Self-adaptive inertia matching method for hydrogen storage direct-current electric propulsion system of deep and far sea ship
An electric propulsion and inertia matching technology, applied in the field of ships and marine engineering, can solve the problems of unbalanced energy of ship electric propulsion system, limited capacity of hydrogen storage and power supply system, weakening of low frequency oscillation, etc.
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as figure 1As shown, the hydrogen storage DC electric propulsion system for deep sea ships adopts a single-bus DC power supply structure, including proton exchange membrane fuel cell PEMFC power generation unit 1, energy storage unit 2, ship DC electric propulsion unit 3, constant power load unit 4, resistor A load unit 5 and an inertia adaptation unit 6, the PEMFC power generation unit 1 is composed of a PEMFC battery 11 cascaded with a unidirectional DC power converter 12, and the output side of the unidirectional DC power converter 12 is connected to the DC bus 7; The energy unit 2 is composed of a lithium battery 21 cascaded with a bidirectional DC power converter 22, and the output side of the bidirectional DC power converter 22 is connected to the DC bus 7; the ship DC electric propulsion unit 3 includes a bidirectio...
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