CN103228533B - Energy management system for ship and method - Google Patents

Energy management system for ship and method Download PDF

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Publication number
CN103228533B
CN103228533B CN201280000749.5A CN201280000749A CN103228533B CN 103228533 B CN103228533 B CN 103228533B CN 201280000749 A CN201280000749 A CN 201280000749A CN 103228533 B CN103228533 B CN 103228533B
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CN
China
Prior art keywords
load
shipping
step
described
boats
Prior art date
Application number
CN201280000749.5A
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Chinese (zh)
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CN103228533A (en
Inventor
呉珍錫
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韩国海洋大学产学合作基金会
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Priority to KR10-2011-0123648 priority Critical
Priority to KR1020110123648A priority patent/KR101290290B1/en
Application filed by 韩国海洋大学产学合作基金会 filed Critical 韩国海洋大学产学合作基金会
Priority to PCT/KR2012/000106 priority patent/WO2013077495A1/en
Publication of CN103228533A publication Critical patent/CN103228533A/en
Application granted granted Critical
Publication of CN103228533B publication Critical patent/CN103228533B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63JAUXILIARIES ON VESSELS
    • B63J3/00Driving of auxiliaries
    • B63J3/02Driving of auxiliaries from propulsion power plant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63JAUXILIARIES ON VESSELS
    • B63J3/00Driving of auxiliaries
    • B63J3/04Driving of auxiliaries from power plant other than propulsion power plant
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • H02J3/382Dispersed generators the generators exploiting renewable energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • H02J3/382Dispersed generators the generators exploiting renewable energy
    • H02J3/383Solar energy, e.g. photovoltaic energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • H02J3/382Dispersed generators the generators exploiting renewable energy
    • H02J3/386Wind energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J4/00Circuit arrangements for mains or distribution networks not specified as ac or dc
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/22The renewable source being solar energy
    • H02J2300/24The renewable source being solar energy of photovoltaic origin
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/28The renewable source being wind energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/40Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40The network being an on-board power network, i.e. within a vehicle
    • H02J2310/42The network being an on-board power network, i.e. within a vehicle for ships or vessels
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion electric or electronic aspects
    • Y02E10/563Power conversion electric or electronic aspects for grid-connected applications
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects
    • Y02E10/763Power conversion electric or electronic aspects for grid-connected applications

Abstract

The invention discloses energy management system for ship and method.According to energy management system for ship and the method for one embodiment of the invention, it is characterized in that comprising: the main Power Generation Section comprising multiple electrical generator, it is to boats and ships load supply electric power; Comprise the Emergency electric generation portion of storage battery, its battery stores is from the electric energy utilizing the wind-power electricity generation source of wind-force and utilize the solar power generation source of sunshine to produce; The load electric determination part of electricity usage amount is measured from boats and ships load; Measure the environment determination part of environmental data, its environmental data comprises sea temperature and ambient-air temperature; The environmental data that the electricity usage amount measured according to described load electric determination part and described environment determination part measure, controls the power generation amount in main Power Generation Section or Emergency electric generation portion, makes the control part only running any in described multiple electrical generator.

Description

Energy management system for ship and method

Technical field

The present invention relates to energy management system for ship, more particularly, the present invention relates to most suitable state control and the power generating system and the load that manage boats and ships, and effectively manage the stability of shipping and use electric power, and initiatively can reduce the energy management system for ship of fuel discharge.

Background technology

The concept of existing boats and ships to conserve energy is not yet formulated, and just has the concept merely running and stop correlative equipment.

Recently due to the appearance of ESS (Energysavingsystem: energy conserving system), develop the rotative speed controlling Large Copacity sea water pump according to sea temperature, and obtain the system being reduced to the energy saving effect of ratio with load.

But, this is not the energy saving carried out whole boats and ships, and only obtain energy saving method by the load of control one equipment (sea water pump), so always restricted to energy saving, and there is the shortcoming can not overlapped for small-scale boats and ships.

In addition, when needing a large amount of electric power according to the energy management system of prior art, Multi-generator system produces electric power, and arranges due to the form of maintenance or emergency generator, and electrical generator will ceaselessly run, and has the problem of non-efficiency when ship internal burden is few.

On the other hand, No. 10-2008-7118590th, Korean Patent Laid " method of operating ship energy system and be applicable to the energy system of its method " is disclosed in particularly according to the energy system used at boats and ships etc. of prior art.

The problem of this boats and ships energy system according to prior art is to have the various loads most suitably needed for integration management boats and ships, the mechanism of actual conserve energy on one's own initiative.

Summary of the invention

Invent problem to be solved

The object of this invention is to provide and consider shipping condition, sea temperature, ambient-air temperature etc., optimize and combine required changes in temperature such as the shipping loads, goods traffic etc. of management needed for navigation vessels required equipment load, living environment etc. and ventilation load etc., reduce equipment and run institute's energy requirement, and reduce simultaneously and run fuel discharge needed for electrical generator, and reality on one's own initiative can the energy management system for ship of conserve energy.

For solving the method for problem

According to one embodiment of the invention, can provide a kind of energy management system for ship, it is characterized in that comprising: the main Power Generation Section comprising multiple electrical generator, it is to boats and ships load supply electric power; Comprise the Emergency electric generation portion of storage battery, its battery stores is from the electric energy utilizing the wind-power electricity generation source of wind-force and utilize the solar power generation source of sunshine to produce; The load electric determination part of electricity usage amount is measured from boats and ships load; Measure the environment determination part of environmental data, its environmental data comprises sea temperature and ambient-air temperature, the environmental data that the electricity usage amount measured according to described load electric determination part and described environment determination part measure, control the power generation amount in main Power Generation Section or Emergency electric generation portion, make the control part only running any in described multiple electrical generator.

Now, described control part, 85% of the electric energy generated exceed capacity of any electrical generator run time, can control other electrical generators paired running together.

According to another embodiment of the present invention, there is multiple electrical generator, with from utilize the wind-power electricity generation source of wind-force and utilize sunshine solar power generation source generation power store electrical energy storage battery boats and ships on, for the boats and ships energy management method that supply shipping loads, shipping load, air conditioner load electric power manage, can energy management method be provided, it is characterized in that comprising: (a) inputs the step of load type and the described electrical power generators electricity that will manage; B () inputs the step of the electricity used in described each load and the environmental data comprising sea temperature and ambient-air temperature; C (), according to the electricity of input and environmental data, sets the step of described each load running pattern; When () output of any one electrical generator of running according to the operational mode of setting is below 85% d, run shipping load, air conditioner load and shipping loads, if more than 85% time shipping the load out of service or step of air conditioner load; In (e) described (d) step after shipping load out of service or air conditioner load, when the output of any one electrical generator run is below 85%, run shipping loads, if when exporting more than 85%, run together with other electrical generators and run the step of shipping loads; F () feeds back to the step of described (b) step.

At this, the step from described storage battery, described load being supplied to emergency power between described (e) and (f) step, can be increased again.

The effect of invention

Embodiments of the invention are on the boats and ships of operation more than two electrical generators, and the situation simultaneously will running multiple electrical generator occurs minimum, provides and can make the minimized energy management system of boats and ships load, thus consumption capable of saving fuel.Directly manage shipping load, air conditioner load and shipping loads for this reason, there is the structure making the fuel discharge of marine generator minimized.

In addition, be designed to the emergency power system based on the contact renewable sources of energy (sunshine, wind-force etc.), and there is the mechanism that can supplement the not enough electric power of boats and ships and emergency power.

Accompanying drawing explanation

Fig. 1 is the formation diagram of block of energy management system for ship according to a preferred embodiment of the present invention.

Fig. 2 is the pie graph of the present invention shown in Fig. 1.

Fig. 3 is the diagram of circuit of the boats and ships energy management method according to another preferred embodiment of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing, a preferred embodiment of the present invention is described in detail.Point out in order to overall understanding of the present invention shown in following explanation and accompanying drawing, technical scope of the present invention is not limited to this.And eliminate the unnecessary known formation of fuzzy emphasis of the present invention and the detailed description of function.

Fig. 1 is the formation diagram of block of energy management system for ship according to a preferred embodiment of the present invention, and Fig. 2 is the pie graph of the present invention shown in Fig. 1.

As shown in Figure 1, energy management system for ship according to the present invention comprises main Power Generation Section, Emergency electric generation portion, load electric determination part 30, environment determination part 40 and control part 50.

Main Power Generation Section comprises the electrical generator 10 using fossil fuel to produce electric power, and described electrical generator 10 arranges multiple.

Further, Emergency electric generation portion comprises from utilizing wind-power electricity generation to produce the wind-power electricity generation source of electric energy, and utilizes sunshine to produce the solar power generation source store electrical energy of electric power and the storage battery 20 of supply load 70.

In addition, load electric determination part 30 measures the electricity usage amount of load 70.That is, use electric power by the contact of various and multiple load 70, the total electricity consumed can increase, and mensuration electric power now or the delivery volume of electric current and voltage, just can measure the electricity usage amount of load.

At this, described load 70 is the concept arbitrary classifications based on conserve energy, can be categorized into shipping loads 72, shipping load 74 and air conditioner load 76.

Described shipping loads 72 is the heavy dutys directly affecting shipping, according to sea temperature, leading engine condition of service, and can the load 70 of conserve energy by adjust operation load 70.Such as, the cooling water pump as main cooling sea water pump, clarified water pump etc. is equivalent to.

Further, described shipping load 74 is the loads 70 do not had a direct impact boats and ships shipping, and running number by regulator generator can the load of conserve energy.Such as, hoisting crane, winch, capstan winch etc. are equivalent to.

In addition, described air conditioner load 76 does not have a direct impact boats and ships shipping, and relate to the load of living environment, is equivalent to cooling and warming room system, suction and discharge ventilation system, Lighting System etc.

Then environment determination part 40 is the environmental datas measured as sea temperature or ambient-air temperature, can provide temperature by the sensor of outside.

Described control part 50 is the environmental datas measured according to electricity usage amount and the described environment determination part 40 of described load electric determination part 30 mensuration, controls the power generation amount in described main Power Generation Section or Emergency electric generation portion.

Now, the control object of described control part 50 is according to shipping condition, sea temperature, ambient-air temperature, load 70 described in integration management best, save relevant utilize the energy of equipment and run the fuel that described electrical generator 10 consumes carry out not only reality but also the energy saving of active.

For this reason, described control part 50 can make multiple electrical generator 10 independent or arranged side by side (meaning that two are run simultaneously) run according to load.That is, allow described electrical generator 10 have best condition of service and minimum air/fuel ratio, be exactly the output capacity of described electrical generator 10 below 85% time full blast.

Therefore, described control part 50 is that the situation substantially making the electrical generator 10 of more than two simultaneously run minimizes, and controls electrical generator 10 isolated operation, when capacity is more than 85%, controls other electrical generators 10 paired running together.

At this, the benchmark concept of so-called 85% is the higher limit being usually selected from engine health range of operation, namely forms the load of electrical generation higher limit of the best running environment of maintenance.

On the other hand, the data that described control part 50 inputs according to described load electric determination part 30 and environment determination part 40, can determine the operational mode whether running described each load and each load.

As a reference, also there is distribution portion 60 to distribute electric power to each load between described control part 50 and load 70, and described control part 50 controls described distribution portion 60.

Below in conjunction with Fig. 3, boats and ships energy management method is according to another embodiment of the present invention described.Fig. 3 is the diagram of circuit of the boats and ships energy management method according to another preferred embodiment of the present invention.

First, (a) step is the step of input initial value, according to the control object that energy management system of the present invention will manage, i.e. and the kind of input load 70, the generating electricity (S100) of input electrical generator 10.

Then (b) step is the environmental data (sea temperature, ambient-air temperature etc.) of electricity and described environment determination part 40 mensuration used in each load 70 of described load electric determination part 30 mensuration of input.Refer to that described control part is with what electrically input in this input, can say be almost in real time between (S200) that provide.

Then (c) step be according to input electricity and environmental data, set described each load 70 operational mode, whether its operational mode not only comprises runs outside each equipment, also refers to specific operation scheme.Such as, the region of boats and ships in shipping from the region of ambient-air temperature 30 degree to 20 degree, the time that shipping condition changes is convertible into the pattern (S300) adjusting ventilation and temperature automatically from driving a blower (fan) the situation of air-conditioning.

After terminating described (c) step, judging whether in described (d) step can isolated operation electrical generator.Namely coordinate described various condition and situation, the state of better control system judges that whether the output of electrical generator is more than 85% (S400).

As shown in the figure, if below 85% time, continue to run described shipping load 74 and air conditioner load 76, and run shipping loads 72 (S410).But during more than 85%, described shipping load 74 out of service or air conditioner load 76, or the driving rate (S420) that can reduce each equipment.

Then (e) step is in described (d) step after shipping load out of service or air conditioner load 76, whether rejudges the output of electrical generator 10 more than 85% (S500).

Now, when less than 85%, run shipping loads 72 (S600), during more than 85%, drive other electrical generators 10 together and perform paired running (S510), and running described shipping loads 72 (S600).

This state as (f) step feed back to as described in (b) step, re-enter the making power consumption and environmental data of each load and control best generator operation.

The storage battery 20 charged from wind-force or sunshine regenerated energy supplies electric power step (S700) to each load 20 can be increased again between described (e) and (f) step.That is, when the operation of described electrical generator 20 is more than two, described storage battery 20 supplies stableization that emergency power makes electrical generator, and the fuel discharge of electrical generator minimizes and can perform energy saving.

Generally speaking, the present invention is that load management makes the isolated operation of generating function, namely in order to first perform the consumption of fuel preventing paired running, management shipping load and air conditioner load make load be no more than optimum operation setting value (about 85% of electrical generator output), then perform the process being made power consumption by shipping loads saving.

As a reference, each formation of the present invention can independently, be controlled by modularity chainly, and energy management system of the present invention is better to be contacted and integrated management with the control system of boats and ships.

Be illustrated with reference to preferred embodiment of the present invention above, those of ordinary skill in the art should be understood that in following right, does not depart from the scope in thought of the present invention and field, can carry out multiple correction and change to the present invention.

Utilizability in industry

The present invention relates to energy management system for ship, more particularly, the present invention relates to most suitable state control and the power generating system and the load that manage boats and ships, and effectively manage the stability of shipping and use electric power, can utilize in the field initiatively can reducing the energy management system for ship of fuel discharge.

Claims (2)

1. a boats and ships energy management method, is characterized in that:
There is multiple electrical generator, with from utilize the wind-power electricity generation source of wind-force and utilize sunshine solar power generation source generation power store electrical energy storage battery boats and ships on, electric power to shipping loads, shipping load, air conditioner load supply carries out the boats and ships energy management method managed, and it comprises:
A () inputs the step of load type and the described electrical power generators electricity that will manage;
B () inputs the step of the electricity used in described shipping loads, shipping load and air conditioner load and the environmental data comprising sea temperature and ambient-air temperature;
C (), according to the electricity of input and environmental data, sets the step of described shipping loads, shipping load and air conditioner load operational mode;
When () output of any one electrical generator of running according to the operational mode of setting is below 85% d, run shipping load, air conditioner load and shipping loads, if more than 85% time shipping the load out of service or step of air conditioner load;
In (e) step (d) after shipping load out of service or air conditioner load, when the output of any one electrical generator run is below 85%, run shipping loads, if when exporting more than 85%, run together with other electrical generators and run the step of shipping loads;
F () feeds back to the step of (b) step.
2. boats and ships energy management method according to claim 1, is characterized in that:
The step from described storage battery, described shipping loads, shipping load and air conditioner load being supplied to emergency power can be increased again between (e) and (f) step.
CN201280000749.5A 2011-11-24 2012-01-05 Energy management system for ship and method CN103228533B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR10-2011-0123648 2011-11-24
KR1020110123648A KR101290290B1 (en) 2011-11-24 2011-11-24 Energy management system and method for ship
PCT/KR2012/000106 WO2013077495A1 (en) 2011-11-24 2012-01-05 System and method for managing energy of ship

Publications (2)

Publication Number Publication Date
CN103228533A CN103228533A (en) 2013-07-31
CN103228533B true CN103228533B (en) 2016-03-09

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CN (1) CN103228533B (en)
WO (1) WO2013077495A1 (en)

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KR101681725B1 (en) * 2015-04-10 2016-12-01 대우조선해양 주식회사 Power Control Method for FLNG
KR101872809B1 (en) 2016-11-30 2018-06-29 한국해양대학교 산학협력단 Battery-connected high efficiency power management system for ship and offshore plant
CN107140168B (en) * 2017-04-26 2019-03-19 武汉理工大学 It is a kind of based on small echo-fuzzy logic hybrid power ship Energy Management System and control method
KR20190022983A (en) 2017-08-24 2019-03-07 전자부품연구원 System and method of charging operation of ship
KR20200025731A (en) 2018-08-31 2020-03-10 전자부품연구원 Energy management system and control method for power control using Voltage Regulation

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CN201323453Y (en) * 2008-12-12 2009-10-07 华南理工大学 Renewable energy micro-grid
CN101585406A (en) * 2009-07-03 2009-11-25 宜昌发中船务有限公司 Comprehensive energy-charging long-distance all-electric ship with storage battery

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KR101290290B1 (en) 2013-07-26
CN103228533A (en) 2013-07-31
WO2013077495A1 (en) 2013-05-30
KR20130057750A (en) 2013-06-03

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