plurality of power modules, wherein the controller is further configured to automatically control and share at least a portion of at least one of the power load and the voltage amongst at least two of the plurality of power modules.

20. A power generation and distribution system for providing power to at least one motor configured to drive a wheel of a vehicle, the system comprising:

at least one power module comprising at least one generator configured to generate alternating current having a frequency and voltage;

at least one silicon-controlled rectifier configured to convert the alternating current to a specified direct current for delivery to the at least one motor, the specified direct current adjustable and based at least partially upon the desired operating conditions of the at least one motor; and

a controller configured to communicate with and operatively control at least one component of the at least one silicon-controlled rectifier.