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Hybrid energy power management system and method

An energy management system and energy management technology, applied in the field of hybrid energy and power management systems and methods, can solve the problems that dynamic braking energy cannot be recollected, braking energy cannot be recollected, etc.

Active Publication Date: 2010-03-31
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Other prior art systems do not reharvest dynamic braking energy at all, but instead selectively engage a dedicated generator that operates when the associated vehicle is traveling downhill
One of the reasons such a system is not satisfactory is because it cannot recapture existing braking energy

Method used

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  • Hybrid energy power management system and method

Examples

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Embodiment Construction

[0040] figure 2 is a block diagram of one embodiment of a hybrid energy locomotive system 200 . In this embodiment, the hybrid energy locomotive system preferably includes a tender vehicle 202 for harvesting and recovering at least a portion of the dynamic braking electrical energy generated when the locomotive traction motors are operating in the dynamic braking mode. Energy supplying vehicles 202 are configured to be coupled to locomotives in a consist configuration and include an energy harvesting and storage system 204 (sometimes referred to as an energy storage medium or energy storage). It should be understood that typically two or more locomotives are used in a consist configuration, figure 2 A single locomotive is shown for simplicity.

[0041] In one embodiment, the harvesting and storage system 204 is capable of selectively receiving electrical energy generated during the dynamic braking mode of operation and storing it for subsequent recovery and use. In alternat...

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Abstract

An energy management system is provided for use with a hybrid energy off-highway vehicle traveling on a predetermined course. The energy management system includes an energy management processor to determine a power storage parameter, a power transfer parameter, and an engine transfer parameter for each location along the predetermined course to minimize the total fuel consumed of all fuel types during the predetermined course subject to at least one fuel parameter constraint. An energy storage system selectively stores electrical energy available from the traction bus as a function of the power storage parameter and selectively supplies secondary electric power from the stored electrical energy to the traction bus as a function of the power transfer parameter. The engine selectively supplies primary electric power to the traction bus at each location along said predetermined course through selectively using at least one fuel type in response to said engine transfer parameter.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of U.S. Application No. 10 / 378,431, filed March 3, 2003, and claims U.S. Application No. 10 / 033,172, filed December 26, 2001 (currently U.S. Patent No. 6,615,118, issued on September 2, 2003) and priority of U.S. Provisional Application No. 60 / 278,975, filed March 27, 2001. technical field [0003] The present application relates generally to energy management systems and methods for use with large off-highway vehicles, such as locomotives. In particular, the present invention relates to a system and method for managing the storage and delivery of electrical energy generated by locomotives and other large off-highway vehicles powered by traction motors, such as dynamic braking energy or oversized prime movers / traction locomotives. mover) power. Background technique [0004] FIG. 1A is a block diagram of an exemplary prior art locomotive 100 . In particular, Figure 1A genera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W20/00B60K6/46B60W10/18
CPCY02T10/7283B60W2520/10Y02T10/7022B60W2550/141B60W2550/12Y02T90/14B60W2550/22B60L2240/64Y02T10/36B60L2240/662Y02T10/7291F02D19/0665Y02T10/7005Y02T90/16B60W40/02Y02T10/7072Y02T90/124B60L2240/642F02D19/0697B60L15/2045Y02T10/52B60L2200/26F02D2200/701B60W2550/142B60W2550/13B60K2015/03217B60K2015/03118F02D2200/0611B60L11/1822B60W10/18B60K1/04Y02T90/162B60W2550/402B60K2001/0455F02D19/0634B60K2015/03157F02D41/0025Y02T10/7033B60W2550/143B60W2560/02B60L2240/62B60L11/1801Y02T10/72Y02T10/84B60L50/53B60L53/80B60W2555/40B60W2552/05B60W2530/209B60W2552/20B60W2555/60B60W2552/15B60W2555/20B60W2556/50Y02T10/30Y02T10/40Y02T10/64Y02T10/70B60W2552/30Y02T90/12
Inventor 阿吉思·K·库玛
Owner GENERAL ELECTRIC CO
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