Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
Shown in composition graphs 1, Fig. 2 and Fig. 3, be respectively the overall principle schematic of the boats and ships wind-light storage wave energy comprehensive utilization electricity generating device that the utility model provides, side fitting arrangement and top view layout, boats and ships wind-light storage wave energy comprehensive utilization electricity generating device, comprising: boats and ships photovoltaic generating system, boats and ships wind-power generating system, boats and ships Wave energy generating system, boats and ships lithium battery energy storage battery system, direct current grid-connected system, inversion system with exchange grid-connected system; Described boats and ships photovoltaic generating system, described boats and ships wind-power generating system, described boats and ships Wave energy generating system and described boats and ships lithium battery energy storage battery system are all parallel-connected to the input end of described direct current grid-connected system, and the output terminal of described direct current grid-connected system is connected with described interchange grid-connected system by described inversion system.Concrete, the 1st controlled AC/DC grid type rectifier that described boats and ships wind-power generating system comprises boats and ships wind-power generating system body and is connected with the output terminal of described boats and ships wind-power generating system body; The 2nd controlled AC/DC grid type rectifier that described boats and ships Wave energy generating system comprises boats and ships Wave energy generating system body and is connected with the output terminal of described boats and ships Wave energy generating system body; The two-way controlled DC/DC grid type energy storage device that described boats and ships lithium battery energy storage battery system comprises lithium battery energy storage battery system and is connected with the output terminal of described lithium battery energy storage battery system; Described controlled DC/DC parallel networking type photovoltaic transducer, described 1st controlled AC/DC grid type rectifier, described 2nd controlled AC/DC grid type rectifier and described two-way controlled DC/DC grid type energy storage device are parallel-connected to the DC bus row of described direct current grid-connected system.
Below above-mentioned each main modular is introduced respectively in detail:
1, inversion system
Inversion system is grid type DC/AC inverter, boosting transformer, active filter, the dynamic reactive compensation circuit of series connection and exports automatic air circuit breaker.
120VDC DC power conversion is the Ac of 120V60Hz by grid type DC/AC inverter, the Ac peculiar to vessel of 440V60Hz is transformed to after boosting transformer, this Ac further increases the quality of power supply through active power filtering (APF) and dynamic passive compensation (SVG) process, synchronously grid-connected on the bus bar of Ship Power Station by air circuit breaker ACB1, like this electricity access Ship Electrical Power System that wind-light storage wave energy sends, reduce the power stage of marine diesel generator simultaneously, thus reach fuel-economizing object.
Grid type DC/AC inverter is introduced:
Boats and ships wind-light storage wave energy comprehensive utilization electricity generating device is equipped with the integrated machine for reverse conversion of 105kW, working method is continuous, the mode of connection is: phase three-wire three, DC voltage is not less than 120-400V, VDC ripple VPP<4%, specified line voltage: 440VAC, allow mains frequency 59.3Hz ~ 60.5Hz, allow line voltage: 440V ± 10%, current waveform distortion rate (THD)≤3%, maximum inversion efficiency >96%, power factor is controlled-0.8 ~ 0.8.
This DC/AC inverter has DC overvoltage protection, overcurrent protection, input reverse-connection protection, short-circuit protection, ground fault protection (having fault detection capability), under-voltage/overvoltage protection, overload protection, overtemperature protection, mistake/underfrequency protection, three-phase imbalance protection and warning, phase protection and resistance to earth monitoring and warning function.
This DC/AC inverter has active power regulation ability, and controls the output of its active power according to upper-position unit instruction; For realizing active power regulation function, should be able to receive and automatically perform upper-position unit send active power controller signal, automatically regulate meritorious output according to grid-connected side electric voltage frequency, PC control instruction, guarantee that its maximum output and power variation rate are no more than setting value.There is the ability of certain tolerance system frequency abnormality, lower operation should be able to be departed from by mains frequency.There is communication interface, can with Ship Power Station PMS, electric energy quality monitoring and administration module real-time communication communication.
This DC/AC inverter has operating mode and working state, enters all patterns or state, operator must can by local and remote control operation they.Comprise charge function and discharging function under grid-connect mode, automatic mode and manual mode can be selected.In automatic mode, if select grid-connected charge or discharge state, inverter will carry out charge or discharge with default value to storage battery.In a manual mode, user can manually revise charge or discharge electric current, voltage and time value, makes inverter be operated in the charge or discharge state of setting.
Active power filtering (APF) circuit:
Active power filtering carrys out filtering by initiatively sending reverse harmonic wave (so-called active), the basis of the working principle of active filter is " cancellation compensation ", in order to harmonic carcellation electric current in electric power three-phase system, wave filter, like this can harmonic carcellation completely by calculating and injecting identical harmonic wave with antipodal direction.Based on same working principle, active filter can corrected output factor, produces three phase sine shape current wave, meets burden requirement.
Active Power Filter-APF utilizes full control power electronic element to meet and requires high shipborne equipment to the quality of power supply (power factor and harmonic wave).APF device is connected in parallel between electrical distribution system and ship equipment, its major function is when producing harmonic and reactive currents when load side in boats and ships wind-light storage wave energy comprehensive utilization electricity generating device power supply process, ensure that the electric current of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device side does not have harmonic and reactive currents, make other key work center method of boats and ships be able to normally run in approximate interference-free electric circumstance, and can not electrical network be polluted.
Active power filter device adopts based on the master controller of two CSTR and the layered distribution type controller system of module driver, and adopt the man-machine interface based on color touch screen, there is the compensation of dynamic continuously smooth, fast response time, digitizing, automation, intellectuality, man-machine interface is friendly, the features such as controlling method is flexible.
Active power filtering APF response time < 100 μ s, totally linearization time < 5ms; Internal structure is the design of 3H bridge, good heat dissipation effect, and operation stability is high; Power loss is little, full load≤be less than 3% of module total capacity; Low Noise Design ,≤65dB (professional standard 65dB); Harmonic filtration rate > 95%; Power factor > 0.98; Compensation way flexibly, selected each harmonic compensates can carry out amplitude setting.
Dynamic passive compensation (SVG) circuit:
Automatically regulate idle output according to signals such as boats and ships wind-light storage wave energy comprehensive utilization electricity generating device grid-connected side voltage levvl, PC control instructions, the parameters such as its regulative mode, reference voltage, voltage regulation factor, power factor can by upper-position unit remote setting.
SVG adopt can turn off power electronic devices composition from commutation bridge circuit, be connected in parallel on electrical network by reactor, suitably regulate amplitude and the phase place of bridge circuit AC output voltage, or direct its ac-side current of control.Rapid absorption or send required wattless power, realizes the idle object of quick dynamic adjustments to reach.It not only can follow the tracks of the inrush current of impingement load, also can also carry out tracing compensation to harmonic current.Comprise DC capacitor and inverter bridge two parts, wherein inverter bridge is made up of the semiconductor devices IGBT that can turn off.At work, by regulating the IGBT device switch in inverter bridge, can control DC inversion to the amplitude of the voltage of interchange and phase place, therefore, whole SVG is equivalent to a phase modulation power supply.By required idle in detection system, can send contrary idle of equal and opposite in direction, phase place fast, realize idle in-situ balancing, keeping system practical work height high rate factor runs.
SVG power factor adjustment range is-0.8 ~+1; Response time < 100 μ s, totally linearization time < 5ms; Internal structure is the design of 3H bridge, good heat dissipation effect, and operation stability is high; Power loss is little, full load≤be less than 3% of module total capacity; Low Noise Design ,≤65dB (professional standard 65dB).
2, grid-connected system is exchanged
Exchange grid-connected system and comprise AC bus bar and multiple Ship Power Stations bus bar interconnection switch; Described AC bus bar Ship Power Station bus bar interconnection switch described in each in parallel, each described Ship Power Station bus bar interconnection switch is installed on the power supply line of powering to boats and ships consumer.
3, boats and ships photovoltaic generating system
It is realize ship energy saving to reduce discharging and one of the inevitable choice of enhancing competitiveness that solar energy develops on boats and ships, is also focus and the development trend of green ship research, has high cost performance, novelty and use value.And weather, sea situation and boats and ships navigating area are the deciding factors affecting solar electrical energy generation.Traditional solar energy generation technology, solar energy only generates electricity and the impact changed by sunlight exposure intensity daytime, causes traditional solar power plant to leave unused night thus, has the deficiency that Utilization ratio is low.
For in traditional solar energy generation technology, solar energy only generates electricity and the impact changed by sunlight exposure intensity daytime, traditional solar power plant is caused to leave unused night thus, there is the problem that Utilization ratio is low, the utility model provides boats and ships photovoltaic generating system, adopts the rollable solar energy film of sail pattern, and, rollable solar energy film is supported by telescoping shoring column, can launch as required or pack up.On daytime, by the Altitude control to telescoping shoring column, make solar energy film from the strongest direction of motion tracking sunlight and adjust at wind resistance minimum position, improving solar power generation efficiency.In evening, solar energy film is holded up and is used as sail, and automatic adjusting position absorbs wind energy, utilizes sail to provide augmented thrust for boats and ships, thus improves the utilization ratio of solar power plant comprehensively.
Concrete, the boats and ships photovoltaic generating system that the utility model provides, comprising: rollable photovoltaic cell film 1 and telescoping shoring column 2; Rollable photovoltaic cell film 1 is fixed on ship deck by telescoping shoring column 2.Therefore, regulate by carrying out height to telescoping shoring column, make solar panel work in different operating state, as shown in Figure 4, during for fine day in the daytime, the schematic diagram of solar panel generating state; As shown in Figure 5, at night or cloudy day, solar panel is as the schematic diagram of sail state.
The boats and ships photovoltaic generating system that the utility model provides, is arranged in the diverse location on deck according to captain and width, only otherwise affect ship loading and unloading goods, do not affect vessel stability and intensity, convenient operating maintenance is simple, safe and reliable.
Below rollable photovoltaic cell film and telescoping shoring column are introduced respectively in detail:
(1) rollable photovoltaic cell film
Rollable photovoltaic cell film 1 comprises rollable thin film solar cell plate, substrate and canvas; The rollable bottom of thin film solar cell plate is fixedly connected with the end face of substrate; The bottom surface of substrate is fixed on canvas.Wherein, substrate preferably adopts plastics.
Rollable photovoltaic cell film flexible arrangement, its length can by according to actual demand adjustment, keep flat absorption solar energy daytime, cloudy day and can erect night be used as sail propelling.
The rollable photovoltaic cell film that the utility model provides, has following innovation:
(1) rollable photovoltaic cell film uses cheap plastics to make substrate, significantly decreases raw material dosage and cost than silicon wafer solar cell.
(2) rollable photovoltaic cell film and substrate plastic tie are combined on canvas, can improve intensity and amount of deflection, also can extend the working life of photovoltaic cell film.
Concrete, because ship deck is steel, burning sun irradiates lower extreme temperatures, and canvas can protect photovoltaic cell not affect by the scorching hot of deck.
(3) adopt rollable photovoltaic cell film as solar cell, there is flexible arrangement, not by the restriction of ship deck shape.
Such as, rollable photovoltaic cell film can span to boats and ships left and right ship side, height two meters suitable, below P Passable.
Rollable photovoltaic cell film can be arranged on the outer wall surface of ship superstructure, absorbs solar radiant heat, reduces boats and ships living space temperature, it also reduces Marine Air Conditioning load and realize energy-conservation.
Rollable photovoltaic cell film can be arranged on the deck in bridge front, now, reflected light need be avoided to bridge, prevent affecting Jia Shi person and look at, the height of four scalable frame spud legs can be adjusted manually or automatically, change solar panel to correct position.
Rollable photovoltaic cell film can be arranged on bridge both wings and top, and rollable photovoltaic cell film is as ceiling, and rain cover is lowered the temperature, and can reduce the load of Marine Air Conditioning equally and realize energy-conservation.
(4) in practical application, be installed on the rollable photovoltaic cell film of ship deck diverse location by after in parallel and series connection, focus on header box, be connected to DC/DC parallel networking type photovoltaic module, after photovoltaic electric energy is transformed to 120 ± 5VDC direct current by DC/DC parallel networking type photovoltaic module, deliver to DC bus row, finally for all kinds of consumers on boats and ships are powered.Wherein, DC/DC parallel networking type photovoltaic module has the functions such as polarity protection, over-current over-voltage protection, anti-reverse current protection.
(2) telescoping shoring column
Telescoping shoring column for adjusting the angle of rollable photovoltaic cell film, thus improves the utilization ratio of rollable photovoltaic cell film.Concrete, telescoping shoring column 2 comprises four support spud legs 3; Each support spud leg 3 is arranged in the corner location of rollable photovoltaic cell film 1, by four support spud legs 3, supports rollable photovoltaic cell film 1.
Daytime and under non-overcast sky, according to the strongest direction of light that light intensity sensor detects, the height of each support spud leg of adjustment telescoping shoring column, makes rollable photovoltaic cell film tilt 6 degree towards light intensity direction, from motion tracking light intensity direction.Under night or overcast sky, according to the wind-force navigation supported information that wind direction sensor detects, the height of each support spud leg of adjustment telescoping shoring column, makes photovoltaic cell film raise 45-75 degree in direction windward, uses as sail automatically.
When it is emphasized that rollable photovoltaic cell film does sail use, by the height of each support spud leg of adjustment telescoping shoring column, and then regulate the inclination angle of rollable photovoltaic cell film a certain angle in peripheral direction, absorbing wind-force is boats and ships navaid.But the precondition of rollable photovoltaic cell film sail-assisted propulsion can not produce for boats and ships the resistance that moves ahead, and time with the wind, effect is better, and crosswind takes second place, inapplicable time against the wind.Rollable photovoltaic cell film sail-assisted propulsion is higher than the efficiency of wind-driven generator, better effects if.
Introduce the structure of support spud leg below in detail:
As shown in Figure 6, be the structural representation of support spud leg; As shown in Figure 7, be the drawing in side sectional elevation of Fig. 6; Each support spud leg 3 includes: fixed pedestal 3.1, outer sleeve 3.2, inner column 3.3, motor rotor 3.4, motor stator 3.5 and three-phase windings power supply;
Inner column 3.3 is threaded connection the inner chamber that mode is arranged on outer sleeve 3.2, concrete, and inner column 3.3 is provided with outside thread; The internal cavity of outer sleeve 3.2 is provided with internal thread; Outside thread and internal thread engagement, in the diagram, namely 3.8 represent thread engagement, can realize being threaded of inner column 3.3 and outer sleeve 3.2.
The bottom fixed installation motor rotor 3.4 of outer sleeve 3.2, when motor rotor rotates, drives outer sleeve synchronous axial system; In practical application, motor rotor 3.4 can adopt mouse cage sliver, and the shape of mouse cage sliver is identical with the shape of outer sleeve 3.2, is fixed on the bottom of outer sleeve 3.2.
Surround in the outside of motor rotor 3.4 and arrange motor stator 3.5, motor stator 3.5 adopts three-phase perception asynchronous motor stator;
Motor rotor 3.4 is rotatably arranged on the end face of fixed pedestal 3.1, and the bottom surface of fixed pedestal 3.1 is fixed on ship deck; In addition, three-phase windings power supply is electrically connected with motor stator 3.5.The top of inner column 3.3 is provided with articulated elements 3.6; Articulated elements 3.6 is for connecting rollable photovoltaic cell film 1.
Its working principle is:
By changing three-phase windings power supply (110Vac/60Hz) phase sequence of motor stator, control support spud leg motor forward/backward rotation.That is: when positive phase sequence power supply connected by motor stator, motor cage rotor turns clockwise, and because of this rotor and outer sleeve one, then outer sleeve also turns clockwise, and by thread engagement, inner column is moved down, and then turns down the height of photovoltaic film; When negative-phase sequence power supply connected by motor stator, motor cage rotor is rotated counterclockwise, then outer sleeve is also rotated counterclockwise, and makes inner column moves, heighten photovoltaic film by thread engagement.
In practical application, for extending the working life of each support spud leg, also comprise outside protective covers 3.7; Outside protective covers 3.7 is enclosed within the outside of outer sleeve 3.2 and inner column 3.3, and the top of outside protective covers 3.7 and the top of inner column 3.3 are fixed, and can carry out synchronization lifting with the lifting action of inner column 3.3.
For realizing the automatic adjustment of support spud leg height, and then automatically adjusting the angle of inclination of rollable photovoltaic cell film, also comprising: controller, light intensity sensor and wind direction sensor; Controller is connected with the three-phase windings power supply of light intensity sensor, wind direction sensor and each support spud leg 3 respectively.
Empirical tests, the boats and ships photovoltaic generating system that the utility model provides, can normally work under severe cold and severe thermal conditions, operating temperature range is-25 DEG C ~+55 DEG C, there is good preventing thunder earthing design, meet thunderbolt shield subarea, lightning protection class requirement that classification is determined, the contact resistance of each tie point should be less than 10 ohm; Meet requirement peculiar to vessel, convenient construction and easy to maintenance, interchangeability is good, compatible good, and be convenient to management, whole service life should more than 25 years.
As can be seen here, the boats and ships photovoltaic generating system that the utility model provides, adopt the rollable solar energy film of sail pattern, and rollable solar energy film is supported by telescoping shoring column, can launch as required or pack up.On daytime, by the Altitude control to telescoping shoring column, make solar energy film from the strongest direction of motion tracking sunlight and adjust at wind resistance minimum position, improving solar power generation efficiency.In evening, solar energy film is holded up and is used as sail, and automatic adjusting position absorbs wind energy, utilizes sail to provide augmented thrust for boats and ships, thus improves the utilization ratio of solar power plant comprehensively.
4, boats and ships wind-power generating system
The utility model provides a kind of boats and ships wind-power generating system, by wind turbine Direct driver permanent magnet generator, thus effectively improves wind energy power efficiency.Below by two embodiments, the utility model is described in detail:
Embodiment one
As shown in Figure 8, be the structural representation of the boats and ships wind-power generating system that the present embodiment provides, comprise: fixed pedestal 11, Rotary cloumn 12, permanent magnet generator 13 and wind turbine 14;
Wherein, the two ends of Rotary cloumn 12 are separately installed with column rolling bearing 15, and Rotary cloumn 12 is rotatably installed on fixed pedestal 11; The end face of Rotary cloumn 12 is fixedly connected with the bottom surface of wind turbine 14;
Permanent magnet generator 13 comprises rotor of permanent-magnetic power generator 13.1, permanent magnet, permanent magnet generator stator 13.2 and threephase AC output interface 13.3; Rotor of permanent-magnetic power generator 13.1 is fixed on the side of Rotary cloumn 12; Rotor of permanent-magnetic power generator 13.1 fixedly mounts the permanent magnet that S pole, N pole replaces; Surround in the outside of rotor of permanent-magnetic power generator 13.1 and permanent magnet generator stator 13.2 is set, and permanent magnet generator stator 13.2 is fixed on fixed pedestal 11, embed three-phase windings in the inside of permanent magnet generator stator 13.2; When rotor of permanent-magnetic power generator 13.1 rotates, drive permanent magnet synchronous axial system, and then the magnetic field that cutting permanent magnet generator stator 13.2 produces, by threephase AC output interface 13.3, export threephase AC.
Its working principle is:
Wind turbine and Rotary cloumn are fixed together, and wind turbine absorbs the wind energy in all directions and driven rotary column rotates.When Rotary cloumn rotates, because rotor of permanent-magnetic power generator is fixed on Rotary cloumn, rotor of permanent-magnetic power generator is installed the permanent magnet that S pole, N pole replaces, therefore, when wind energy effect wind turbine rotates, driven rotary column and rotor rotate, epitrochanterian permanent magnet cutting stator three-phase windings, so permanent magnet generator exports 120V60Hz threephase AC.
The boats and ships wind-power generating system that the present embodiment provides, the diverse location on deck according to captain and width flexible arrangement, and data adjust flexibly according to actual conditions, only need meet following basic arrangement principle: the wind-power generating system that deck is arranged so that ship loading and unloading goods can not be affected, do not affect vessel stability and intensity, convenient operating maintenance is simple, safe and reliable for principle.
In practical application, the pedestal of wind-power generating system is fixed on the dry separation position between cabin, and wind turbine height 3m, diameter 1m that top, deck rotates are suitable, and wind turbine removes and installs to be needed conveniently.
In the utility model, wind-power generating system produces the Ac of amplitude and change of frequency, is direct current by the rectification of AC/DC module.Wind turbine takes into account wide tip-speed ratio and noise reduction Aerodynamic optimization design, and pneumatic efficiency is higher than 0.4, and noise is lower than 65db.Blade adopts gel coating resin and reinforcing glass fiber to make, and can ensure safe operation at high speed.Wind-driven generator adopts ferromagnetic material, top grade bearing, and F class B insulation IP54 protects, and by non-maintaining Technology design, ensures more than 30000 hours working life, without the need to maintenance of disintegrating in lifetime.Wind turbine adapts to high rotating speed, but maximum speed is no more than 3600r/min.
The wind-power generating system that the present embodiment provides, by wind turbine Direct driver permanent magnet generator, catches wind energy to greatest extent, for boats and ships provide electric power, has the advantages that generating efficiency is high.
Embodiment two
As shown in Figure 9, the structural representation of the boats and ships wind-power generating system provided for the present embodiment.The present embodiment further improves on the basis of embodiment one, and the basis of embodiment one increases cycloid thruster 16 and telescoping catheter 17; The boats and ships wind-power generating system that the present embodiment provides, mainly be installed on boats and ships afterbody, and at the symmetrical installation of boats and ships afterbody two wind-power generating systems, for each wind-power generating system, telescopic cycloid thruster is installed in bottom, as required can directly for boats and ships provide Driving force.
Concrete, the bottom of Rotary cloumn 12 extends to the below of fixed pedestal 11 through fixed pedestal 11; Be positioned at the outside of below fixed pedestal 11 one section of Rotary cloumn 12, sheathed telescoping catheter 17, and the end face of telescoping catheter 17 is fixedly connected with the bottom surface of fixed pedestal 11;
The bottom of Rotary cloumn 12 can be slided up and down by feather key installs cycloid thruster 16, and when cycloid thruster 16 upward sliding is to when all entering telescoping catheter 17, cycloid thruster 16 and Rotary cloumn 12 are thrown off; When cycloid thruster 16 slide down to all be positioned at outside telescoping catheter 17 time, cycloid thruster 16 and Rotary cloumn 12 are fastened.
Its working principle is:
The symmetrical installation of boats and ships afterbody two wind turbine generators, and Rotary cloumn 12 runs through the bottom steel plate of boats and ships afterbody, at Rotary cloumn lower end feather key fixed installation cycloid thruster; When cycloid thruster rising all enters in telescoping catheter, cycloid thruster leaves sea, and cycloid thruster and Rotary cloumn are thrown off and quit work; When cycloid thruster comes out completely from telescoping catheter, cycloid thruster is fixed on Rotary cloumn through feather key and rotates with rotary stereo simultaneously, cycloid thruster also all enters seawater certain depth simultaneously, thus provide propelling force for boats and ships, now can disconnect the output of wind power magneto generator, such wind energy only for advancing, decreases generating link, makes wind energy utilization can be higher.
The boats and ships wind-power generating system that the utility model provides, according to actual needs, also further can improve, e.g., also comprise brake controller; Brake controller is electrically connected with permanent magnet generator 13 and wind turbine 14 respectively.Again such as, wind turbine Direct driver permanent magnet generator, is furnished with grid type AC/DC module and wind-force, wind direction, position-detection sensor, servo-control system, and then box haul adjustment automatically; Blower fan turbine heights also adjustable.
In sum, the boats and ships wind-power generating system that the utility model provides, has the following advantages:
(1) wind turbine Direct driver wind-driven generator, catches wind energy to greatest extent, for boats and ships provide electric power, has the advantage that power supply efficiency is high.
(2) wind turbine motor spindle drives cycloid thruster to rotate, produce thrust power directly to boats and ships, absorb larger wind energy, keep wind-driven generator working stability, for boats and ships provide electric power directly can also produce thrust simultaneously, further increase wind energy utilization efficiency.
5, boats and ships lithium battery energy storage battery system
In conjunction with Figure 10, the utility model provides a kind of boats and ships lithium battery energy storage battery system, can effective stable DC busbar voltage, concrete, comprising: bank electricity 21, isolating transformer 22, controlled rectification AC/DC unit 23, lithium battery energy storage battery unit 24, grid type controllable bidirectional DC/DC unit 25 and battery management unit; Between bank electricity 21 and isolating transformer 22, bank electric switch 27 can be installed;
Bank electricity 21, after isolating transformer 22, is connected to one end of controlled rectification AC/DC unit 23; The other end of controlled rectification AC/DC unit 23 is connected to one end of lithium battery energy storage battery unit 24, and the other end of lithium battery energy storage battery unit 24 is connected to the DC bus row 26 of ship power supply by grid type controllable bidirectional DC/DC unit 25;
Battery management unit comprises: DC bus electric energy detection equipment and control circuit board; Wherein, DC bus electric energy detection equipment is DC bus current detecting sensor and/or DC bus-bar voltage detecting sensor.Input end and the DC bus of DC bus electric energy detection equipment are arranged 26 and are connected, the output terminal of DC bus electric energy detection equipment is connected to the input end of control circuit board, and the first output terminal of control circuit board is connected to the charge and discharge control interface of grid type controllable bidirectional DC/DC unit 25; Second output terminal of control circuit board is connected to the well-balanced adjustment control interface of lithium battery energy storage battery unit 24.
The boats and ships lithium battery energy storage battery system that the utility model provides, its working principle is:
Boats and ships pulled in shore between handling delivery date, and boats and ships connect bank electricity, and replacing Ship Power Station is on the one hand that full ship is powered; Pass through bank electric switch ACB, isolating transformer, controlled rectification AC/DC unit on the other hand to the energy storage of lithium battery energy storage battery unit, till being full of.When after boats and ships offshore, the electric energy stored by lithium battery energy storage battery unit can discharge in good time, through grid type controllable bidirectional DC/DC unit to DC bus, for marine vessel power is used.Grid type controllable bidirectional DC/DC unit is used for constant voltage DC bus, ensures that DC bus-bar voltage remains on 120VDC ± 5DC.
Visible, in the utility model, configuration connects the device of bank electricity, accumulators accumulation of energy during utilizing boats and ships to pull in shore.Storage battery adopts lithium cell, can fast charging and discharging, meets the standard of the higher dynamic characteristic in Ship Power Station and classification society rule, under solving special weather situation (as continuous rainfall sky or calm weather or wave less) electric power supply problem.In addition, configuration grid type controllable bidirectional DC/DC unit, according to DC bus state, can charge a battery, also can accumulators electric discharge.Capacity of battery is laid in, and connects the energy storage of bank electricity and use after boats and ships pull in shore.
In the utility model, the function of battery management unit BMS is:
(1) the first output terminal of the control circuit board of battery management unit is connected to the charge and discharge control interface of grid type controllable bidirectional DC/DC unit 25, the charging and discharging state of grid type controllable bidirectional DC/DC unit can be adjusted in real time according to DC bus situation, burning voltage, reduces solar energy and the impact of wind energy output power change to network of ship.
(2) the second output terminal of the control circuit board of battery management unit is connected to the well-balanced adjustment control interface of lithium battery energy storage battery unit 24, can avoid causing whole Battery pack performance and life-span to decline because monomer module battery behavior differs greatly.
Concrete, battery management unit can detect monomer battery voltage, battery pack terminal voltage and measure internal resistance of single cell; Carry out electric energy metrical and Accurate Prediction battery pack residual capacity; There is overvoltage, under-voltage and differential pressure warning function, can accurate looking up the fault battery.
Battery management unit has color touch screen display and shows, every batteries numbering and data thereof, the record of display fault history in display battery pack, and display clear data readability, is easy to operation; Possessing sound and light of alarm, when there being battery abnormal (comprise cell voltage is too high, too low, battery pack any point open circuit, battery short circuit etc.), acoustooptic alarm signal can be provided and can automatic Identification show abnormal battery and number; There is RS485 communication interface, the parameters such as battery voltage, fault history record can be uploaded to centralized watch device.Each battery voltage measurement port all adopts digitizing contact to carry out isolation to guarantee security of system stable operation; Can long-term work continuously, there is versatility.
The lithium battery energy storage battery system of the utility model design, also has following characteristics:
(1) 10000 times are greater than working life; Meet naked light, shock, thunder and lightning, short circuit at charge and discharge process peripheral, cross the various unexpected factors such as charge and discharge, burning or blast should not occur; Accumulator positive, negative terminal have distinguishing mark, are convenient to connect; Pond group housing, enclosing cover must not have distortion, crackle and stain, and it is clear to identify; Battery pack should possess complete installation connecting material, and provides the copper busbar of battery output; Battery pack joins metal steelframe or cabinet should have stronger steel framework and reserve ground installation fixed hole.
(2) lithium battery energy storage battery system is when wind/light energy is from Running State, can provide reference potential by grid-connected to seamlessly transitting from net, and to can be used as standby power supply be that boats and ships load is powered;
(3) lithium battery energy storage battery system comprises lithium cell and the battery management system BMS with communication function, energy-storage battery cabinet has good ventilation and heat design, BMS can with Ship Power Station PMS, electric energy quality monitoring and administration module real-time communication, and accept the scheduling of electric energy quality monitoring and administration module;
(4) lithium battery energy storage battery system automation runs, and running state is visual, the layout of lithium cell group and construction easy for installation, debugging, maintenance and maintenance;
(5) lithium battery energy storage battery system adopts indoor machine cabinet mounting type, and selected product Classification society standard, have product ID and examining report etc., all raw material etc. should review source.
In sum, the boats and ships lithium battery energy storage battery system that the utility model provides has the following advantages:
(1) Absorbable organic halogens DC bus-bar voltage, that is: DC bus-bar voltage increases to in limited time, is charged to lithium battery energy storage battery unit by grid type controllable bidirectional DC/DC unit; DC bus-bar voltage is prescribed a time limit lower than lower, and lithium battery energy storage battery unit is by grid type controllable bidirectional DC/DC cell discharge; Stabilize DC bus-bar voltage by lithium battery energy storage battery unit and grid type controllable bidirectional DC/DC unit, solve wind energy solar power unstable problem, keep the state that clean energy resource deposit is sufficient, for DC bus voltage stabilizing creates favorable conditions.
(2) reach port period at boats and ships, carry out energy storage by bank electricity, the oil consumption of automatic system of marine diesel-generator can be reduced,
6, boats and ships Wave energy generating system
The utility model is also for the difficult point that the oscillating float type wave energy generating set in ocean energy exploitation is aboard ship applied, solve wave-energy power generation and stablize controlled problem, optimize the efficiency of wave energy generator under oscillating floater, tidal height and the comprehensive function of wave intensity.
Wave energy generating system can only be arranged along ship side, oscillating floater transfers to sea level through float connecting rod, making tubular oscillating floater immerse sea water advanced by adjustment float connecting rod is 2/3rds of oscillating floater length, wave energy generating set is applicable to anchorage regardless, berthing between handling delivery date uses, and navigation medium wave wave energy generating set is packed up and do not worked.
As shown in figure 11, be the structural representation of boats and ships Wave energy generating system, comprise oscillating floater unit 31, linear electric generator 32 and self adaption leverage 33.
(1) oscillating floater unit
Wherein, oscillating floater unit 31 comprises tubular oscillating floater 31.1 and float connecting rod 31.2; Tubular oscillating floater 31.1 stretches out ship side outside and swims on sea level; The bottom of float connecting rod 31.2 is fixedly connected with the top of tubular oscillating floater 31.1;
Oscillating floater is cylindrical shape, and stainless steel thin-wall (thickness 1mm) watertight protection shell, internal layer is full of fluid-tight rubber, and oscillating floater is fixed on oscillating floater connecting rod.The type selecting of oscillating floater is extremely important: the diameter of cylindrical shape oscillating floater diminish wave energy can increase, absorb water darker wave energy larger, in the center of gravity of any drinking water situation lower pontoon on wave energy feedback without any impact; Cylindrical shape oscillating floater diameter is 6-10m, and draft is 6-12m; Can be in parallel by multiple slender type oscillating floater, ask with the needs meeting linear electric generator.Cylindrical shape oscillating floater and stainless steel casing thereof are an entirety; the stainless steel casing protection oscillating floater body of rubber of watertight; oscillating floater oeverall quality should equal linear electric generator mover quality, and the overall buoyancy of oscillating floater is one times of linear electric generator mover weight.
In fig. 11,34 represent frame, and frame belongs to hull part, for installing set wave wave energy for generating electricity system module.By adjustment frame, make oscillating floater swim on sea level, whole system only has oscillating floater to stretch out ship side outside.
(2) linear electric generator
Linear electric generator 32 comprises: mover 32.1, permanent magnet 32.2, guide rod 32.3, Returnning spring 32.4, fixed cover 32.5, mover connecting rod 32.6 and stator 32.7;
The permanent magnet 32.2 that mover 32.1 fix N pole and S pole replace, the upper end fixed guide pole 32.3 of mover 32.1, by guide rod 32.3, restriction mover 32.1 can only carry out above-below direction motion, offsets about preventing mover; The top of guide rod 32.3 is fixed on the inwall of fixed cover 32.5 by Returnning spring 32.4, such as, Returnning spring 32.4 fixes the inwall of fixed cover 32.5 by spring seat 32.8.The sheathed installation stator 32.7 in outside of mover 32.1, linear generating machine stator is the three-phase windings of star connection; The lower end fixed installation mover connecting rod 32.6 of mover 32.1, absorbs wave energy; Oscillating floater, with the phugoid motion of wave, acts on mover connecting rod through leverage, thus mover is pumped, permanent magnet cutting stator winding on mover, linear electric generator just creates threephase AC, in fig. 11, and 33.11-three phase current ship power supply
(3) self adaption leverage
Self adaption leverage 33 comprises: lever 33.1, balance pivot support 33.2, screw mandrel 33.3, slide block 33.4, motor 33.5, AC/AC frequency variator 33.6, upper dead center magnetic pulse location sensitive switch 33.7, lower dead centre magnetic pulse location sensitive switch 33.8 and detection motion amplitude magnetic pulse location sensitive switch 33.9;
One end of lever 33.1 is fixedly connected with the top of float connecting rod 31.2; The other end of lever 33.1 and the bottom of mover connecting rod 32.6 hinged;
Output terminal and the screw mandrel 33.3 of motor 33.5 link, and rotate for driving screw mandrel 33.3; Slide block 33.4 is threaded with screw mandrel 33.3, and when screw mandrel 33.3 rotates, slide block 33.4 moves left and right;
One end of balance pivot support 33.2 is fixed on slide block 33.4, and the other end of balance pivot support 33.2 is sheathed on lever 33.1, and the intersection location of balance pivot support 33.2 and lever 33.1 is balance pivot 33.10; When slide block 33.4 moves left and right, drive balance pivot support 33.2 to move left and right simultaneously, and then change the position of balance pivot 33.10; Change the relative distance of oscillating floater, linear electric generator mover and balance pivot, thus change oscillating floater to the action intensity of linear electric generator mover and amplitude.
In addition, the output terminal of upper dead center magnetic pulse location sensitive switch 33.7, lower dead centre magnetic pulse location sensitive switch 33.8 and detection motion amplitude magnetic pulse location sensitive switch 33.9 is all connected to the input end of AC/AC frequency variator 33.6; The output terminal of AC/AC frequency variator 33.6 is connected with the input end of motor 33.5, can control the sense of rotation of motor 33.5.
Concrete, arrange magnetic pulse location sensitive switch outside guide rod, this upper dead center magnetic pulse location sensitive switch is arranged in the fixed cover of guide rod up stroke terminal, detects mover top dead center (upper dead center); Also arrange magnetic pulse location sensitive switch outside mover connecting rod, this lower dead centre magnetic pulse location sensitive switch is arranged in connecting rod down stroke destination county frame, detects mover lower dead center (lower dead centre); In normal range of operation, mover motion can not exceed upper and lower dead-centre position.There is spring fitting above guide rod in fixed cover, prevent guide rod from directly clashing into fixed cover, when guide rod clashes into this spring, return action power can also be produced simultaneously.
The position of self adaption leverage adjustable fulcrum should ensure that linear electric generator mover stroke is at upper and lower stop (upper lower dead centre) operated within range, if when mover arrives upper and lower stop (upper lower dead centre) position, magnetic pulse location sensitive switch triggering AC/AC frequency variator, then AC/AC transducer drive actuating motor forward or reverse, thus change position of the fulcrum.When mover move upward exceed upper and lower stop (upper lower dead centre) time, upper lower dead centre magnetic pulse location sensitive switch triggering AC/AC frequency variator makes actuating motor rotate forward, actuating motor drives screw synchronous to rotate clockwise simultaneously, slide block drives balance pivot to move right, thus reduce the amplitude that moves up and down of mover, until upper lower dead centre magnetic pulse location sensitive switch impression is less than mover, AC/AC frequency variator makes actuating motor stall this moment, ensures that mover motion is within the scope of upper lower dead centre.
If mover motion amplitude is less, when mover do not experienced by the magnetic pulse location sensitive switch of detection motion amplitude, then motion amplitude detects magnetic pulse location sensitive switch triggering AC/AC frequency variator, make actuating motor counterclockwise, actuating motor drives screw synchronous to rotate counterclockwise, slide block drives balance pivot to be moved to the left, increase the amplitude that moves up and down of mover, until motion amplitude detects magnetic pulse location sensitive switch experience mover, trigger AC/AC frequency variator again and make actuating motor stall, thus mover is moved within the scope of full stroke, improve efficiency and the Security of wave energy linear electric generator.
Compensate and optimize: in right up and down situation, self adaption leverage is level, and linear electric generator mover is now in meta just.Ebb tide or at the incoming tide, boats and ships, do not affect Wave energy generating system along with ebb tide or flood tide change with Wave energy generating system.But vessel carrying capacity variable effect Wave energy generating system works, when ship in ballast or Deadweight cargo capacity few when, the shallow and freeboard of drauht, now needs to lengthen float connecting rod; When shipful or Deadweight cargo capacity many when, drauht is dark and freeboard is low, now needs to shorten float connecting rod length; Float connecting rod length is to ensure that 2/3rds of tubular oscillating floater are submerged in seawater.
In the utility model, single Wave energy generating system, primarily of wave switching mechanism (comprising oscillating floater, float connecting rod, lever), linear electric generator and connecting rod composition thereof, is arranged on gun wale.Oscillating floater is tubular and to stretch out outboard across the sea floating, and float connecting rod adjustable length, for adjusting float immersed depth.Balance pivot is adjustable, for changing oscillating floater to the action intensity of linear electric generator mover and amplitude.
The working principle of above-mentioned Wave energy generating system is:
Tubular oscillating floater swims on sea level, underwater portion accounts for 2/3rds, oscillating floater under the wave action vertical swings, the wave energy of absorption is converted to pumping of lever by surging, pitching, the mover of lever actuated linear electric generator moves reciprocatingly, permanent magnet cutting straight line generator unit stator on reciprocating mover and generating electricity, realizes wave energy → mechanical energy → electric transformation of energy.
Wave energy generating system module comes into operation during vessel berth, according to boats and ships freeboard, immerses the degree of depth of seawater by changing oscillating floater length of connecting rod adjustment tubular oscillating floater.By changing balance pivot adjustment wave intensity effect mover motion amplitude in the operating range that linear electric generator allows.It is grid-connected to DC bus row that the Ac that linear electric generator exports is converted to direct current through AC/DC rectification module.
In wave change at random situation, the fulcrum of the automatic adjustment (adjusting) lever mechanism of Wave energy generating system module, ensure that linear electric generator mover to be operated in allowed band and full stroke, solve the problem that wave-energy power generation process is uneven, Energy transmission is unstable, improve generating efficiency.
Wave energy generating system is applicable to vessel berth and casts anchor, berths and reach port between handling delivery date, Wave energy generating system can not be used during ship's navigation, otherwise cause ship resistance increase and increase oil consumption, high sea weather uses Wave energy generating system, can alleviate ship rolling.
In practical application, also be provided with electric energy quality monitoring and management equipment, adopt voltage, electric current, power, frequency, power factor, harmonic wave, deviation, imbalance, the flickering of NI rapid data collection terminal module acquisition system, fall temporarily, excursion, carry out power quality analysis, complete energy optimal control simultaneously.
Illustrate that the utility model creates technical problem underlying to be solved
1., the boats and ships wind-light storage wave energy comprehensive utilization electricity generating device of the utility model development, be integrated with rectification, energy storage, voltage stabilizing, inversion, active power filtering, dynamic passive compensation and alternating direct-current grid-connected system, module and amount controller are saved, wind energy, solar energy, wave energy and batteries to store energy utilize each other, technically complement one another on hardware, improve module and controller utilization ratio, greatly reduce cost.
2., the utility model solves the mixed problem of a grid-connected difficult problem that island-grid and interconnected power system problem, rotating machinery that green energy resource utilizes generate electricity and do not utilize rotating machinery to generate electricity, the grid-connected different electric pressures grid-connected with ac bus of DC bus, energy-storage system of accumulator module carries out voltage stabilizing, realizes Power System Steady-state control, low pressure state type active power filtering (APF) and low voltage dynamic reactive-power compensation (SVG), electric energy quality monitoring and management.
3., wind-light storage wave energy comprehensive utilization generating of the present utility model exchanges grid-connected with ship electricity, adopt energy-optimised technology, under making full use of the prerequisite of wind-light storage wave-energy power generation, by controlling going out merit and how much reaching energy-saving and emission-reduction object of boats and ships generating diesel engines, reduce vessel operating cost further.
4., the utility model is also for the difficult point that the oscillating float type wave energy generating set in ocean energy exploitation is aboard ship applied, solve wave-energy power generation and stablize controlled problem, optimize the efficiency of wave energy generator under oscillating floater, tidal height and the comprehensive function of wave intensity.
5., solve idle problem in solar panels evenings, adjusting rollable photovoltaic cell film inclination angle evening becomes sail, for boats and ships provide power.Rollable solar energy film installation dimension is flexible, increases the work area of solar panel.
6., solve the overladen difficult problem of wind turbine, wind turbine motor spindle drives cycloid thruster, directly for boats and ships produce thrust, absorbs larger wind energy, keeps wind-driven generator working stability.
7., battery energy storage system module solution wind and solar energy wave-energy power generation unstable problem, the dynamic rapidity problem in Ship Power Station, bank electricity utilize a difficult problem.
8., the utility model have employed controlled rectification, active power filtering, energy storage, frequency conversion, inversion, Field bus, wireless transmission, alternating direct-current mixing electrical network, wind turbine, wind power magneto generator, wave energy reciprocating linear generator, state type photovoltaic generation hull cell plate, lithium cell, marine synchronous generator, carry out the system intergration and function optimization, fill up the blank of boats and ships in new energy field of comprehensive utilization.
The utility model technical characterstic is summarized as follows:
(1) condition that boats and ships wind-light storage wave energy comprehensive utilization electricity generating device is satisfied
Boats and ships wind-light storage wave energy comprehensive utilization device meets boats and ships rugged environment, and factors such as can bearing high temperature, humidity, salt fog, mould, vibration, tilt, wave affects, and guarantees its reliable operation.All parts that expose all adopt long life anti corrosion surface treatment, guarantee not by corrosion.
(2), the technical requirements of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device
The rollable photovoltaic cell film minimum module generating peaking capacity that boats and ships are installed is 2KW, carries out series parallel connection expansion again according to erecting bed.Separate unit wind power generation module has breeze start-up, slight breeze power generation, and capacity is 25KW, and multiple stage wind-driven generator Independent Power Generation is grid-connected.100kW energy-storage system (two covers), first meets DC bus voltage stabilizing, is secondly the needs of bank electricity energy storage.Separate unit wave-energy power generation module peak power is 10KW, and multiple stage wave energy generator Independent Power Generation is grid-connected.
Boats and ships wind-light storage wave energy comprehensive utilization power generation system adopts variable wiring system flexibly, is applicable to micro-capacitance sensor master & slave control technology and reciprocity control technique; This power generation system has secondary monitoring and protection, communication and data capture and micro-capacitance sensor centralized management function, realizes the coordinated operation with network of ship.
(3), boats and ships wind-light storage wave energy comprehensive utilization electricity generating device work
1., this device adopts the controlling method based on inverter technology micro-grid system, carry out the grid-connected and microgrid autonomous stabilisation of distributed energy micro-grid system to run and control, adopt the distributed AC servo system strategy based on the power of distributed measurement, voltage and frequency, realize the quick seamless link of microgrid or independently can control to meet the dynamic need of boats and ships load independent of network of ship system stable operation, simultaneously meritorious and wattless power.
2., this device under network of ship failure condition, network of ship fault can be detected fast, within the time short as far as possible, by wind-light storage wave energy fully utilize micro-capacitance sensor and network of ship quick separating.
3., this device realizes the in-situ balancing of wattless power by auto voltage control SVG module, guarantees that voltage is in acceptability limit.
4., this device under the pattern of being incorporated into the power networks, according to economic operation analysis, dsm analysis etc., whole power distribution network optimized operation can be carried out.
5., this device carries out the control of energy storage charging and discharging curve, formulates energy storage charging and discharging curve according to load diagram, relies on energy storage discharge and recharge to realize the peak load that disappears of power load.
6., this device can with Ship Power Station combined dispatching, the electric energy quality monitoring of this device and administration module have the function with ship power station management system (PMS) interactive information, can by the micro-capacitance sensor points of common connection of this device place and from net state, exchange on power and send PMS, and accept PMS management.
7., this device is when being incorporated into the power networks, and under the prerequisite ensureing safe operation, with all system energy utilization efficiency, maximum and the lowest coursing cost is for target, gives full play to the generating capacity of wind energy, solar energy, wave energy, ensures Ship Electrical Power System optimized operation.
(4), photovoltaic generating system module
Photovoltaic generating system can normally work under severe cold and severe thermal conditions, operating temperature range is-25 DEG C ~+55 DEG C, there is good preventing thunder earthing design, meet thunderbolt shield subarea, lightning protection class requirement that classification is determined, the contact resistance of each tie point should be less than 10 ohm; Meet requirement peculiar to vessel, convenient construction and easy to maintenance, interchangeability is good, compatible good, and be convenient to management, whole service life should more than 25 years.The nameplate of rollable photovoltaic cell film assembly should indicate manufacturer, model, product ID, peak power, Peak current, peak voltage, off load voltage and short circuit current, the production quality certification.
(5), wind power generation system module
Wind-driven generator sends the Ac of amplitude and change of frequency, and whole by AC/DC module is direct current.Wind turbine takes into account wide tip-speed ratio and noise reduction Aerodynamic optimization design, and pneumatic efficiency is higher than 0.4, and noise is lower than 65db.Blade adopts gel coating resin and reinforcing glass fiber to make, and can ensure safe operation at high speed.Wind-driven generator adopts ferromagnetic material, top grade bearing, and F class B insulation IP54 protects, and by non-maintaining Technology design, ensures more than 30000 hours working life, without the need to maintenance of disintegrating in lifetime.Wind turbine adapts to high rotating speed, but maximum speed is no more than 3600r/min.The wind-power generating system module of boats and ships afterbody, also can drive cycloid thruster to rotate, for ship's navigation directly provides thrust.
(6), lithium battery energy storage battery system module
This module is greater than 10000 times working life; Meet naked light, shock, thunder and lightning, short circuit at charge and discharge process peripheral, cross the various unexpected factors such as charge and discharge, burning or blast should not occur; Avoid causing whole Battery pack performance and life-span to decline because monomer module battery behavior differs greatly; Accumulator positive, negative terminal have distinguishing mark, are convenient to connect; Pond group housing, enclosing cover must not have distortion, crackle and stain, and it is clear to identify; Battery pack should possess complete installation connecting material, and provides the copper busbar of battery output; Battery pack joins metal steelframe or cabinet should have stronger steel framework and reserve ground installation fixed hole.
1. this module accepts the scheduling of wind-light storage wave energy electric energy quality monitoring and administration module, adjusts the charging and discharging state of self in real time, burning voltage according to DC bus situation, reduces solar energy, wind energy, the impact of wave energy output power change to network of ship;
2. this module is when honourable wave energy is from Running State, can provide reference potential by grid-connected to seamlessly transitting from net, and to can be used as standby power supply be that boats and ships load is powered;
3. this module comprises lithium cell and the battery management system (BMS) with communication function, energy-storage battery cabinet has good ventilation and heat design, BMS can with Ship Power Station PMS, electric energy quality monitoring and administration module real-time communication, and accept the scheduling of electric energy quality monitoring and administration module;
4. this module automatic operating, running state is visual, the layout of lithium cell group and construction easy for installation, debugging, maintenance and maintenance;
5. this module adopts indoor machine cabinet mounting type, and selected product Classification society standard, have product ID and examining report etc., all raw material etc. should review source.
6. the function of battery management system BMS realization: monomer battery voltage, battery pack terminal voltage can be detected and measure internal resistance of single cell; Carry out electric energy metrical and Accurate Prediction battery pack residual capacity; There is overvoltage, under-voltage and differential pressure warning function, can accurate looking up the fault battery.Have color touch screen display to show, every batteries numbering and data thereof, the record of display fault history in display battery pack, display clear data readability, is easy to operation; Possessing sound and light of alarm, when there being battery abnormal (comprise cell voltage is too high, too low, battery pack any point open circuit, battery short circuit etc.), acoustooptic alarm signal can be provided and can automatic Identification show abnormal battery and number; There is RS485 communication interface, the parameters such as accumulator battery voltage, fault history record can be uploaded to centralized watch device.Each battery voltage measurement port all adopts digitizing contact to carry out isolation to guarantee security of system stable operation; Can long-term work continuously, there is versatility.
(7) Wave energy generating system module
The tubular oscillating floater of Wave energy generating system module swims on sea level, underwater portion accounts for 2/3rds, oscillating floater under the wave action vertical swings, the wave energy of absorption is converted to pumping of lever by surging, pitching, the mover of lever actuated linear electric generator moves reciprocatingly, permanent magnet cutting straight line generator unit stator on reciprocating mover and generating electricity, realizes wave energy → mechanical energy → electric transformation of energy.
Wave energy generating system module comes into operation during vessel berth, according to boats and ships freeboard, immerses the degree of depth of seawater by changing oscillating floater length of connecting rod adjustment tubular oscillating floater.By changing balance pivot adjustment wave intensity effect mover motion amplitude in the operating range that linear electric generator allows.It is grid-connected to DC bus row that the Ac that linear electric generator exports is converted to direct current through AC/DC rectification module.
In wave change at random situation, the fulcrum of the automatic adjustment (adjusting) lever mechanism of Wave energy generating system module, ensure that linear electric generator mover to be operated in allowed band and full stroke, solve the problem that wave-energy power generation process is uneven, Energy transmission is unstable, improve generating efficiency.
(8) boats and ships wind-light storage wave energy fully utilizes electric energy quality monitoring and the administration module of electricity generating device
Electric energy quality monitoring and administration module provide boats and ships wind-light storage wave energy to fully utilize electric current, voltage, active power, the wattless power of electricity generating device, the various real time data such as power factor, and the description of these real time data band qualities is sent to upper-position unit and ship power station management system PMS.
Electric energy quality monitoring and administration module control and Non-follow control automatically, can be dropped into/be exited by operator, do not affect the normal operation of Non-follow control function.In automatic control process, program runs into any soft and hardware fault all should output alarm information, stops control operation, and keep the state of controlled device.Automatic control comprises auto voltage control, distribution combined dispatching, economic load dispatching, dispatches from network energy.
Operationral report all should be produced when operating normal or operation exception.Normal reports on the implementation content comprises control reason, operating time and content of operation; The report content of control operation exception comprises operating time, content of operation, causes abnormal reason, noly will carry out artificial treatment etc. by operator.In addition, also report should be produced when controlling functions is stopped or start.Above-mentioned report all should print out.
Electric energy quality monitoring and administration module have also, from net automatic switching function, from and net state to from net state, from net state to and these two transition states of net state stablize level and smooth automatic control function, and net state realizes seamless switching to from net state, from net state to and net state realize seamless switching.During net, this module realizes the stable operation under boats and ships wind-light storage wave energy comprehensive utilization electricity generating device classification load management.This module ensures the quality of voltage of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device inside by auto voltage control module, realizes the in-situ balancing of wattless power, guarantees that voltage is in acceptability limit.Under the mode of being incorporated into the power networks, this module according to economic operation analysis, the analysis of boats and ships load side management etc., can issue to each electricity generation module of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device and exchanges power definite value to realize whole power distribution network optimized operation.This module realizes distributed power source output smoothing by control strategy and controls, and suppresses distributed power source wave properties.
(9) other requirements of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device
The components and parts of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device should have type-test report and the quality certification, meet classification society rule.Plug-in unit in device should firmly, reliable, change convenient, antiseismic, vibration proof and impact resistance etc. and meet environmental requirement peculiar to vessel.Plug-in unit, subrack should have obvious ground connection to indicate.Marshalling answered by all elements, well arranged, is convenient to operation, debugging, maintenance and dismounting, and leaves enough spaces.To in device with adjustment definite value plug-in unit, regulating mechanism should have good insulation and locking facility.
The below of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device should be equiped with the grounding copper bar in 2 25 × 4mm2 cross sections, and one of them copper bar is on-insulated with ground, and another copper bar insulate with ground, should install insulation pad additional when installing this copper bar.Copper bar end should install reliable crimping terminal, can connect the strand copper wire that cross section is not less than 4mm2, to receive in boats and ships grounded screen.
Boats and ships wind-light storage wave energy comprehensive utilization electricity generating device security level IP56 level; select high tensile steel composite structure; cabinet adopts full-closed structure; and take into full account cooling requirements; protection screen front opening is locking; and have transparency window, provide by manually opened cabinet intraoral illumination equipment, the signaling lamp on panel and involution button are installed on is convenient to maintenance, operation monitoring and operation.
The operating voltage of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device home loop should more than 250V, the withstand voltage of distribution is not less than 500V, moisture-proof heat-insulation and the crosslinked polyetylene insulated copper stranded conductor of frpf should be adopted, its smallest cross-sectional is not less than 1.5mm2, but should be not less than 4mm for the cross section of alternating current (a.c.), voltage and trip(ping) circuit
2, wire answers no marking and damage.Distribution trough is used for attached cable, and cable is connected to terminal block.All inside distributions being connected to terminal block, and should have the line of mark cover to be identified with designation strip.
The rating value of all terminals of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device is 1000V, 10A, crimp type terminal.The terminal of electric current, voltage circuit should be able to connect the cable core being not less than 4mm2.The secondary circuit of CT should provide the testing terminal of standard, is convenient to the constrained input loop of disconnection or each protective gear of short circuit.A terminal only allows access wire.Should have enough insulation between terminal block, terminal block should arrange according to function segmentation, and at least should leave the spare terminal of 20%.Enough spaces should be left between terminal block, be convenient to the connection of external cable.The both positive and negative polarity of the tripping operation of circuit breaker or closing circuit terminal, DC electrical source should not be arranged on adjacent terminal.The public terminal of trip(ping) circuit on protection screen should adopt multiple Placement, to ensure that a terminal only allows access wire.
The secondary circuit of the current transformer of boats and ships wind-light storage wave energy comprehensive utilization electricity generating device should have an earth point, and the terminal block ground connection near power distribution unit, to the protective gear having several groups of current transformers (as one and half switch wire connections, angle scheme and Gratz connection) to link together, then should through terminal block ground connection on protection screen; One of the second side neutral point or coil Outlet of voltage transformer answer ground connection, and each Secondary Circuit of Potential Transformer only has an earth point, and type of grounding presses countermeasure ground connection; Screen body structure opens the door before and after being, the cabinet type structure of vertical self-erecting type.Cabinet planted agent is provided with laterally and vertical metallic channel, and the position that all devices is installed all should facilitate external cable to enter from the bottom of screen cabinet.All panels should clean, and scribble one deck priming paint and two-layer finish paint, to prevent in transport, storage and operating corrosion and corrosion.Screen should clean with the inside and outside of screen, answers free from dust, cut and greasy dirt etc.All devices (comprising relay, control switch, fus, air-break switch, tutorial light and other equipment independently installed) on screen, all should have nameplate or label frame.
The utility model innovative point is summarized as follows:
1., the comprehensive utilization on boats and ships of wind energy, solar energy, wave energy, batteries to store energy, realize energy-saving and emission-reduction by the output power of energy optimal control boats and ships generating diesel engine, reduce vessel operating cost.
2., wind-light storage wave energy alternating direct-current mixing electrical network active power filtering and dynamic passive compensation system integrated technology.
3., the rollable solar energy film of sail pattern, cost is low, daytime photovoltaic generation, be that sail advances in the evening, improves utilization ratio and efficiency.
4., wind turbine Direct driver wind-driven generator and cycloid thruster, catch wind energy to greatest extent, for boats and ships provide electric power and thrust power simultaneously, efficiency is high.
5., lithium battery energy storage battery system module is used for DC bus voltage stabilizing, simultaneously carries out energy storage in boats and ships period of reaching port by bank electricity, can reduce the oil consumption of automatic system of marine diesel-generator further.
6., the comprehensive utilization of wind energy, solar energy, wave energy, lithium battery energy storage battery, alternating direct-current mixing electrical network and grid-connected with Ship Power Station, the oil consumption of energy-optimised minimizing boats and ships.
In sum, the exploitation of wind energy, solar energy, wave energy and battery energy storage renewable energy sources are the inexorable trends of energy-saving and emission-reduction, sustainable development, are also the focuses of green ship application study.Kind of energy, the characteristic of wind energy, solar energy, wave energy and battery energy storage are different with Conversion of Energy form, but the rectification of four, inversion and grid-connected link are identical, can and with direct current net, exchange grid-connected after inversion, therefore, boats and ships fully utilize wind energy, solar energy, wave energy and energy storage and there is high cost performance and novelty.
Estimate following to reinvent shipping market because wind-light storage wave energy fully utilizes the energy saving profit brought.The utility model adopts advanced alternating direct-current interconnection technology, comprehensive utilization clean energy resource, aim at the direction of international carriage energy-saving and emission-reduction, realize wind energy, solar energy, wave energy and energy storage first grid-connected with comprehensive utilization on boats and ships, there is high directive significance and use value.
Wind energy of the present utility model, solar energy, wave energy and batteries to store energy adopt systematize Integrated design, and module of software and hardware unified management each other, reduces costs, improves Utilization ratio.It is realize one of ship energy diversification, energy-saving and emission-reduction and the inevitable choice of enhancing competitiveness that wind energy, solar energy and wave energy develop on boats and ships, also be focus and the development trend of green ship research, there is high cost performance, novelty and use value.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should look protection domain of the present utility model.