WO2020044601A1 - Système d'alimentation en énergie d'un navire à propulsion électrique par batterie, installation d'alimentation en énergie en mer, et navire à propulsion électrique par batterie - Google Patents

Système d'alimentation en énergie d'un navire à propulsion électrique par batterie, installation d'alimentation en énergie en mer, et navire à propulsion électrique par batterie Download PDF

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Publication number
WO2020044601A1
WO2020044601A1 PCT/JP2019/005685 JP2019005685W WO2020044601A1 WO 2020044601 A1 WO2020044601 A1 WO 2020044601A1 JP 2019005685 W JP2019005685 W JP 2019005685W WO 2020044601 A1 WO2020044601 A1 WO 2020044601A1
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WIPO (PCT)
Prior art keywords
power supply
electric propulsion
battery electric
ship
power
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Application number
PCT/JP2019/005685
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English (en)
Japanese (ja)
Inventor
大野　達也
達也 小野寺
Original Assignee
川崎重工業株式会社
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Application filed by 川崎重工業株式会社 filed Critical 川崎重工業株式会社
Priority to JP2020540026A priority Critical patent/JP7177159B2/ja
Priority to SG11202101557RA priority patent/SG11202101557RA/en
Priority to CN201980051153.XA priority patent/CN112533822B/zh
Publication of WO2020044601A1 publication Critical patent/WO2020044601A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B49/00—Arrangements of nautical instruments or navigational aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J99/00—Subject matter not provided for in other groups of this subclass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Definitions

  • the present invention relates to a battery electric propulsion ship power supply system. Further, the present invention relates to an offshore power supply facility and a battery electric propulsion ship suitably used for the battery electric propulsion ship power supply system.
  • a battery electric propulsion ship is known (for example, see Patent Document 1).
  • a battery electric propulsion ship is a ship that does not generate propulsion power inside the ship but propells using electric power stored in a storage battery.
  • Such a battery electric propulsion ship does not emit combustion gas unlike a mechanically propulsion type ship using an internal combustion engine, and therefore has little effect on the environment.
  • an object of the present invention is to provide a battery electric propulsion ship power supply system that can charge a rechargeable battery of the battery electric propulsion ship without mooring the battery electric propulsion ship to the quay.
  • Another object of the present invention is to provide an offshore power supply facility and a battery electric propulsion ship suitably used for the battery electric propulsion ship power supply system.
  • a battery electric propulsion ship power supply system of the present invention includes at least one battery electric propulsion ship, and at least one offshore power supply facility capable of charging a storage battery of the battery electric propulsion ship. It is characterized by the following.
  • the rechargeable battery of the battery electric propulsion ship can be charged offshore without mooring the battery electric propulsion ship on the quay.
  • the offshore power supply facility may be an offshore power generation vessel that generates electricity using liquefied gas. According to this configuration, the position of the offshore power supply facility can be changed according to the situation.
  • the offshore power generation ship may be supplied with liquefied gas from a liquefied gas supply device on land.
  • a liquefied gas supply device on land is generally equipped with a plurality of large-capacity tanks for storing liquefied gas, so that liquefied gas can be stably supplied to an offshore power generation ship when necessary. Can be.
  • the at least one battery electric propulsion ship includes a plurality of battery electric propulsion ships
  • the battery electric propulsion ship power supply system includes a management device capable of communicating with the plurality of battery electric propulsion ships and the offshore power generation ship
  • the management device based on the operation data received from the plurality of battery electric propulsion ships, determines the optimal standby position of the offshore power generation ship for power supply to the plurality of battery electric propulsion ships, the determined standby position
  • the information may be transmitted to the offshore power generation ship.
  • the offshore power generation ship can be moved to a standby position that is optimal for supplying power to the plurality of battery electric propulsion ships. Thereby, the distance that each battery electric propulsion ship travels for charging can be reduced.
  • the at least one battery electric propulsion vessel includes a plurality of battery electric propulsion vessels
  • the at least one offshore power generation facility includes a plurality of offshore power generation facilities
  • the battery electric propulsion vessel power supply system includes the plurality of battery propulsion systems.
  • a management device capable of communicating with the electric propulsion ship, the management device performs charging timing and charging for each of the plurality of battery electric propulsion ships based on operation data received from the plurality of battery electric propulsion ships.
  • the charging schedule including the specification of the offshore power generation facility to be received may be determined, and the determined charging schedule may be transmitted to the corresponding battery electric propulsion ship. According to this configuration, each battery electric propulsion ship can be charged according to the charging schedule, and each battery electric propulsion ship can efficiently perform an operation.
  • the at least one battery electric propulsion ship includes a plurality of battery electric propulsion ships
  • the battery electric propulsion ship power supply system includes a management device capable of communicating with the plurality of battery electric propulsion ships
  • the management device includes: Based on the operation data received from the plurality of battery electric propulsion vessels, determine a sailing schedule including an operation for each of the plurality of battery electric propulsion boats by performing a ship assignment plan for the plurality of battery electric propulsion vessels. May be transmitted to the corresponding battery electric propulsion ship. According to this configuration, the ship assignment plan can be automated.
  • the management device may be configured to store a standby position of the offshore power generation ship, a charging schedule of each of the plurality of battery electric propulsion ships, and / or a navigation schedule of each of the plurality of battery electric propulsion ships. May be determined based on the operation data of the storage device, the machine learning result for the operation state data of the storage battery, the propeller drive motor, and the propeller. According to this configuration, the charging time of each battery electric propulsion ship is minimized, and / or the operation efficiency of each battery electric propulsion ship is maximized, and / or the storage battery of each battery electric propulsion ship is used. Lifespan can be maximized.
  • the above-mentioned battery electric propulsion ship power supply system may include at least one land power supply facility capable of charging a storage battery of the at least one battery electric propulsion ship. According to this configuration, the battery electric propulsion ship can be charged not only at sea but also on land.
  • the battery electric propulsion ship power supply system includes a management device capable of communicating with the at least one shore power supply device and the offshore power supply device, and the management device acquires power price data at predetermined time intervals in the shore power supply device.
  • the at least one battery electric propulsion vessel is connected to any of the offshore power supply facility and the shore power supply facility based on the operation data and the power price data received from the at least one battery electric propulsion vessel. It may be determined whether to give priority to receiving power. Specifically, when the power price at the land power supply is lower than the power supply price at the offshore power supply, the management device supplies power at the land power supply of the offshore power supply and the land power supply.
  • Generating a power supply command that gives priority to receiving power at the offshore power supply facility of the offshore power supply facility and the land power supply facility, and transmitting the generated power supply command to the at least one battery electric propulsion ship May be.
  • the battery-powered propulsion ship is designed to operate on land when the power price of the onshore power supply facility (commercial system) is lower than the power supply price of the offshore power generation vessel (power price calculated from the unit price of the offshore power generation vessel). If power is supplied from the power supply facility and the power price of the onshore power supply facility is higher than the power supply price of the offshore power generation vessel, power can be supplied from the offshore power generation vessel, so that operation costs can be improved.
  • the offshore power supply facility is an offshore power generation vessel configured to be able to supply surplus power to the onshore power supply facility
  • the management device is configured such that the power price on the onshore power supply facility is higher than the power supply price on the offshore power supply facility.
  • a standby position of the offshore power generation ship optimal for supplying power to the at least one battery electric propulsion ship is determined based on the operation data received from the at least one battery electric propulsion ship, and the determined standby position is determined.
  • the management apparatus sells the surplus power to the onshore power supply facility.
  • An electric power selling command for transmitting electricity may be transmitted to the offshore power generation ship.
  • the offshore power generation vessel moves to an optimal position for supplying power to each battery electric propulsion vessel, and thus each battery power The distance that the propulsion ship travels for charging can be reduced. Further, the offshore power generation vessel can sell surplus power to the onshore power supply facility after supplying power to each battery electric propulsion vessel, so that operation costs can be improved.
  • the at least one battery electric propulsion ship includes a plurality of battery electric propulsion ships, the plurality of battery electric propulsion ships are configured to be able to supply surplus power to the shore power supply facility, and the management device includes the terrestrial power supply ship. If the power price in the facility is higher than the power supply price in the offshore power supply facility, the surplus power is sold to the land power supply facility for the battery electric propulsion vessel having surplus power among the plurality of battery electric propulsion vessels. A power selling command such as powering may be transmitted. According to this configuration, when the power price in the land power supply is higher than the power supply price in the offshore power supply, the battery electric propulsion ship having surplus power can sell the surplus power to the land power supply. . Operational costs can be improved.
  • the at least one battery electric propulsion ship includes a plurality of battery electric propulsion ships
  • the at least one offshore power supply facility includes a plurality of offshore power supply facilities
  • the battery electric propulsion ship power supply system includes the plurality of batteries.
  • a management device capable of communicating with the electric propulsion ship, wherein the management device obtains power price data at predetermined time intervals in the shore power supply facility, and for each of the plurality of battery electric propulsion ships, Based on the operation data and the electricity price data received from the propulsion ship, a charging schedule including charging timing and identification of the offshore power supply facility or the land power supply facility to be charged is determined, and the determined charging schedule corresponds to the battery electric power. It may be transmitted to the propulsion ship.
  • each battery electric propulsion ship can be charged at an optimal timing in either the offshore power generation facility or the onshore power supply facility according to the charging schedule determined based on the operation data and the electricity price data.
  • each battery electric propulsion vessel can perform operations economically and efficiently.
  • the at least one battery electric propulsion ship includes a plurality of battery electric propulsion ships
  • the battery electric propulsion ship power supply system includes a management device capable of communicating with the plurality of battery electric propulsion ships
  • the management device includes: Obtain power price data for each predetermined time in the land-based power supply facility, and perform a ship assignment plan for the plurality of battery electric propulsion ships based on the operation data and the power price data received from the plurality of battery electric propulsion ships.
  • a navigation schedule including operations for each of the plurality of battery electric propulsion ships may be determined, and the determined navigation schedule may be transmitted to the corresponding battery electric propulsion ship.
  • the ship assignment plan can be automated, and the battery electric propulsion ship can improve operation costs by navigating according to the navigation schedule determined based on the operation data and the electricity price data. Can be.
  • the at least one offshore power supply facility may include a configuration capable of receiving power from the land power supply facility.
  • the offshore power supply facility is an offshore power generation vessel provided with a generator
  • the battery electric propulsion vessel power supply system includes a management unit capable of communicating with the at least one onshore power supply facility and the offshore power generation vessel.
  • the management device acquires power price data for each predetermined time in the onshore power supply facility, and based on the power price data, Either power generation by an offshore power generation vessel or power supply from the onshore power supply facility may be determined. According to this configuration, it is determined whether the power generated by the offshore power generation ship is supplied to the battery electric propulsion ship or the power supplied from the onshore power supply equipment is supplied to the battery electric propulsion ship according to the electric power price. Therefore, operation costs can be improved.
  • the offshore power generation facility of the present invention is an offshore power generation facility for charging a storage battery of a battery electric propulsion ship, and is connected to a generator, a storage battery for storing power generated by the generator, and the storage battery. And a power supply device.
  • Such an offshore power generation facility can be suitably used for the battery electric propulsion ship power supply system described above.
  • the above-described offshore power generation facility may further include a tank for storing liquefied gas, and an internal combustion engine connected to the generator for burning the liquefied gas or the vaporized gas.
  • the battery electric propulsion ship of the present invention includes a communication device for transmitting operation data of the battery electric propulsion ship.
  • a battery electric propulsion ship can be suitably used for the above-mentioned battery electric propulsion ship power supply system.
  • the rechargeable battery of the battery electric propulsion ship can be charged without mooring the battery electric propulsion ship on the quay.
  • FIG. 6 is a diagram illustrating a state where power supply equipment is specified according to a charging schedule. It is a graph which shows an example of the navigation schedule of a battery electric propulsion ship. It is a figure showing an example of a course according to a navigation schedule.
  • FIG. 1 shows a battery electric propulsion ship power supply system 1 according to a first embodiment of the present invention.
  • the power supply system 1 includes a plurality of battery electric propulsion ships 2, a plurality of offshore power generation ships 3 (corresponding to offshore power supply facilities of the present invention), and a management device 5.
  • the number of battery electric propulsion boats 2 may be one
  • the number of offshore power generation boats 3 may be one.
  • the power supply system 1 is constructed for one bay 11 including two ports 12 and 13, but the power supply system 1 may be constructed over a plurality of bays.
  • each battery electric propulsion ship 2 is a coastal ship navigating the domestic sea area.
  • the domestic sea area may be a Japan domestic sea area or a foreign domestic sea area.
  • the domestic sea area may be the domestic sea area of those countries.
  • each battery electric propulsion ship 2 may be an ocean-going ship engaged in international voyage.
  • the battery electric propulsion ship 2 is a tugboat, a ferry, various kinds of logistics ships (container ships, oil carriers, general cargo ships, chemical ships), and the like.
  • tugboats perform operations towing large vessels
  • container vessels perform operations to transport containers between ports. The operation for each battery electric propulsion boat 2 is changed daily.
  • each battery electric propulsion boat 2 includes a propeller drive motor for driving a propeller, and a storage battery for supplying power to the propeller drive motor.
  • the storage battery is charged by being connected to a power supply device described below of the offshore power generation ship 3.
  • Each offshore power generation ship 3 is a ship that generates power using liquefied gas and can charge the storage battery of the battery electric propulsion ship 2.
  • the liquefied gas is, for example, LNG (Liquefied Natural Gas), liquefied hydrogen, or the like.
  • each offshore power generation ship 3 supplies power to each battery electric propulsion ship 2 to charge the storage battery of the battery electric propulsion ship 2.
  • charging of the storage battery of the battery electric propulsion boat 2 does not necessarily need to be performed on the battery electric propulsion boat 2.
  • a replacement storage battery is charged on the offshore power generation ship 3 and when the battery electric propulsion ship 2 is moored to the offshore power generation ship 3, the battery electric propulsion ship
  • the second storage battery may be replaced with a charged storage battery.
  • each offshore power generation ship 3 includes a tank for storing liquefied gas, an internal combustion engine for burning the liquefied gas or the vaporized gas, a generator connected to the internal combustion engine, and a generator. And a power supply device connected to the storage battery.
  • each offshore power generation ship 3 may be a reciprocating engine or a gas turbine engine. Alternatively, a gas-fired boiler and a steam turbine may be employed instead of the internal combustion engine.
  • each offshore power generation boat 3 may include a fuel cell that generates power by reacting hydrogen and oxygen.
  • the power supply system 1 further includes a plurality of liquefied gas supply devices 4 installed on land.
  • Each liquefied gas supply device 4 supplies liquefied gas to any of the offshore power generation vessels 3.
  • each liquefied gas supply device 4 includes a plurality of large-capacity tanks for storing liquefied gas.
  • two liquefied gas supply devices 4 are provided in ports 12 and 13, respectively, and one liquefied gas supply device 4 is provided on a quay which is not a port.
  • the offshore power generation ship 3 is moored on the quay.
  • offshore power generation vessel 3 located at a position away from the quay (in FIG. 1, the lowest offshore power generation vessel 3).
  • the offshore power generation vessel 3 may be moored at that position by an anchor, or may be held at that position by a thruster without using an anchor.
  • the supply of the liquefied gas to the offshore power generation vessel 3 is performed by replacing the offshore power generation vessel 3 with another offshore power generation vessel 3.
  • the management device 5 is installed on land in the present embodiment, but may be installed on a floating offshore base, for example. Alternatively, the management device 5 may be mounted on any of the offshore power generation vessels 3. In addition, the management device 5 may be mounted on each of the plurality of battery electric propulsion boats 2 or the offshore power generation boat 3. Further, an information sharing system in which the management devices 5 mounted on the individual ships share each other's information is constructed, and the ships equipped with the management devices 5 manage autonomously based on the shared information. A configuration may be provided.
  • the management device 5 can communicate with the battery electric propulsion ship 2 and the offshore power generation ship 3.
  • each battery electric propulsion boat 2 includes a communication device and a processing device in addition to the above-described configuration.
  • each offshore power generation ship 3 and the management device 5 also include a communication device and a processing device.
  • the processing device is a computer having a memory such as a ROM or a RAM, a storage such as an HDD, and a CPU, and a program stored in the ROM or the HDD is executed by the CPU.
  • the operator of each battery electric propulsion boat 2 inputs the operation information of the battery electric propulsion boat 2 to the processing device every day.
  • the operation information includes the port and time to depart, the port and time to enter, and the operation details.
  • the communication device of each battery electric propulsion ship 2 transmits the operation information input to the processing device to the management device 5 as operation data.
  • the communication device of each battery electric propulsion ship 2 transmits the capacity and the remaining battery capacity of the storage battery of the battery electric propulsion ship 2 to the management device 5 as operation data.
  • the operation data may include a propulsion power load of each battery electric propulsion boat 2, an onboard power load other than propulsion, a boat speed, and the like.
  • each battery electric propulsion ship 2 may transmit the operation data of the storage battery, the propeller drive motor and the propeller to the management device 5 together with the operation data of the battery electric propulsion ship 2.
  • the operation data transmitted from each battery electric propulsion boat 2 is received by the communication device of the management device 5.
  • the processing device of the management device 5 determines the optimal standby position of each offshore power generation ship 3 for supplying power to all the battery electric propulsion ships 2 based on the operation data of each battery electric propulsion ship 2.
  • the communication device of the management device 5 transmits the standby position of each offshore power generation ship 3 determined by the processing device to each offshore power generation ship 3.
  • the standby position transmitted from the management device 5 is received by the communication device of each offshore power generation ship 3 and output to a monitor or the like by the processing device.
  • the operator of each offshore power generation vessel 3 moves the offshore power generation vessel 3 to its standby position.
  • the processing device of the management device 5 determines the charging schedule for each battery electric propulsion ship 2 based on the operation data of all the battery electric propulsion ships 2.
  • the charging schedule includes the charging timing and the specification of the offshore power generation ship 3 to be charged.
  • the communication device of the management device 5 transmits the charging schedule of each battery electric propulsion ship 2 determined by the processing device to the corresponding battery electric propulsion ship 2.
  • the charging schedule transmitted from the management device 5 is received by the communication device of each battery electric propulsion ship 2 and output to a monitor or the like by the processing device.
  • the operator of each battery electric propulsion boat 2 operates the battery electric propulsion boat 2 to receive charging from the specified offshore power generation boat 3 during operation according to the charging schedule.
  • the processing device of the management device 5 acquires sea weather data including wave information and wind information from an external organization such as the Meteorological Agency via the Internet or the like. Then, the processing device determines whether power can be supplied from the offshore power generation boat 3 to the battery electric propulsion boat 2 based on the sea weather data.
  • the rechargeable battery of the battery electric propulsion ship 2 can be charged offshore without mooring the battery electric propulsion ship 2 to the quay.
  • the management device 5 determines the optimum standby position for supplying power to all the battery electric propulsion ships 2, the offshore power generation ship 3 can be moved to the standby position. Thereby, the distance that each battery electric propulsion boat 2 travels for charging can be reduced.
  • each battery electric propulsion boat 2 since the management device 5 determines the charging schedule of each battery electric propulsion boat 2, each battery electric propulsion boat 2 can be charged according to the charging schedule. Therefore, each battery electric propulsion boat 2 can efficiently perform the operation.
  • the offshore power generation facility of the present invention does not necessarily have to be the offshore power generation vessel 3 that generates power using liquefied gas, but may be a floating power generation facility that is fixed at a fixed position and generates power by offshore wind power. .
  • the offshore power generation facility is the offshore power generation ship 3 as in the above embodiment, the position of the offshore power generation facility can be changed according to the situation.
  • the offshore power generation ship 3 that generates power using liquefied gas can respond to recent severe environmental regulations, unlike the case where oil such as heavy oil is used as fuel.
  • the liquefied gas does not necessarily need to be supplied to the offshore power generation ship 3 from the onshore liquefied gas supply device 4, and may be supplied from the offshore liquefied gas supply device.
  • Examples of such an offshore liquefied gas supply device include a floating liquefied gas base, a liquefied gas transport ship, and the like.
  • the onshore liquefied gas supply device 4 generally has a large capacity tank for liquefied gas storage. Are provided, a liquefied gas can be stably supplied to the offshore power generation ship 3 when necessary.
  • the management device 5 performs a ship assignment plan for all the battery electric propulsion ships 2 based on the operation data of all the battery electric propulsion ships 2 every day, and sets a navigation schedule including an operation for each battery electric propulsion ship 2.
  • the determined navigation schedule may be transmitted to the corresponding battery electric propulsion boat 2. According to this configuration, the ship assignment plan can be automated.
  • the management device 5 also stores the standby position of each offshore power generation ship 3, the charging schedule of each battery electric propulsion ship 2, and / or the navigation schedule of each battery electric propulsion ship 2, and the operation data of all the battery electric propulsion ships 2.
  • the determination may be made based on a machine learning result for the operation state data of the storage battery, the propeller drive motor, and the propeller. According to this configuration, the charging time of each battery electric propulsion ship 2 is minimized, and / or the operation efficiency of each battery electric propulsion ship 2 is maximized, and / or each battery electric propulsion ship 2 Of the storage battery can be maximized.
  • each battery electric propulsion ship 2 may be an unmanned ship.
  • the battery electric propulsion boat 2 is automatically driven based on the charging schedule and the navigation schedule transmitted from the management device 5.
  • each offshore power generation ship 3 may be an unmanned ship.
  • FIG. 2 is a graph showing an example of a power supply and demand situation in a land power supply facility.
  • the power supply and demand situation for one day in the summer is shown.
  • this land-based power supply facility relies on thermal power generation and solar power generation, so in the daytime (6:00 to 18:00), there is excess power on land and the power price of the land-based power supply facility Becomes lower.
  • the nighttime (18:00 to 6:00) the power becomes insufficient on land, and the power price in the land power supply equipment increases.
  • the inventors compared the electric power price of the land-based power supply equipment, which fluctuates depending on time, weather conditions, and the like, with the electric power price calculated from the power generation unit price of the offshore power generation vessel.
  • the operation data received from the battery electric propulsion ship and the power supply price of the offshore power supply facility and the power price of the land power supply facility, which power supply facility should the battery electric propulsion vessel receive the power from? It has been found that by determining, the operating cost of the entire power supply system can be improved.
  • FIG. 3 shows a battery electric propulsion ship power supply system 1A according to a second embodiment of the present invention.
  • the power supply system 1A of the present embodiment differs from the first embodiment (FIG. 1) in that it includes a land power supply facility 20 installed on land.
  • one land-based power supply facility 20 that can charge the storage battery of the battery electric propulsion boat 2 is provided in the port 13.
  • the number of land power supply facilities 20 may be plural.
  • the land power supply facility 20 is, for example, a commercial system.
  • the shore power supply facility 20 includes a power supply station 21, a thermal power generation system 22, a solar power generation system 23, a wind power generation system 24, and a hydropower generation system 25.
  • the land power supply facility 20 may include a power generation system using other natural energy.
  • the power supply station 21 is configured to supply power generated by each of the power generation systems 22 to 25 to the battery electric propulsion ship 2 and charge a storage battery of the battery electric propulsion ship 2. However, charging of the storage battery of the battery electric propulsion boat 2 does not necessarily need to be performed at the power supply station 21.
  • the power supply station 21 includes a communication device and a processing device in addition to the above-described configuration.
  • each battery electric propulsion ship 2 is configured to be able to supply surplus power to the land power supply facility 20 (power supply station 21).
  • the offshore power generation ship 3 is also configured to be able to supply surplus power to the onshore power supply facility 20.
  • the management device 5 is configured to be able to communicate with the land power supply facility 20 and to be able to acquire power price data at predetermined time intervals in the land power supply facility 20 from the land power supply facility 20.
  • the management device 5 may directly receive the power price data from the land power supply facility 20 or may indirectly receive the power price data from another facility via a network.
  • the management device 5 acquires power price data at predetermined times in the land power supply facility 20 and compares the power price in the land power supply facility 20 with the power supply price in the offshore power generation vessel 3.
  • the power supply price of the offshore power generation vessel 3 refers to the power price calculated from the power generation unit price of the offshore power generation vessel 3.
  • the management device 5 uses the offshore power generation vessel 3 and the onshore power supply based on the operation data received from all battery electric propulsion vessels 2.
  • a power supply command that gives priority to receiving power from the land power supply facility 20 of the facilities 20 is generated, and the generated power supply command is transmitted to each battery electric propulsion ship 2.
  • the power supply command transmitted from the management device 5 is received by the communication device of each battery electric propulsion ship 2, and is output to a monitor or the like by the processing device.
  • the operator of each battery-powered propulsion ship 2 steers the battery-powered propulsion ship 2 to receive charging from the land power supply facility 20 during operation according to the power supply command.
  • the management device 5 uses the offshore power generation vessel 3 and the A power supply command that gives priority to receiving power from the offshore power generation ship 3 of the land power supply facility 20 is generated, and the generated power supply command is transmitted to each battery electric propulsion ship 2.
  • the power supply command transmitted from the management device 5 is received by the communication device of each battery electric propulsion ship 2, and is output to a monitor or the like by the processing device.
  • the operator of each battery electric propulsion boat 2 operates the battery electric propulsion boat 2 so as to receive charging from the specified offshore power generation boat 3 during operation according to the power supply command.
  • the management device 5 may transmit a power sale command to the battery electric propulsion boat 2 having surplus power to sell surplus power to the land power supply facility 20 between operations.
  • the management device 5 determines and determines the optimal standby position of the offshore power generation vessel 3 for supplying power to all the battery-powered propulsion vessels 2.
  • the standby position is transmitted to the offshore power generation ship 3.
  • the standby position transmitted from the management device 5 is received by the communication device of each offshore power generation ship 3, and is output to a monitor or the like by the processing device.
  • the operator of each offshore power generation vessel 3 moves the offshore power generation vessel 3 to its standby position.
  • the management device 5 sells the surplus power to the onshore power supply facility 20.
  • the power transmission command is transmitted to the offshore power generation ship 3.
  • the battery electric propulsion ship 2 receives power from the land power supply device 20 when the power price of the land power supply device 20 is lower than the power supply price of the offshore power generation ship 3, and When the electric power price of the power plant 20 is higher than the power supply price of the offshore power generation ship 3, power can be received from the offshore power generation ship 3, so that the operation cost can be improved.
  • the offshore power generation vessel 3 moves to an optimal position for supplying power to each battery electric propulsion vessel 2. Therefore, the distance that each battery electric propulsion boat 2 travels for charging can be reduced. Furthermore, since the offshore power generation ship 3 can sell surplus power to the land power supply facility 20 after supplying power to each battery electric propulsion ship 2, the operation cost can be improved.
  • each of the battery electric propulsion vessels 2 when the electric power price at the onshore power supply facility 20 is higher than the electric power supply price at the offshore power generation vessel 3, each of the battery electric propulsion vessels 2 generates excess electric power among the plurality of battery electric propulsion vessels 2.
  • the land-based power supply facility 20 is required even when the expected solar power generation amount cannot be obtained due to nighttime or sunshine conditions. Power can be secured. Operational costs can be improved.
  • the management device 5 acquires power price data at predetermined time intervals in the shore power supply facility 20 and charges each battery electric propulsion ship 2 based on the operation data and power price data received from all the battery electric propulsion ships 2.
  • a schedule may be determined.
  • the charging schedule includes the charging timing and the specification of the offshore power generation ship 3 or the onshore power supply facility 20 to be charged.
  • the communication device of the management device 5 transmits the charging schedule of each battery electric propulsion ship 2 determined by the treatment device to the corresponding battery electric propulsion ship 2.
  • FIG. 4 shows a state where the power supply equipment is specified according to the charging schedule.
  • a moving route 30 indicates a route from the battery electric propulsion ship 2 to the offshore power generation ship 3
  • a route 31 indicates a route from the battery electric propulsion ship 2 to the onshore power supply facility 20.
  • the movement amounts of the route 30 and the route 31 are equal.
  • a power supply facility for example, an offshore power generation boat 3 with a low power price is specified here as a power supply facility to which the battery electric propulsion boat 2 should receive power.
  • each battery electric propulsion ship 2 is charged at an optimal timing in either the offshore power generation ship 3 or the onshore power supply facility 20 according to the charging schedule determined based on the operation data and the electricity price data. And each battery electric propulsion ship 2 can perform operation economically and efficiently.
  • the management device 5 performs a ship assignment plan for all the battery electric propulsion ships 2 based on the operation data and the electric power price data received from all the battery electric propulsion ships 2 every day, and A navigation schedule including the operation may be determined, and the determined navigation schedule may be transmitted to the corresponding battery electric propulsion boat 2.
  • FIG. 5 is a graph showing an example of a daily navigation schedule of the battery electric propulsion boat 2.
  • the vertical axis in FIG. 5 indicates the electric power required for each operation of the battery electric propulsion boat 2.
  • FIG. 6 is a diagram showing an example of the route 32 according to the navigation schedule.
  • the route 32 shows a schedule in the morning.
  • the battery electric propulsion ship 2 sails in the morning from one of the ports 12 (transit) in accordance with the navigation schedule.
  • the battery electric propulsion ship 2 waits offshore near the entrance of the bay 11.
  • the battery electric propulsion ship 2 escorts the large ship 6 arriving offshore to the other port 13.
  • the battery electric propulsion ship 2 is installed on the quay of the port 13 to anchor the large ship 6 (bollard).
  • the work in the morning is now completed.
  • the afternoon work is started again.
  • the battery electric propulsion boat 2 needs to be charged several times a day due to the limitation of the capacity of the storage battery.
  • operation of the ports 12, 13 before and after departure, and waiting at sea, etc. is performed.
  • any one of the power supply facilities can receive power supply according to the power supply price of the offshore power generation ship 3 and the power supply price of the land power supply facility 20.
  • the ship assignment plan can be automated, and the battery electric propulsion boat 2 improves the operating cost by navigating according to the navigation schedule determined based on the operation data and the electricity price data. be able to.
  • the offshore power generation ship 3 exclusively supplies the electric power generated by the generator to the battery electric propulsion ship 2 and the on-shore power supply facility 20.
  • a configuration capable of receiving the information may be provided.
  • the electric power generated by each of the power generation systems 22 to 25 of the onshore power supply facility 20 may be supplied to the offshore power generation vessel 3 to charge the storage battery of the offshore power generation vessel 3 (see FIG. 3).
  • the management device 5 is configured to be communicable with the offshore power generation vessel 3 and receives operation data including the operation information of the offshore power generation vessel 3 and the capacity and remaining battery capacity of the storage battery of the offshore power generation vessel 3.
  • the management device 5 acquires power price data for each predetermined time in the onshore power supply facility 20, and based on the operation data and the power price data received from the offshore power generation vessel 3, the generated power of the offshore power generation vessel 3 is insufficient. In this case, it is determined whether to generate power using the offshore power generation ship 3 or receive power from the onshore power supply facility 20. Specifically, when the power price at the land power supply facility 20 is lower than the power supply price at the offshore power generation vessel 3, the management device 5 generates a command that gives priority to receiving power at the land power supply facility 20. Then, the generated power supply command is transmitted to the offshore power generation vessel 3.
  • the offshore power generation ship 3 generates power using liquefied gas, but may generate power using LPG (Liquefied Petroleum Gas), biofuel, or hydrogen.
  • LPG Liiquefied Petroleum Gas
  • the “offshore power supply facility” of the present invention does not necessarily need to include a power generation facility.
  • a pre-charged replacement storage battery is loaded on an offshore ship, and when the battery electric propulsion ship 2 is moored on the offshore ship, the charged storage battery is replaced with the storage battery of the battery electric propulsion ship 2. Good.
  • the electric power charged in the storage battery of the offshore ship may be supplied to the storage battery of the battery electric propulsion ship 2 via a cable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne un système d'alimentation en énergie d'un navire à propulsion électrique par batterie avec lequel il est possible de charger une batterie rechargeable dans le navire de propulsion électrique de batterie sans amarrer le navire de propulsion électrique de batterie sur un quai. Ce système d'alimentation en énergie de navire à propulsion électrique par batterie comprend : au moins un navire à propulsion électrique par batterie; et au moins une installation de production d'énergie en mer capable de charger une batterie de stockage disposée dans le navire à propulsion électrique par batterie.
PCT/JP2019/005685 2018-08-31 2019-02-15 Système d'alimentation en énergie d'un navire à propulsion électrique par batterie, installation d'alimentation en énergie en mer, et navire à propulsion électrique par batterie WO2020044601A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020540026A JP7177159B2 (ja) 2018-08-31 2019-02-15 電池電気推進船給電システム
SG11202101557RA SG11202101557RA (en) 2018-08-31 2019-02-15 Battery-electricity propulsion ship electric power feed system, offshore electric power feed facility, and battery-electricity propulsion ship
CN201980051153.XA CN112533822B (zh) 2018-08-31 2019-02-15 电池电气推进船供电系统、海上供电设备以及电池电气推进船

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JP2018163970 2018-08-31
JP2018-163970 2018-08-31

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WO2020044601A1 true WO2020044601A1 (fr) 2020-03-05

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JP (1) JP7177159B2 (fr)
CN (1) CN112533822B (fr)
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JP2006148257A (ja) * 2004-11-16 2006-06-08 Mitsubishi Heavy Ind Ltd 船舶搭載用通信装置及びその方法
JP2013005593A (ja) * 2011-06-16 2013-01-07 Ihi Corp 給電装置及び給電システム
JP2016006400A (ja) * 2014-06-20 2016-01-14 住友電工システムソリューション株式会社 経路探索装置、経路検索システム及びコンピュータプログラム
CN204239131U (zh) * 2014-11-04 2015-04-01 于海 水上移动发电站
JP2016100970A (ja) * 2014-11-20 2016-05-30 有限会社板厚計測Ｂスコープ 潮流又は海流を使用して発電する海域での発電設備
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CN204587243U (zh) * 2015-02-06 2015-08-26 北车船舶与海洋工程发展有限公司 岸电供电船

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JP7177159B2 (ja) 2022-11-22
CN112533822A (zh) 2021-03-19
CN112533822B (zh) 2023-10-10
JPWO2020044601A1 (ja) 2021-08-10
SG11202101557RA (en) 2021-03-30

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