121results about "Power plants using fuel cells" patented technology

The invention discloses an extended-range hydrogen fuel power ship propulsion system, which relates to the technical field of ship propulsion and comprises an acquisition module, a quantum annealing optimization module and a quantum chip, the acquisition module is used for eliminating noise interference of acquired hydrogen energy ship power parameters through a Kalman filtering algorithm and generating a standardized data packet, and the quantum chip is used for receiving the standardized data packet and outputting the standardized data packet. The method comprises the following steps: mapping hydrogen energy ship power parameters into an Isin model, generating a control instruction according to a hydrogen fuel consumption rate, an equipment life attenuation coefficient and a navigation task priority weight, inputting the control instruction into a simulation model of a proton exchange membrane by a proton membrane regulation and control module, and dynamically regulating a hydrogen production rate and fuel cell power, according to the system, the efficient hydrogen energy closed-loop monitoring unit and the three-level safety protocol are adopted, the response speed and precision are improved, the stability and safety are remarkably enhanced, it is ensured that a ship can reliably operate under the complex working condition, and potential safety risks are reduced.

The invention particularly relates to an underwater vehicle multi-energy hybrid energy storage system and a coordinated energy management strategy. The system comprises a lithium ion battery, a super capacitor and a fuel cell applying a proton exchange membrane which are respectively connected to a direct current bus. The method for coordinating the energy management strategy comprises the following steps: acquiring a current motion parameter and a current energy parameter of an underwater vehicle; inputting the current motion parameter, the current energy parameter and the expected navigational speed into a load prediction model based on a BP neural network, and estimating the expected total power at the next moment; and determining a corresponding action strategy according to the current operation mode of the underwater vehicle, and performing power distribution on the expected total power based on the action strategy. According to the scheme, the hybrid energy system can perform smooth working mode switching and optimal power distribution under different working conditions.

The invention discloses a hydrogen fuel cell ship power switching system, which relates to the technical field of hydrogen fuel cell ship hybrid power, and comprises a topological optimization module for optimizing a series-parallel topological structure of a fuel cell stack through a quantum annealing algorithm based on a multi-modal data set, the reconfigurable bipolar plate magnetic control switch is triggered to execute millisecond topology switching, and a topology state coding signal is synchronously generated; and the compensation module is used for inputting the topological state coding signal into the LSTM model, predicting a fault risk value, correcting the time step length of a leakage diffusion equation according to the real-time switching frequency of a magnetic control switch, and calculating a ship inclination angle correction term according to the corrected time step length. According to the invention, through an accurate fault prediction and compensation mechanism, operation interruption and maintenance cost caused by unpredictable faults are greatly reduced.

The invention aims to provide a solid hydrogen storage fuel cell underwater vehicle hybrid power system coupled with a water management system, and belongs to the field of hybrid power. According to the invention, the hydrogen fuel cell is combined with a common cell, sufficient, stable and efficient power supply is provided for the underwater vehicle, the limitation of a traditional single energy system in the aspects of cruising ability, power output, energy density and the like is solved, and the comprehensive performance of the underwater vehicle is remarkably improved. A water supply and return integrated circulating water pump is adopted, and efficient and rapid circulation of water inside and outside the underwater vehicle is achieved by integrating water supply and drainage functions. The solid hydrogen storage material is adopted to release hydrogen, one part of hydrogen is conveyed to the fuel cell and participates in reaction to provide power output needed by the underwater vehicle, the other part of hydrogen is recycled and assists the hydrogen storage material in injection, and the underwater closed circulation mode of the underwater vehicle is achieved. And efficient operation and effective utilization of energy are ensured.

The invention discloses a hydrogen fuel cell ship electric propulsion inertia self-adaptive optimization control method, which relates to the technical field of hydrogen fuel cell ship electric propulsion control, and comprises the following steps of: acquiring ship operation state data and ship internal power network fluctuation data in real time, preprocessing, extracting features, calculating a virtual inertia coefficient and a virtual damping coefficient, and calculating an inertia coefficient and a damping coefficient; generating a virtual torque instruction; obtaining a total power demand of the ship by using a torque rotating speed calculation method, and dividing the total power demand into high-frequency, intermediate-frequency and low-frequency ship power distribution instructions; through a virtual synchronous machine model, the actual power of the ship is output, the voltage of a direct-current bus and the power of a hydrogen fuel cell are monitored in real time, a dynamic compensation power fluctuation method is utilized, the operation state of the ship is regulated and controlled, and a voltage stability index is obtained; the ship propulsion inertia is adaptively optimized through a power regulation algorithm, so that the ship can better adapt to different working conditions, and the stability and safety of the ship are enhanced.

The invention discloses a marine LNG solid oxide fuel cell energy gradient utilization zero-carbon emission system and an operation method thereof. According to the technical scheme, the energy utilization rate can be effectively increased, gradient utilization of cold-heat-electricity composite energy can be achieved, and the technical advantages of pure electric power, low noise, no pollution, zero carbon emission and high energy efficiency of a ship system are reflected. The marine fuel cell zero carbon emission system comprises a solid oxide fuel cell-HCCI internal combustion engine module, an exhaust gas carbon capture module, an ORC cycle module, an air supply module, an external reforming module and an energy distribution module. The waste gas carbon capture module is used for capturing waste gas generated by the system and is used for being linked with the ORC circulation module. And the ORC cycle module is linked with the solid oxide fuel cell-HCCI internal combustion engine module. The air supply module is used for exchanging heat with the HCCI internal combustion engine through external air. The external reforming module is used for providing heat and water vapor to the reformer.

The invention discloses a ship power regulation and control method and system based on a hydrogen fuel cell, and relates to the technical field of ship power control, and the method comprises the steps: carrying out the dynamic adjustment of power output based on an adaptive power distribution decision, calculating the output power needed by the hydrogen fuel cell through a nonlinear prediction control method, and obtaining the theoretical hydrogen supply flow; based on the theoretical hydrogen supply flow, the opening degree of a micro proportional valve is adjusted, the dynamic response characteristic of the hydrogen fuel cell is optimized, and the actual power of the hydrogen fuel cell is obtained; and comparing the actual power of the hydrogen fuel cell with the instantaneous power demand, and dynamically adjusting the hydrogen supply flow and optimizing the power distribution strategy in combination with a reinforcement learning algorithm and a nonlinear prediction control method to obtain an optimized power distribution strategy. According to the invention, the output power of the hydrogen fuel cell is calculated by using a nonlinear predictive control method, and the opening degree of the micro proportional valve is adjusted in real time, so that the extra load of the hydrogen fuel cell caused by power fluctuation is reduced, and the stability and the energy efficiency are improved.

The invention provides a hydrogen fuel cell power ship. The hydrogen fuel cell power ship comprises a liquid cargo storage unit, a cracking unit, a separation unit and a fuel cell unit. The liquid cargo is adopted as the basis of the fuel cell, the ship is powered through the fuel cell, and the endurance problem of the hydrogen fuel cell ship is solved. The liquid cargo on the ship is used as a raw material for power generation, raw material supply of the fuel cell can be ensured, and meanwhile zero carbon emission is achieved. Power is supplied to the ship through the fuel cell, equipment such as a main engine and an auxiliary engine of a fuel ship is replaced, the weight of the fuel cell equipment is lower than that of original fuel power system equipment such as the main engine and the auxiliary engine, the weight of an empty ship is reduced, the cabin capacity is increased, and the stability performance of the ship is optimized.

The invention discloses a ship alcohol hydrogen electric drive power supply system. By integrating methanol reforming power generation, intelligent energy storage and digital management technologies, carbon emission is reduced by more than 30% while fuel cost is remarkably reduced by 45%-55%, millisecond-level response, 95% of system energy efficiency and full-process intelligent monitoring are achieved, the problems of high cost, high pollution and low efficiency of traditional diesel power generation are comprehensively solved, and the system is suitable for large-scale popularization and application. And meanwhile, stable operation in a low-temperature environment and off-grid power supply capability are realized, and remarkable breakthroughs are made in economic benefits, environmental protection performance and intelligent level.

Described herein is a safety and support system for a fuel cell module comprising: a pressure-tight safety casing for enclosing the fuel cell module and for containing a fluid; a fuel supply system, arranged to transport fuel to the fuel cell module from an external source; an air supply system, arranged to transport air to the fuel cell module from an external source, an exhaust system, arranged to transport exhaust fluids from the fuel cell module out of the safety casing, and a casing atmosphere system comprising: an inlet into the safety casing having an inlet valve, an outlet from the safety casing having an outlet valve, means for evacuating the fluid from the safety casing through the outlet, and a pressure sensor, arranged for measuring a pressure of the fluid inside the safety casing, wherein the casing atmosphere system is arranged to maintain a below ambient pressure inside the safety casing. Also described herein is a method for preventing an explosive atmosphere inside a safety casing and a fuel cell system for marine applications.

The risk of breakage of a housing when an explosion occurs in a module installation compartment is reduced, without excessively increasing the pressure capacity of the housing. A fuel cell system includes: a housing having a module installation compartment in which a fuel cell module is installed; and a double wall portion with an inner wall and an outer wall. The housing has the outer wall. The module installation compartment has the inner wall. The inner wall has a pressure release part. When a pressure in the module installation compartment reaches a predetermined pressure lower than a pressure capacity of the outer wall, the pressure release part releases the pressure.

To avoid a situation where a fuel cell ship is stopped on the sea during navigation even when a failure of fuel cells occurs or the fuel cell reaches a device life during navigation of the fuel cell ship.SOLUTION: A fuel cell ship includes: a propulsion device for generating a propulsion force in a hull by power; a power supply part for supplying the power to the propulsion device; and a degradation rate control part for adjusting a degradation rate. The power supply part has a plurality of fuel cells for generating power by an electrochemical reaction of a fuel, and at least one storage cell.SELECTED DRAWING: Figure 2

The invention relates to the field of hydrogen fuel cells, and discloses a hydrogen energy unmanned ship which comprises a ship body, a hydrogen discharging electromagnetic valve is fixedly connected to the interior of the ship body, a solid hydrogen storage bottle is fixedly connected to the interior of the ship body, a hydrogen inlet electromagnetic valve is arranged on one side of the outer wall of the solid hydrogen storage bottle, and an auxiliary lithium battery is fixedly connected to the interior of the ship body. A fuel cell system is arranged on one side of the outer wall of the auxiliary lithium battery, a one-way conduction diode is fixedly connected to the interior of the ship body, a DC-DC boosting system is arranged on one side of the outer wall of the one-way conduction diode, and the lower surface of the DC-DC boosting system is fixedly connected to the upper surface of the ship body. Through cooperative work of the fuel cell system and the lithium battery energy storage system, the propelling system can obtain continuous and stable power supply, and therefore the operation efficiency of the unmanned ship and the reliability of a power system are improved; the unmanned ship can carry out accurate autonomous navigation and remote control, and the operation flexibility and safety are improved.

A fuel cell ship includes a cooling system that cools a fuel cell. The cooling system includes a cooling medium tank that accommodates a cooling medium, a cooling medium circulation pipe that circulates the cooling medium between the fuel cell and the cooling medium tank, a cooling tank internal gas detector installed in the cooling medium tank, a cooling tank internal gas discharge pipe connected to the cooling medium tank, and a cooling tank internal gas discharge valve installed in the cooling tank internal gas discharge pipe. The fuel cell ship includes a control unit that controls opening and closing of the cooling tank internal gas discharge valve. The control unit opens the cooling tank internal gas discharge valve when the cooling tank internal gas detector detects that the concentration of the fuel gas in the cooling medium tank is equal to or greater than a specified value determined in advance.

A vessel including a hull, an upper deck, an accommodation structure extending above the upper deck, a propulsion system powered by ammonia as a fuel, and a tank for storing ammonia for supplying the propulsion system, wherein the tank is located aft of the accommodation structure.

The invention relates to a hybrid power ship and an electric energy distribution control method, and the hybrid power ship is provided with a power battery pack which is electrically connected with a DC bus, and is also provided with a wind power generation group and a photovoltaic power generation group, and is connected with a third electric energy distribution module and a fourth electric energy distribution module through an AC-DC conversion device and a first boost DC-DC conversion device. According to the technical means, the mode that a traditional hybrid power ship collects and electrolyzes wind energy or light energy to generate hydrogen and stores energy in the form of hydrogen and needs multiple times of energy conversion is changed, and electric energy generated by a wind power generation set and a photovoltaic power generation set is directly converted into electric energy through conversion equipment; the electric energy is transmitted to the power battery pack through the electric energy distribution module to be stored or directly supplied to the direct-current bus for use, the energy conversion link is reduced, the energy utilization rate is remarkably improved, and the technical problems that the energy utilization rate is low and the actual requirement of ships for efficient energy utilization cannot be met in a traditional scheme are effectively solved.

The application provides a control method and device for a hydrogen energy ship hybrid power system, and relates to the technical field of ship hybrid power systems.The method comprises the following steps: according to the control state of the whole ship power and the states of a battery management subsystem BMS, a hydrogen supply management subsystem HMS and a fuel cell control subsystem FCS, the battery management subsystem BMS and the fuel cell control subsystem FCS are sequentially controlled to enter a running state.The control timing of the battery management subsystem BMS and the fuel cell control subsystem FCS can be corresponded, the situation that the fuel cell control subsystem FCS responds too early during the whole ship power-on process can be avoided to a certain extent, the safety of the hydrogen energy ship hybrid power system is improved, and the service life is prolonged.

Provided is a hybrid propulsion vessel that may be environmentally friendly and propelled with high efficiency by utilizing both electric power and heat, two energy forms generated in a fuel cell simultaneously, and by obtaining propulsive force as a propeller is rotated by any one or both of a steam turbine power source driven by heat as a primary power source and an electric motor power source driven by electric power as a secondary power source.

The invention relates to a fuel conducting device (3) for conducting a fuel, comprising − a line (7) which has a core line (7.1) and an encasing area (7.2) which surrounds the core line (7.1), wherein the core line (7.1) is designed to conduct the fuel, and the encasing area (7.2) is designed to be filled with a liquid encasing area medium (11), and − a conveyor device (9) which is fluidically connected to the encasing area (7.2), said conveyor device (9) being designed to convey the liquid encasing area medium (11) into the encasing area (7.2). The invention additionally relates to a fuel cell assembly (2) comprising at least one fuel cell (5) and such a fuel conducting device (3) and to a watercraft (1) comprising such a fuel conducting device (3) and / or such a fuel cell assembly (2).

By reducing the number of hazardous areas where electrical equipment cannot be placed, the flexibility in placing electrical equipment is increased. [Solution] A fuel cell ship is equipped with a fuel cell that generates electricity through an electrochemical reaction of fuel, and supplies power from the fuel cell to the ship's equipment. The fuel cell ship is equipped with a fuel tank for storing fuel. A fuel filling port for filling the fuel tank is provided on the outer wall of the cabin.

The invention belongs to the technical field of sightseeing boats, and particularly relates to a high-safety clean energy sightseeing boat which comprises a boat body, a main deck and a watertight transverse bulkhead, and the main deck and the watertight transverse bulkhead are arranged on the boat body. A plurality of seats are arranged on the ship body, a driving device is arranged at the tail of the ship body and connected with clean energy located at the tail of the ship body, and a safety protection device is arranged on the side, facing the seats, of the clean energy. The safety protection device comprises at least two anchor type fixing points fixed to the ship body and an arresting cable, and multiple layers of flow guide type protection structures are installed on the anchor type fixing points. The clean energy sightseeing boat with the high safety has the effects that a protection device is arranged, and casualties of people on the boat are easily caused by explosion of natural gas.

A battery system for a marine vessel is disclosed, the marine vessel including a hull, the battery system including a flow battery including an ion exchange element, and a first ballast tank disposed within the hull and defining a first ballast tank chamber for storing an electrolyte for the flow battery.

Described herein is a safety support system for a fuel cell module, comprising a pressure-resistant safety casing that surrounds the fuel cell module and houses a fluid, a fuel supply system arranged to transport fuel from an external source to the fuel cell module, an air supply system arranged to transport air from an external source to the fuel cell module, an exhaust system arranged to transport an exhaust fluid from the fuel cell module outside the safety casing, and a casing atmosphere system comprising an inlet into the safety casing having an inlet valve, an outlet from the safety casing having an outlet valve, means for exhausting fluid from the safety casing through the outlet, and a pressure sensor arranged to measure the pressure of the fluid inside the safety casing, wherein the casing atmosphere system is arranged to maintain the inside of the safety casing below ambient pressure. Also described herein are a method for preventing an explosive atmosphere inside the safety casing and a fuel cell system for marine applications.

Provided is transport equipment that uses, as fuel, hydrogen produced by reforming ammonia. Transport equipment (100) includes: an ammonia tank (1) configured to store ammonia; and a hydrogen production device (A) configured to produce hydrogen and nitrogen by reforming the ammonia, in which the hydrogen is used as fuel.

A system for controlling a vessel, the system comprising a plurality of devices, the plurality of devices comprising a plurality of solid oxide fuel cells (SOFCs); the system also includes at least one processor that calculates a device score value for the device; the system further includes a control unit connected to the device, and the control unit is configured to calculate an efficiency score value based on the device score value, the efficiency score value defining an efficiency of the system; the system is further configured to: calculate a capacity of the system based on the device and state; calculating a capacity margin index representing the capacity of the system equipment according to preset scores corresponding to various operation modes, and calculating the efficiency value and the capacity value; the status from the fuel cell includes a health characterization index.

A fuel cell ship includes a fuel cell compartment in which a fuel cell is installed, a tank compartment in which a fuel tank is installed, a fuel supply pipe through which fuel is supplied from the fuel tank to the fuel cell, and a control unit. The fuel supply pipe includes at least two shutoff valves. Fuel gas detectors that detect a fuel gas being in a gaseous state of the fuel are each installed in the compartments. If at least one of the fuel gas detectors detects that a concentration of the fuel gas is equal to or greater than a predetermined standard value, the control unit controls to close a shutoff valve in a compartment out of the tank compartment and the fuel cell compartment, where the fuel gas detector having detected the concentration equal to or greater than the standard value is installed.

An upright tank-based propulsion assistance rotor sail system is proposed. The system may include an upright tank fixed to a hull of a ship, and a rotor sail in a form of a cylindrical shape having a length and diameter greater than or equal to the upright tank, and installed to surround part or all of an outer circumferential surface of the upright tank. The rotor sail may be rotatably installed while surrounding the upright tank concentrically with the upright tank, and may be movable along a height direction of the outer circumferential surface of the upright tank to maintain a predetermined height. In addition, a vessel equipped with the upright tank-based propulsion assistance rotor sail system is proposed. The fuel tank may be installed to stand upright on the vessel so that the rotor sail is installed to be movable in the vertical direction.

The invention relates to the technical field of container ships, in particular to a hydrogen fuel emission reduction type container ship which comprises a ship body and a deck installed in the upper portion of the ship body and used for containing a container, a propeller is installed on the bottom face of the left side of the ship body, and an air inlet pipe connected with an air blower in the ship body is installed in the front side face of the ship body in a penetrating mode. A lithium battery pack, a hydrogen fuel cell body, a conveying control mechanism, a hydrogen storage tank assembly and a shielding and sealing assembly are sequentially mounted above the bottom plate from left to right, a treatment cavity is formed in the corresponding bottom plate below the hydrogen storage tank assembly, and a second air supply pipe connected with the interior of the rear side of the treatment cavity in a penetrating manner is connected with the hydrogen fuel cell body. According to the hydrogen fuel emission reduction type container ship, the oxygen concentration and the reaction efficiency of the hydrogen fuel cell body can be improved, so that the electrochemical efficiency of the hydrogen fuel cell body is improved, the thermal load of the hydrogen fuel cell body is reduced, and the later propulsion operation on the ship is prevented from being influenced.

To load a fuel battery while suppressing expansion of hazardous area in a cargo transportation vessel where cargo hold is hazardous area.SOLUTION: A cargo transportation vessel includes: a hull; a hydrogen fuel tank for storing hydrogen fuel; a fuel battery power generation unit having a sealable casing and a fuel battery arranged inside it; and an electric power conversion device for supplying electric power generated by the fuel battery power generation unit to at least one of an electric motor for propulsion and an inboard electric power load. When an area from a portion positioned above the cargo hold in an upper deck of the hull to below a prescribed first height is stipulated as a hazardous place on a deck derived from the cargo, the hydrogen fuel tank is arranged in between front and back sides, i.e., from a front end to rear end of the cargo hold in the hull and the fuel cell electric power generation unit is arranged in between front and back sides, i.e., from the front end to rear end of the cargo hold and above the upper deck, with a section arranged with the fuel battery arranged evading the hazardous place on the deck.SELECTED DRAWING: Figure 1

The invention relates to a hydrogen energy ship fuel cell system fault detection method. The method comprises the steps that a data acquisition module acquires fuel cell system operation data through a multi-sensor detection technology; the data analysis and processing module carries out data processing and analysis, and alarms the fault level, position and reason of the fuel cell system in real time through the multi-level alarm module; an intelligent navigation processing method is generated through the intelligent navigation processing module, an alarm interface is synchronized, and operation and maintenance personnel are guided to process according to a navigation process on site; a fault of the fuel cell system is rapidly handled through man-machine combination, and fault reset is carried out; the method solves the problems of dependence on manual intervention, relatively high response delay and relatively large risk in a complex channel in the prior art, and has the characteristics of rapid navigation disposal, improvement of fault disposal efficiency and reduction of safety risk.