Hydrogen fuel cell hybrid locomotives and methods of operating the same
US8381658B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2012 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Feb 17, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method of operating a locomotive including a set of electrical traction motors, a fuel cell power module for generating electrical current for the traction motors, an air system for providing an air mass to the fuel cell power module, and a cooling system for cooling the fuel cell power module. When an amount of power is requested from the power module, a required current and a stoic set point for the power module are determined. From the required current, the stoic set point, and numerical factors characterizing the power module, an air mass flow set point is determined for producing the requested amount of power. A compressor set point including speed and torque set points of a compressor motor are determined for the air system to produce the air mass flow corresponding to the requested amount of power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.