Hybrid electrically powered transportation system utilizing renewable energy stored in supercapacitors

Patent metadata

Field	Value
Publication number	US-9771001-B2
Application number	US-201414510782-A
Country	US
Kind code	B2
Filing date	Oct 9, 2014
Priority date	Oct 9, 2014
Publication date	Sep 26, 2017
Grant date	Sep 26, 2017

Abstract

An electrical grid management system is disclosed, and includes a plurality of segmented pathways that each include a corresponding renewable energy source and a vehicle propelled along the plurality of segmented pathways. The electrical grid management system includes a system control module including control logic determining a baseline operational plan. The baseline operation plan is based on scheduling and operational requirements of the vehicle. The electrical grid management system also includes a corresponding supercapacitor provided for at least one of the plurality of segmented pathways. The supercapacitor stores energy generated by the corresponding renewable energy source for later use to propel the vehicle along a corresponding segmented pathway. The electrical grid management system includes a plurality of section control modules in communication with the system control module, the corresponding supercapacitor, and the main grid.

First claim

What is claimed is:

1. An electrical grid management system connected to a main grid, the electrical grid management system including a plurality of segmented pathways that each include a corresponding renewable energy source, the electrical grid management system comprising:
a system control module including control logic determining a baseline operational plan, wherein the baseline operation plan is based on scheduling and operational requirements of a vehicle propelled along the plurality of segmented pathways;
a corresponding supercapacitor provided for at least one of the plurality of segmented pathways, the corresponding supercapacitor storing energy generated by one of the corresponding renewable energy source for later use to propel the vehicle along a corresponding segmented pathway; and
a plurality of section control modules in communication with the system control module, one of the corresponding supercapacitors, and the main grid, the plurality of section control modules each including control logic for drawing power from either the main grid or the corresponding supercapacitor to propel the vehicle along the segmented pathways based on the baseline operation plan.

2. The electrical grid management system of claim 1 , comprising a corresponding high voltage AC section power integrator module in communication with one of the plurality of section control modules.

3. The electrical grid management system of claim 2 , wherein the plurality of section master control modules each include control logic for instructing the corresponding high voltage AC section power integrator module to draw power from the main grid if the corresponding supercapacitor is below a minimum power level.

4. The electrical grid management system of claim 2 , wherein the plurality of section master control modules each include control logic for instructing the corresponding high voltage AC section power integrator module to draw power from the main grid if a cost of grid power as the vehicle arrives at a corresponding segmented pathway is less than a cost of renewable energy.

5. The electrical grid management system of claim 1 , wherein the baseline operational plan includes an expected time of arrival of the vehicle to a specific segmented pathway and a probable load impact of the vehicle.

6. The electrical grid management system of claim 1 , wherein the corresponding supercapacitors each include a supercapacitor main module and an emergency back-up power (EBUP) supercapacitor module.

7. The electrical grid management system of claim 6 , wherein the supercapacitor main module stores DC power generated by one of the corresponding renewable energy sources.

8. The electrical grid management system of claim 6 , wherein the EPUB supercapacitor module stores either converted high voltage AC obtained from the main grid or DC power generated by one of the corresponding renewable energy sources.

9. The electrical grid management system of claim 6 , wherein the EBUP supercapacitor module stores a sufficient amount of converted high voltage AC obtained from the main grid in order to allow for the vehicle to reach an adjacent segmented pathway or a safe pull-off point area during creep mode.

10. The electrical grid management system of claim 6 , comprising an EPUB storage availability module for monitoring a charge level of the EPUB supercapacitor module, wherein the EPUB storage availability module draws high voltage AC current from the main grid for charging the EPUB supercapacitor module if the charge level falls below a specified amount.

11. The electrical grid management system of claim 1 , wherein the corresponding supercapacitors are graphene supercapacitors.

12. The electrical grid management system of claim 1 , wherein the plurality of segmented pathways comprise of one of: railway tracks, roads, and canals.

13. The electrical grid management system of claim 1 , wherein the electrical grid management system is selected from the group consisting of: a high-speed electric train, a low-speed electric train, a people mover, a smart highway system, and a canal transportation system.

14. The electrical grid management system of claim 1 , wherein the corresponding renewable energy sources are selected from the group consisting of: wind power systems, solar power systems, geothermal systems, hydrostatic power systems, and hydrokinetic power systems.

Assignees

• Boeing Co

Inventors

• Purpura William Joseph

Classifications

• Y02T90/16

  Information or communication technologies improving the operation of electric vehicles · CPC title

• B60M3/00 Primary

  Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power (controlling rail vehicles by varying voltage of power fed to vehicle B60L; power distribution in general H02J) · CPC title

• B60L2200/26

  Rail vehicles · CPC title