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A power distribution method and device for a fuel cell system cluster

A technology of a fuel cell system and a distribution method, which is applied to fuel cells, circuits, electrical components, etc., can solve problems such as low efficiency and achieve the effect of optimizing the efficiency of fuel cell system clusters

Active Publication Date: 2021-11-30
广东鸿力氢动科技有限公司
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Problems solved by technology

Although this power allocation strategy can broaden the power output range of the fuel cell system cluster, such as figure 1 As shown, but the overall efficiency of the fuel cell system cluster is higher than that of the fuel cell system cluster under the average distribution strategy only under low power operation, and the efficiency is lower under higher power

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  • A power distribution method and device for a fuel cell system cluster
  • A power distribution method and device for a fuel cell system cluster
  • A power distribution method and device for a fuel cell system cluster

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Embodiment Construction

[0045] The technical solution in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] It should be noted that the numbering of the steps in the text is only for the convenience of explanation of the specific embodiments, and does not serve as a function of limiting the execution order of the steps. The method provided in this embodiment may be executed by a relevant server, and the description below takes the server as an execution subject as an example.

[0047] see Figure 2-9 .

[0048] Such as Figure 2-3 As shown, the first embodiment provides a power distributio...

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Abstract

The invention discloses a power distribution method and device for a fuel cell system cluster. The method includes: S1. When the fuel cell system cluster is started, control the reference fuel cell system to start; wherein, the reference fuel cell system is selected in advance from all fuel cell systems in the fuel cell system cluster; S2. When the output power of the battery system is greater than the first preset power, the fuel cell system with the highest output efficiency in the fuel cell system cluster is preferentially controlled to start, so as to evenly distribute the total output power of the fuel cell system cluster among all the fuel cell systems that are started ; S3. Repeat step S2 until all fuel cell systems in the fuel cell system cluster are started, and the total output power of the fuel cell system cluster is evenly distributed among all fuel cell systems. The invention can evenly distribute power among the sets of fuel cell systems started step by step, so as to realize the optimization of cluster efficiency of the fuel cell systems.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a power distribution method and device for a fuel cell system cluster. Background technique [0002] In recent years, fuel cells, as an efficient and clean power generation technology, have been widely used in vehicle and ship power systems. For heavy-duty vehicles, rail trains, and large and medium-sized ship power systems, it is often difficult for a single fuel cell system to meet the required power, and a fuel cell system cluster composed of multiple fuel cell systems in parallel is usually used. For example, Toyota's fuel cell bus is powered by two sets of MIRAI fuel cell passenger car engines. [0003] In a fuel cell system cluster, since the working conditions of each fuel cell system are not exactly the same, such as different coolant temperatures, different working conditions of air compressors, etc., the working efficiency of each fuel cell system is also not comple...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04302H01M8/04858H01M8/249
CPCH01M8/0494H01M8/249H01M8/04302Y02E60/50
Inventor 刘志祥赵钢燕希强瞿丽娟贾佳刘怒海张哲军陈晓敏
Owner 广东鸿力氢动科技有限公司
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