CN106849319B - The method that solar energy ship improves battery loss under comprehensive movement - Google Patents
The method that solar energy ship improves battery loss under comprehensive movement Download PDFInfo
- Publication number
- CN106849319B CN106849319B CN201710085994.5A CN201710085994A CN106849319B CN 106849319 B CN106849319 B CN 106849319B CN 201710085994 A CN201710085994 A CN 201710085994A CN 106849319 B CN106849319 B CN 106849319B
- Authority
- CN
- China
- Prior art keywords
- ship
- photovoltaic panel
- super capacitor
- energy
- irradiation level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention is to provide a kind of solar energy ships to improve the method for battery loss under comprehensive movement.Including generating Scenario, obtain ship design parameter, long crested waves random seaway is analyzed, parameters revision is carried out on the basis of fixed angle irradiation level calculates, calculate the irradiation level on photovoltaic panel inclined surface, the output power of the photovoltaic panel plate under two kinds of motion conditions is obtained, the capacity of super capacitor, the capacity determination of battery etc. are designed.In the case of considering Ship Swaying and disregarding Ship Swaying, there are the presence of the fluctuating power of apparent upper frequency, the fluctuating power of this upper frequency has large effect to composition and the Capacity Selection aspect of energy storage device, frequent power swing can not only be stabilized using super capacitor+battery mixed energy storage system, there is preferable effect to the economy for reducing energy storage total system simultaneously, improves the stability to new energy marine system.
Description
Technical field
What the present invention designed is a kind of accumulator control method of solar energy energy mix ship, specifically a kind of consideration
The method that ship improves battery loss under comprehensive movement.
Background technique
In global annual carbon, nitrogen emissions, certain proportion is caused by being discharged as ocean shipping industry.Solar energy etc. can
Continuous energy and ship conventional electric power generation equipment, which are mixed together power supply, becomes the new trend of ship power supply system.Ship is in navigation process
In longitude and latitude can the moment change, while ship exist wave phenomenon, this is allowed for the photovoltaic panel irradiation level in ship
Practical reception amount and conventional land on be difference, thus the output power of ship photovoltaic system also with land system not
Together.Currently, using renewable energy as ship all or part power supply unit, more only use for reference even applies land photovoltaic system
The experience of system, there is no the particularity for considering photovoltaic power generation apparatus on ship, that is, do not account for ship craft integrated movement and send out photovoltaic
It is influenced caused by electric equipment.
Solar energy energy mix ship can be generated under comprehensive movement and be waved, and this phenomenon of waving will lead to photovoltaic system generation
The output power of fluctuation, this distinctive fluctuating power not only influence the design of the power unit of ship hybrid power source system, also
Energy-storage system can be impacted.If this distinctive fluctuating power frequency be not it is very low, possibly can not rely only on battery
Fluctuating power is received.The limitation of battery charging and discharging number, frequent charge and discharge can reduce the energy storage capacity and reality of battery
Border service life increases battery altering frequency, and then will increase practical energy storage cost and increase environmental pollution.
Therefore, ship reasonably selects energy-storage system under comprehensive movement, to the steady of the marine system containing new energy
The fields such as the planning of economy, the electricity generation system of photovoltaic that are qualitative, improving energy-storage system are of great significance, to containing energy storage
Planning of science activities, economic load dispatching and the electric energy regulation of green ship energy resource system provide new thinking.
Summary of the invention
Accurately the mixed energy storage system in ship can be selected the purpose of the present invention is to provide a kind of, it is comprehensive in ship
The solar energy ship for reducing battery loss under resultant motion improves the method for battery loss under comprehensive movement.
The object of the present invention is achieved like this:
1) it according to practical course line, is counted by historical data and ship rolling is generated mainly under different periods difference segment
The range of affecting parameters, and more scenes are generated using the sampling of overpull fourth cube, the main affecting parameters include sea situation, sea
Wind speed, wave height, corresponding wind scale；
2) ship design parameter is obtained according to the model of navigating ship, the ship design parameter includes Water Plane system
Number, displacement of volume, type be wide, moldeed depth；
3) long crested waves random seaway is analyzed, and is carried out by sea situation, ship design parameter and wave to slope of wave surface
Amendment, obtains the fluctuation situation at ship rolling angle；
4) parameters revision is carried out on the basis of fixed angle irradiation level calculates, determine ship any time under sail
Ground external irradiation degree at photovoltaic panel；
5) consider ship craft integrated movement and carry out two kinds of situations of translational motion only to calculate the spoke on photovoltaic panel inclined surface
Illumination；
6) output power of the photovoltaic panel plate under above two motion conditions is respectively obtained according to the irradiation level calculated,
Super capacitor is used to absorb herein this part photovoltaic fluctuation power, and the fluctuating power of load is undertaken by battery；
7) maximum value of energy is received with multiple voyage super capacitor energy-storage link to design the capacity of super capacitor；
8) capacity of another part, battery determines then according to identified objectives, load condition, diesel engine situation
It is determined with operation conditions when vessel motion；
9) after determining the minimum capacity of super capacitor, the quantity and occupied area of super capacitor are determined.
Super capacitor has charge and discharge often, though power density is big, energy density is small, energy is from the characteristics such as holdup is low,
So in order to guarantee and extend the life cycle of battery, battery+super capacitor hybrid energy-storing mode is applied to new energy
In ship.In order to more accurately select the mixed energy storage system in ship, the invention proposes a kind of consideration ships
The lower method for reducing battery loss of comprehensive movement.
Advantageous effects of the invention: considering Ship Swaying and in the case of disregarding Ship Swaying, exist significantly compared with
High-frequency fluctuating power exists, the fluctuating power of this upper frequency to have in terms of the composition and Capacity Selection of energy storage device compared with
Big influence can not only stabilize frequent power swing using super capacitor+battery mixed energy storage system, while to drop
The economy of low energy storage total system has preferable effect, improves the stability to new energy marine system.
Detailed description of the invention
Fig. 1 is summary of the invention techniqueflow chart；
Fig. 2 a Fig. 2 b is the schematic diagram for determining super capacitor capacity.
Specific embodiment
Further describe the present invention with reference to the accompanying drawing.Content described in attached drawing is intended merely to introduce original of the invention
Reason, rather than be used to limit the scope of the present invention.
The present invention is for the new energy ship under comprehensive movement, including generating equipment (photovoltaic panel, diesel-driven generator), load
And energy storage device, it is contemplated that the movement of vessel position and swing of ship, geographic latitude and longitude, weather conditions, time factor,
Marine environment and ship own characteristic factors, the present invention relates to the capacity determining methods of hybrid energy-storing, specifically include as follows
Step:
Step 1) segmentation counts sea situation under different periods difference segment, marine wind speed, wave height, corresponding wind scale etc. to ship
Rolling generates the range of main affecting parameters, generates Scenario Ki；And count the relevant parameter of certain model ship.
Step 2) is modified by the analysis to long crested waves random seaway and by sea situation, wave to slope of wave surface, according to
According to the roll angle for acquiring ship rolling motionRolling is in 6 freedom degrees of ship movement to the maximum freedom of influence of ship-body
One of degree.
Step 3) the determines ship ground external irradiation degree E at PV (photovoltaic panel) plate of any time under sail, such as formula (1) institute
Show.To be divided into time it is sufficiently small, then photovoltaic panel inclination angle is fixed, and inclining between different periods within each period
Angle is different.On the basis of fixed angle irradiation level according to formula (2), outer solar irradiance is modified formula (3) over the ground, right first
Declination angle Ec, latitude D where photovoltaic panelu, photovoltaic panel inclination angle B, solar hour angle ω and photovoltaic panel azimuth γ repaired
Just.Wherein, LuFor real-time latitude, DuFor real-time longitude.
E=Encosi (1)
Lu=L0-(180/π)(V0/r)(t/3600)sin(JD) (2)
Du=D0-(180/π)(V0/r)(t/3600)cos(JD) (3)
In formula: JD is ship course, i.e. the angle of ship axis and positive south orientation；R is the mean radius of the earth, and value is
6371.39km；L0、D0For t0The latitude and longitude at moment.
Step 4) calculates the irradiation on photovoltaic panel inclined surface with only two kinds of situations of translational motion in ship craft integrated movement
Spend HT, wherein solar global irradiance includes direct illumination, diffusing reflection (HF) (diffusing reflection from water vapour, cloud layer and his air dust particle)
Irradiation level (H is shone with reflected lightS) (reflection from ground and sea level) three parts, such as shown in (4).
HT=HT+HS+HF (4)
Step 5) is (comprehensive according to the output power Py that the irradiation level calculated respectively obtains PV plate on ship under comprehensive move
Under resultant motion) and Pk (only translational motion), SC (super capacitor) herein be used to absorb this part photovoltaic fluctuation power, load
Fluctuating power is then undertaken by battery, and as shown in Figure 2 a, we need to calculate super capacitor for us and hold at the available PT moment
At the time of amount；
Step 6) different season, the output power of PV system are different, to allow SC perfectly to receive photovoltaic wave
Dynamic power, it should the maximum value of energy be received to multiple voyage super capacitor energy-storage link to design the capacity of super capacitor.It is logical
Cross Fig. 2 b and formula (7), (8), (9), (10) can be designed the capacity C of super capacitorsc,min, Csc,minFor needed for fluctuating power
The minimum SC capability value wanted.ESc, ratedFor the least energy of storage；The voltage rating of SC is Vref, most big end voltage is VSc, max。
ESc, rated=Δ Esc/0.75 (9)
Step 7) carries out the installation certain situation of super capacitor after the minimum capacity of known super capacitor.According to super
Capacitor minimum capacity, the voltage rating of selected SC, monomer rated capacity, absolute maximum electric current determine installation supercapacitor group
Series-parallel number, to obtain the total volume of SC, the occupied area of equipment, if considering insulation safety, heat dissipation, maintenance maintenance
It needs, the occupied space of SC can be bigger.
Claims (4)
1. a kind of method that solar energy ship improves battery loss under comprehensive movement, it is characterized in that:
1) it according to practical course line, is counted by historical data and main influence is generated on ship rolling under different periods difference segment
The range of parameter, and more scenes are generated using the sampling of overpull fourth cube, the main affecting parameters include sea situation, sea turn
Speed, wave height, corresponding wind scale；
2) ship design parameter is obtained according to the model of navigating ship, the ship design parameter includes water plane coefficient, row
Water volume, type be wide, moldeed depth；
3) long crested waves random seaway is analyzed, and is modified by sea situation, ship design parameter and wave to slope of wave surface,
Obtain the fluctuation situation at ship rolling angle；
4) parameters revision is carried out on the basis of fixed angle irradiation level calculates, the photovoltaic of determine ship any time under sail
Ground external irradiation degree at plate；
5) consider ship craft integrated movement and carry out two kinds of situations of translational motion only to calculate the irradiation level on photovoltaic panel inclined surface；
6) output power of the photovoltaic panel plate under above two motion conditions is respectively obtained according to the irradiation level calculated, it is super
Capacitor is used to absorb herein this part photovoltaic fluctuation power, and the fluctuating power of load is undertaken by battery；
7) maximum value of energy is received with multiple voyage super capacitor energy-storage link to design the capacity of super capacitor；
8) capacity of another part, battery determines then according to identified objectives, load condition, diesel engine situation and ship
Oceangoing ship run when operation conditions and determine；
9) after determining the minimum capacity of super capacitor, the quantity and occupied area of super capacitor are determined.
2. the method that solar energy ship according to claim 1 improves battery loss under comprehensive movement, it is characterized in that
It is described to carry out parameters revision on the basis of fixed angle irradiation level calculates, the photovoltaic panel of determine ship any time under sail
The ground external irradiation degree at place specifically includes:
Determine ship ground external irradiation the degree E, E=E at the photovoltaic panel plate of any time under sailnCos i, EnFor photovoltaic panel with
The earth relative position fixes, when solar incident ray is perpendicular to photovoltaic panel plane at this time, photovoltaic panel from the sun from obtain
Irradiation level, i are incidence angle of the sunlight to photovoltaic panel；According to formula L on the basis of fixed angle irradiation levelu=L0-(180/π)
(V0/ r) (t/3600) sin (JD), formula Du=D0-(180/π)(V0/ r) (t/3600) cos (JD) over the ground outer solar irradiance into
Row is corrected, wherein V0For the speed of a ship or plane of ship, t is that ship leaves the time persistently travelled behind departure place, first to declination angle
Ec, longitude, photovoltaic panel inclination angle B, solar hour angle ω and photovoltaic panel azimuth γ where photovoltaic panel be modified, wherein LuFor reality
Shi Weidu, DuFor real-time longitude, JD is the angle of ship course, i.e. ship axis and positive south orientation, r for the earth mean radius,
Value is 6371.39km, L0、D0For t0The latitude and longitude at moment.
3. the method that solar energy ship according to claim 2 improves battery loss under comprehensive movement, it is characterized in that
The irradiation level calculated on photovoltaic panel inclined surface specifically includes: the irradiation level H on inclined surfaceT=HZ+HS+HF, wherein HZ
For direct illumination irradiation level, HFFor diffusing reflection irradiation level, HSIrradiation level is shone for reflected light.
4. the method that solar energy ship according to claim 3 improves battery loss under comprehensive movement, it is characterized in that
It is described to receive the maximum value of energy to specifically include to design the capacity of super capacitor with multiple voyage super capacitor energy-storage link: logical
Cross formulaESc, rated=
ΔEsc/0.75、Design the capacity C of super capacitorsc,min, Csc,minFor fluctuating power
Required minimum super capacitor capability value, ESc, ratedFor the least energy of storage；The voltage rating of super capacitor is Vref, most
Big end voltage is VSc, max, Δ ESCFor super capacitor release/absorption energy；t1, t2, t3... ... sequentially indicate that smooth power is bent
Line and n intersection point moment for swaying power curve；PKOnly to consider the mobile photovoltaic panel in the case where not considering Ship Swaying of ship
The smooth power of output, PyFor the wave for considering the photovoltaic panel output under the mobile synthesis motion conditions with Ship Swaying of ship simultaneously
Dynamic power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085994.5A CN106849319B (en) | 2017-02-17 | 2017-02-17 | The method that solar energy ship improves battery loss under comprehensive movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085994.5A CN106849319B (en) | 2017-02-17 | 2017-02-17 | The method that solar energy ship improves battery loss under comprehensive movement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106849319A CN106849319A (en) | 2017-06-13 |
| CN106849319B true CN106849319B (en) | 2019-09-27 |
Family
ID=59128492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085994.5A Active CN106849319B (en) | 2017-02-17 | 2017-02-17 | The method that solar energy ship improves battery loss under comprehensive movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849319B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351710A (en) * | 2017-07-17 | 2017-11-17 | 西安迅湃快速充电技术有限公司 | The determination method of capacitance group minimum capacitance in a kind of bidirectional DC/DC electricity electric mixed dynamic system of discharge and recharge and the system |
| CN118232831A (en) * | 2024-03-05 | 2024-06-21 | 中国海洋大学 | Ship photovoltaic power generation power prediction method considering ship navigation attitude coupling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620706A (en) * | 2016-02-19 | 2016-06-01 | 武汉理工大学 | Ship electric propulsion system with harmonic suppressing and regenerative braking functions and control method |
| CN205489618U (en) * | 2016-01-18 | 2016-08-17 | 武汉理工大学 | Compound energy storage system of electrically propelled ship oceangoing ship based on super capacitor and battery |
| CN106059449A (en) * | 2016-06-15 | 2016-10-26 | 哈尔滨工程大学 | Device for mounting photovoltaic cell panel on ship |
| CN106364651A (en) * | 2016-10-10 | 2017-02-01 | 长沙绿航节能科技有限公司 | Comprehensive ship electric propelling system and using method |
-
2017
- 2017-02-17 CN CN201710085994.5A patent/CN106849319B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205489618U (en) * | 2016-01-18 | 2016-08-17 | 武汉理工大学 | Compound energy storage system of electrically propelled ship oceangoing ship based on super capacitor and battery |
| CN105620706A (en) * | 2016-02-19 | 2016-06-01 | 武汉理工大学 | Ship electric propulsion system with harmonic suppressing and regenerative braking functions and control method |
| CN106059449A (en) * | 2016-06-15 | 2016-10-26 | 哈尔滨工程大学 | Device for mounting photovoltaic cell panel on ship |
| CN106364651A (en) * | 2016-10-10 | 2017-02-01 | 长沙绿航节能科技有限公司 | Comprehensive ship electric propelling system and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106849319A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Estimation of PV output power in moving and rocking hybrid energy marine ships | |
| Lan et al. | Optimal sizing of hybrid PV/diesel/battery in ship power system | |
| Qi et al. | RETRACTED: Sustainability analysis of a hybrid renewable power system with battery storage for islands application | |
| Katsaprakakis | Hybrid power plants in non-interconnected insular systems | |
| CN107273586A (en) | A kind of inexpensive suppressing method of photovoltaic fluctuation power for solar energy ship | |
| CN106849319B (en) | The method that solar energy ship improves battery loss under comprehensive movement | |
| Juangsa et al. | Design of an airborne vertical axis wind turbine for low electrical power demands | |
| Stocks et al. | Towards 100% renewable electricity for Indonesia: The role for solar and pumped hydro storage | |
| Tran et al. | Assessing the wind energy for rural areas of Vietnam | |
| de Jong et al. | Photovoltaic Potential of the Dutch Inland Shipping Fleet: An Experimentally Validated Method to Simulate the Power Series from Vessel‐Integrated Photovoltaics | |
| Kapuścik et al. | AGH Solar Boat–the analysis of energy and ecological parameters of the solar powered boat | |
| Saleque et al. | Drivetrain design and feasibility analysis of electric three-wheeler powered by renewable energy sources | |
| Hubert et al. | Renewable electricity potentials in France: A long term Perspective | |
| Murai et al. | A study on an experiment of behavior of a SPAR type offshore wind turbine considering rotation of wind turbine blades | |
| CN104113083B (en) | Under a kind of high permeability, new forms of energy access and energy reserve control method for coordinating | |
| Silinto et al. | Feasibility Study of Solar-Wind Hybrid Power System for Rural Electrification at the Estatuene Locality in Mozambique | |
| Orecchini et al. | A technological solution for an everywhere energy supply with sun, hydrogen, and fuel cells | |
| Lu et al. | Research on environmental energy-driven intelligent unmanned underwater vehicles and their key technologies | |
| CN112583036A (en) | Distributed energy storage capacity configuration mode of multi-energy ship | |
| Curto et al. | Supplying small islands with solar, wind and sea wave. An economic approach to find the best energy share | |
| Zeńczak et al. | Experimental Research of the Impact of Ship’s Rolling on the Performance of PV Panels | |
| Rivkin et al. | Wind energy | |
| Abd Jamil | Optimization of the capacity factor of energy ships for far-offshore wind energy conversion using weather-routing | |
| Longino et al. | Different Heights Monthly and Yearly Mean Wind Speeds Investigation Using a Weibull Model: A Case of Short Ferry Route | |
| Fagiano et al. | Offshore high-altitude wind energy using controlled airfoils |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |