A control method of a marine fuel cell unit and a hybrid electric propulsion system
A fuel cell unit and fuel cell technology, applied in battery/fuel cell control devices, ship propulsion, propulsion components, etc., can solve the problems of high energy consumption, failure to achieve energy saving and emission reduction, etc.
Active Publication Date: 2022-02-22
CSSC POWER INST CO LTD
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Problems solved by technology
This power supply strategy cannot formulate an appropriate energy distribution for the fuel cell according to the actual working conditions of the ship, resulting in high energy consumption and failing to achieve effective energy saving and emission reduction
Method used
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[0059] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0060] An embodiment of the present invention provides a hybrid electric propulsion system, figure 1 is a structural block diagram of a hybrid electric propulsion system provided by an embodiment of the present invention, refer to figure 1 ,include:
[0061] A start switch 110, configured to generate a start signal according to the input start information;
[0062] The uninterruptible power supply unit 120 is connected with the start switch 110, and is used to supply power to the storage battery unit 12, the fue...
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The embodiment of the present invention discloses a control method for a marine fuel cell unit and a hybrid electric propulsion system. The method includes: an energy integrated management module triggers mode control or non-mode control according to a mode selection signal and a speed signal; under the mode control, the ship works The mode includes at least one of berthing mode, inbound and outbound mode, sailing mode or half-speed mode; when the energy integrated management module is not in mode control, it controls the number of fuel cells in the fuel cell unit to start and the fuel according to the state of charge of the battery unit The output power of the battery; when the energy integrated management module is in mode control, it controls the number of fuel cells activated and the output power of the fuel cell according to the ship working mode corresponding to the mode selection signal or the ship working mode corresponding to the speed signal. With the technical solutions provided by the embodiments of the present invention, an appropriate energy distribution strategy is formulated for the fuel cell according to the actual working conditions of the ship, so as to achieve effective energy saving and emission reduction.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of marine power supplies, in particular to a control method of a marine fuel cell unit and a hybrid electric propulsion system. Background technique [0002] As the main means of transportation at sea, ships have put forward higher requirements for the research on the power supply system and power supply strategy of ships. Currently, a hybrid power system is proposed, which includes a plurality of power modules connected in series, each power module includes a fuel cell unit and a lithium ion battery unit, and the fuel cell unit is connected in parallel with the lithium ion battery unit. [0003] Among them, the lithium-ion battery units are charged and discharged through their respective fuel cell units. At the initial stage of discharge, the lithium-ion battery unit is used as the main power source for external output. As the discharge depth of the lithium-ion battery unit increases,...
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IPC IPC(8): B63H21/17B60L58/40
CPCB63H21/17B60L58/40B60L2200/32Y02T10/70Y02T90/40
Inventor 张小玉王希炜刘博桂勇
Owner CSSC POWER INST CO LTD