B - Operations – Transporting – 60 – L
Patent
B - Operations, Transporting
60
L
B60L 7/00 (2006.01) B60L 11/18 (2006.01) B61C 7/04 (2006.01) H01M 8/00 (2006.01) B60K 6/04 (2006.01)
Patent
CA 2371297
An electrical energy storage and regeneration system uses the electricity generated by the dynamic brakes of a diesel-electric locomotive to convert water into hydrogen gas and oxygen gas by hydro-electrolysis. The gases are compressed, cooled and stored in tanks for subsequent use to supply fuel cells. Electricity generated by an electro-chemical reaction in the fuel cells is used to power the locomotive traction motors when needed. Alternatively, the regenerated electricity can be used to supplement a local or regional power supply, particularly in times of shortage. The water by-product from the fuel cell electricity generation is collected and stored for use in hydro- electrolysis during a subsequent power storage/regeneration cycle. In a preferred embodiment, the system, defining a hydro power cell, includes a water storage tank, a hydro-electrolysis unit, low pressure compressors, fuel cells, oxygen concentrators, DC/AC inverters, and electrical controllers all contained on a designated railroad car connected directly behind a multi-unit locomotive consist. The hydrogen and oxygen gas storage tanks, as well as high pressure compressors, may be carried on the same train car or a separate car.
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