CN206087247U - Electrically -propelled system is synthesized to boats and ships - Google Patents
Electrically -propelled system is synthesized to boats and ships Download PDFInfo
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- CN206087247U CN206087247U CN201621109597.4U CN201621109597U CN206087247U CN 206087247 U CN206087247 U CN 206087247U CN 201621109597 U CN201621109597 U CN 201621109597U CN 206087247 U CN206087247 U CN 206087247U
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- 230000005611 electricity Effects 0.000 claims abstract description 54
- 238000011068 load Methods 0.000 claims abstract description 53
- 238000007667 floating Methods 0.000 claims abstract description 34
- 238000004146 energy storage Methods 0.000 claims description 75
- 238000010248 power generation Methods 0.000 claims description 34
- 238000009434 installation Methods 0.000 claims description 29
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 241000143392 Oar Species 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 239000005417 food ingredient Substances 0.000 claims description 2
- 235000013324 preserved food Nutrition 0.000 claims description 2
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 abstract 1
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- 238000005259 measurement Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000051 modifying Effects 0.000 description 2
- 230000000737 periodic Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
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- 238000011105 stabilization Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model discloses an electrically -propelled system is synthesized to boats and ships, including power management system, diesel generating set, energy memory, the bank electronic box, floating hydroelectric generation device, distributed generation unit, propulsion motor and screw, diesel generating set is connected with the common direct current bus electricity through rectifier and service power table in proper order, energy memory is connected through two -way DCDC converter and common direct current bus electricity, the bank electronic box, floating hydroelectric generation device and distributed generation unit are respectively through rectifier no. 4, rectifier no. 5 is connected with rectifier six and common direct current bus electricity, common direct current bus is through load power table and contravariant / converter no. 1, contravariant / converter no. 2, four electricity in contravariant / converter no. 3 and the contravariant / converter are connected, contravariant / converter no. 1, contravariant / converter no. 2, contravariant / converter no. 3 and contravariant / converter quartering leaves and right propulsion motor, left side propulsion motor, auxiliary assembly and daily consumer electricity are connected. Its energy utilization is rateed highly, and energy saving and emission reduction is effectual.
Description
Technical field
The utility model belongs to ship power system technical field, more particularly to a kind of ship craft integrated electric propulsion system
System.
Background technology
Spot ship propulsion system mode has following three kinds：
First, tradition machinery propulsion mode, it connects screw, with this ship is promoted by Diesel engine by gear-box
Navigation, is the feelings according to ship power in the maximum duty being likely encountered in the power selection of Diesel engine active force
Condition is got off determination, with larger power margin.In actual operation, the probability for running into analogue is very low, in addition at present
Ship is generally taken to reduce the measures to effectively increase energy savings and reduce material consumption based on the speed of a ship or plane, is caused in most of the cases, in ship actual motion
Power often only account for the 40-60% of design power, Diesel engine active force is chronically at underrun state, diesel oil
Under the thermal efficiency ratio rated load state of engine will low 10-30% or so, oil consumption is uneconomical.Simultaneously for being chronically at change
The ship of load operation, the operating mode of Diesel engine is also chronically among variation, reduce further the thermal efficiency, causes efficiency
Uneconomical, discharge is not environmentally.
2nd, conventional electric power propulsion mode, in western developed country, has the new shipbuilding oceangoing ship of 20-30% or so (mainly extra large
Wheel) using the technical scheme of electric propulsion mode, i.e., powered to network of ship by diesel-driven generator, it is available to propulsion electronic
Machine drives screw operation.In the electric propulsion mode, the right propulsion electricity of current supply circuit correspondence connection of a main diesel-driven generator
Motivation, the left propulsion motor of current supply circuit correspondence connection of another main diesel-driven generator, passes through circuit between two current supply circuits
Connection, plays a part of emergent bypass.Compared with tradition machinery propulsion mode, the diesel-driven generator and screw of the propulsion mode
Between employ power flexible connection, the matching of propulsion motor and screw is better than matching for diesel-driven generator and screw,
But the fluctuation of propeller load still can be reacted directly into the fluctuation of diesel-driven generator load, while the combination of diesel-driven generator is not
It is enough flexible, without the energy-saving potential for fully excavating ship.
3rd, it is pure to be electric-only propulsion mode, i.e., directly power to drive propeller to run to propulsion motor from energy-storage units, with
Realize ship's navigation.A kind of power supply system for watercraft electric propulsion system as disclosed in patent No. CN200820155772.2
System, for powering to watercraft electric propulsion system, the watercraft electric propulsion system include a control system, respectively with the control system
The connected propulsion system of system, driver behavior control system, charging system and electric power system.Wherein energy-storage units pass through shore connection box
Or photovoltaic generation, wind power generation distributed power-supply system electric energy supplement.It is electric-only propulsion in mode pure, screw propulsion electricity
Motivation fully relies on the energy storage of electrokinetic cell in energy-storage units to provide the energy, it is desirable to which the capacity of electrokinetic cell is big, generally requires
The several hours of ship oepration at full load being met to more than ten hour, substantially increasing the cost of ship, the prime cost of ship is
Battery cost.The supplement of electrokinetic cell power supply relies primarily on shore connection box, and photovoltaic generation and wind power generation can only be used as very littles
Supplement, this requires that ship is frequently necessary to berthing charging, and the charging interval is long, is not suitable for navigation over long distances, while exist investing into
This big, charging interval length, to the supporting problem having high demands that charges.
Utility model content
The purpose of this utility model is that and overcomes the deficiencies in the prior art, there is provided a kind of ship craft integrated electric propulsion system
System, the utility model is using diesel generating set, energy storage device, shore connection box, floating type hydroelectric installation, distributed power generation dress
The propulsion mode for combining is put, scheme has been carried out preferably for the actual environment condition and objective law of vessel motion and has been optimized,
Innovated on diesel generating set number and assembled scheme and capacity of energy storing device, while being sent out using floating type waterpower
Electric installation mainly mends electric source as ship, and the power section for fully selecting diesel-driven generator energy conversion efficiency high is operated,
The stationarity of diesel-driven generator work is lifted by the peak load shifting to fluctuating load, energy use efficiency is substantially increased,
Ship's navigation is ensured, berthed, moved good effects of energy saving and emission reduction during port and departure from port, vessel motion comfortableness has been good, reduces
The input cost of the utility model propulsion system.
To achieve these goals, the utility model provides a kind of Marine Synthesize Electric Propulsion System, including power supply pipe
Reason system, diesel generating set are energy storage device, shore connection box, floating type hydroelectric installation, distributed power generation unit, public straight
Stream bus, propulsion electric machine and propeller, the propulsion electric machine includes right propulsion electric machine and left propulsion electric machine, and the propeller includes
Right-hand screw oar and left-hand airscrew, successively rectified device and output power table are electrically connected the diesel generating set with common DC bus
Connect, the energy storage device is electrically connected by two-way DC/DC converters with the common DC bus, it is the shore connection box, floating type
Hydroelectric installation and distributed power generation unit are respectively by rectifier four, rectifier five and rectifier six and the public direct-current
Bus electrical connection, the common DC bus Jing bearing powers table and inversion/frequency converter one, inversion/frequency converter two, inversion/change
Frequency device three and inversion/frequency converter four are electrically connected, the inversion/frequency converter one, inversion/frequency converter two, inversion/frequency converter three and inverse
Change/frequency converter four is electrically connected respectively with the right propulsion electric machine, left propulsion electric machine, auxiliary equipment and daily electrical equipment, described
Right propulsion electric machine is connected with the right-hand screw oar, and the left propulsion electric machine is connected with the left-hand airscrew；It is described public straight
Voltmeter is connected with stream bus.
The output power table, bearing power table and voltmeter are connected with the power-supply management system, the power supply
Management system respectively with the diesel generating set, energy storage device, shore connection box, floating type hydroelectric installation and distributed power generation
Device is connected.
Further, the diesel generating set is by the main diesel generating set of two capacity identicals and the main diesel generation
The auxiliary diesel generater set composition of unit half capacity, the capacity sum of main diesel generating set described in two meets ship and completely bears
Full marine electric demand is defined when lotus runs；The rectifier includes rectifier one, rectifier two and rectifier three, main bavin described in two
Fry dried food ingredients group of motors is electrically connected respectively by rectifier one and rectifier two with the output power table, the auxiliary diesel generator
Group is electrically connected by rectifier three with the output power table.
Further, main diesel generating set and auxiliary diesel generater set described in two pass through respectively rectifier one, rectification
After device two and the rectification of rectifier three, the 380V three-phases that main diesel generating set and auxiliary diesel generater set described in two are adopted
AC power is converted into being input into the common DC bus after 540V dc sources；After shore connection box rectified device four rectification,
AC power is changed into and be input into common DC bus after 540V dc sources；The floating type hydroelectric installation and distributed
TRT AC power is changed into after rectified device five and the rectification of rectifier six respectively be input into after 540V dc sources it is public
Common DC bus.
Further, the energy storage device is made up of super capacitor and rechargeable lithium ion battery.
Further, the capacity of the energy storage device is filled for the ship oepration at full load electricity of 1 hour as the energy storage
The capacity put.
Further, by 540V after common DC bus inversion/frequency converter one and inversion/frequency converter two described in
Dc source change into 380V and frequency be respectively after the three-phase alternating-current supply adjusted between 0-50 hertz right propulsion electric machine and
Left propulsion electric machine is powered.
Further, 540V dc sources are changed into 380V and frequency by the common DC bus Jing inversions/frequency converter three
Rate is to power for auxiliary equipment after 50 hertz of AC power.
Further, that 540V dc sources are changed into into 220V is single-phase for the common DC bus Jing inversions/frequency converter four
It is that daily electrical equipment is powered after AC power.
Further, the distributed power generation unit includes photovoltaic power generation apparatus and wind electricity generating system.
Further, the power-supply management system is connected with ship panel.
The utility model additionally provides a kind of using method of the Marine Synthesize Electric Propulsion System：
By each diesel generating set of periodic measurement in ship in oil consumption used and generated energy under different load state
Relation, draw the energy conversion efficiency of every diesel generating set different capacity section, and demarcate in every diesel generating set
Best effort it is interval；Simultaneously in ship actual moving process, each diesel generating set of on-line measurement is in ship in not
It is analyzed with oil consumption used under load condition and the relation of generated energy, to correct the energy conversion effect of every diesel generating set
Rate and best effort are interval, while by energy conversion efficiency and best effort in the every diesel generating set obtained after amendment
Interval is stored to the power-supply management system of ship；
In ship actual motion, power-supply management system is according to the size of full network of ship load and diesel generating set
Best effort interval carries out comprehensive analysis, is up to principle with the energy conversion efficiency of diesel generating set and determines that input diesel oil is sent out
The number and combined situation of group of motors；
The wherein course of work of the ship under different running statuses is as follows：
1. anchored condition：After the completion of anchorage regardless, bridge has assigned car instruction and has been sent to power-supply management system, power supply pipe
Reason system has been connected to after car instruction, and according to the voltage of common DC bus voltmeter feedback the charge condition of energy storage device is judged,
And carry out mending electricity to energy storage device by diesel generating set, until energy storage device electricity is full of, diesel generating set is disabled, together
When power-supply management system enable energy storage device, floating hydroelectric generator and distributed power generation unit jointly to the auxiliary on ship
Equipment and daily electrical equipment are powered, wherein floating type hydroelectric installation is the main electric supply installation during Ship Anchoring；
2. berthing state：After ship berthing, bridge has assigned car instruction and preferentially shore connection box is sent to power supply after powering
Management system, power-supply management system preferentially enables shore connection box and powers to daily electrical equipment, and disables diesel generating set, passes through
Shore connection box charges to energy storage device, while distributed power generation unit carries out mending electricity to energy storage device, until energy storage device electricity fills
It is full；
3. shifting berth and departure from port state：Bridge assigns standby car instruction and is sent to power-supply management system, and power-supply management system connects
After receiving standby car instruction, the charge condition of energy storage device is judged according to the voltage of voltmeter feedback, when the electricity in energy storage device
During higher than setting value, power-supply management system does not enable diesel-electric set electric supply, and power-supply management system enables energy storage device to ship
Oceangoing ship is powered；
When the electricity in energy storage device is less than setting value, power-supply management system determines input according to electricity difference size
The number and combined situation of diesel generating set, is charged with the principle for meeting energy storage device maximum charge speed, until storage
Energy device is full of, and disables diesel generating set, and power-supply management system enables energy storage device to ship power supply；
4. operational configuration：In running at ordinary times, power-supply management system is by the tachometer on propulsion electric machine for ship
With the bearing power table on common DC bus, the electricity consumption loading condition of the ship under propulsion electric machine different rotating speeds is gathered, and made
Based on data storage in power-supply management system, using the reference data arranged as later stage ship's navigation；
When ship enters normal/cruise state, bridge assigns constant speed sailing command and sets the transmission of propulsion electric machine rotating speed
To power-supply management system, power-supply management system determines the use for corresponding to the ship under propulsion electric machine rotating speed by calling basic data
Electric loading situation, and former survey is up to the energy conversion efficiency of diesel generating set, determine the number of input diesel generating set
Mesh and combined situation；
When increasing the rotating speed of propulsion electric machine in ship's navigation suddenly, ship is uprushed with electric loading, now public direct-current
Voltage on bus declines, and the voltage of energy storage device is higher than the voltage of common DC bus, and power-supply management system enables energy storage dress
Put rapid to common DC bus electric discharge, it is to avoid the voltage anticlimax on common DC bus, while power-supply management system progressively adds
The fuel delivery of big diesel generating set, increases generated output, to maintain the voltage of common DC bus；
When the remaining electricity of energy storage device reaches lower limit, power-supply management system enables grid-connected of another diesel generating set
Electricity, while charge to electricity to energy storage device being full of, disables diesel generating set；
When the rotating speed of propulsion electric machine is reduced in ship's navigation suddenly, the electricity consumption load dump of ship, now public direct-current
Voltage on bus rises, and the voltage on common DC bus is higher than the voltage of energy storage device, and common DC bus fill to energy storage
Charging is put, to avoid common DC bus voltage spikes, while power-supply management system gradually reduces the fuel feeding of diesel generating set
Amount, maintains the voltage stabilization on common DC bus.
Compared with prior art, the beneficial effects of the utility model：
1st, diesel-driven generator pool-size of the present utility model adopts 221 assembled scheme.It is assumed that during ship oepration at full load
Full electrical power peculiar to vessel is 1, and the rated generation power of corresponding three diesel generating sets is respectively 2/4,2/4,1/4, referred to as 221
Scheme, that is, add an auxiliary diesel generator by two main diesel generating sets, totally three diesel generating sets, its
Can realize that full ship can provide optimal in 25%, 50%, 75%, 100%, the 125% of rated load each power section
Diesel generating set energy conversion efficiency, simplifies configuration, has saved cost, has reached effect.
2nd, energy storage device of the present utility model selects the ship oepration at full load electricity of 1 hour as the appearance of energy storage device
Amount, this is berthed (including anchoring, berthing) and aeronautical data is counted and got from data by substantial amounts of to ship
As a result, the battery capacity can ensure ship auxiliary equipment and demand of daily electrical equipment electricity consumption in normal lay day,
It is not required to enable diesel generating set, while also meeting peak clipping of the varying duty operation to generating set load fluctuation in ship's navigation
Fill valley needs, and compares with the pure mode that is electric-only propulsion, and greatly reduces the quantity of energy storage device, has saved cost of investment.
3rd, the utility model is made as the standard electric system of ship on common DC bus using 540V direct currents, due to this
The main application of utility model be medium and small-scale vessel, Ship Power Station power typically in 1MW or so, using the direct current of 540V
Load processed is easy to the rectification of 380V AC powers to be incorporated to, and is easy to the electrical source of power that inversion changing frequency is 380V, while using straight
The electric standard of stream, each power supply (i.e. diesel generating set, shore connection box, floating type hydroelectric installation, distributed power generation unit) and
Net needs not move through synchronization and phase modulation, simplifies operation, facilitates implementation Automatic Control.
4th, the utility model is originated floating type hydroelectric installation as the main supplementary of ship power supply, compared to existing
Source, flow energy density in navigation channel residing for ship are supplemented as ship power supply using photovoltaic power generation apparatus and wind electricity generating system
The energy density of sunshine or wind energy significantly larger than in unit area, the flow energy density in usual unit area navigation channel is too
15-20 times of positive energy and wind energy, the electric energy that floating type hydroelectric installation is provided will be much higher than photovoltaic power generation apparatus and wind
The electric energy that energy TRT can be provided；And solar energy, wind energy are affected greatly, to originate unstable, during effectively utilizes by weather
Between it is short, and river water continually, does not day and night stop, steady sources, and the effectively utilizes time is long.Generally, photovoltaic power generation apparatus exist
Generating efficiency in the case of sun light direct beam is 100W/ square metre, installs 40 square metres of photovoltaic panels according to ship and calculates, most
It is high-power for 4kw, daily generating dutation only has or so half a day, and is affected very big by weather.Ship wind electricity generating system
Power typically not over 1kw, affected greatly by weather.And the power of the floating type hydroelectric installation of 2.0 meters of diameter is general
5-10KW or so is reached, and can around the clock be powered, installed 1 according to ship or 2 floating hydroelectric generators are calculated, base
Originally the need for electricity during vessel berth being met, with good economic performance.
5th, the utility model ship is in lay day, and full marine electric is more frequent than relatively decentralized, various Smaller load start and stop, right
Need to start diesel-driven generator in traditional mechanically-propelled mode to power, its diesel-driven generator is in underrun, noise is big, oil
Consumption is high, very uneconomical.And the utility model is powered by energy storage device, floating type hydroelectric installation or shore connection box mend electricity,
Power supply plan is quiet, cleaning, it is to avoid low caused by noise, exhaust emission and underload caused by diesel generating set operation institute
The problem of efficiency operation.
6th, the utility model ship is during shifting berth and departure from port operation, and frequently, the working time is short for propulsion load variations, overall
Less, for the electric propulsion scheme of prior art need to start main diesel-driven generator, it equally exists underload, poor efficiency to power
Operation and the problem of generation load impact.And the utility model is powered by energy storage device for propulsion electric machine, fast response time,
Quiet, cleaning, energy conversion efficiency is high.
7th, during navigation, pure for prior art is electric-only propulsion mode to the utility model ship, and it at all cannot
Long distance running is carried out, and for the electric propulsion mode of prior art, its energy conversion efficiency is not high.And it is of the present utility model
Marine Synthesize Electric Propulsion System, its diesel-driven generator pool-size realizes the optimal of total power section from the scheme of 221 combinations
Energy conversion efficiency is combined, and greatly improves energy use efficiency, reduces disposal of pollutants, while increased energy storage device is realized
The effect stable with diesel-driven generator is maintained to the peak load shifting of voltage ripple of power network, it is to avoid diesel-driven generator is hit negative
The harm of lotus.By Marine Synthesize Electric Propulsion System of the present utility model, it is left that ship craft integrated energy-saving effect can reach 15%
The right side, it is annual using propulsion system ship of the present utility model according to the scale that China's such oil consumption is 20,000,000 tons in ship year
Amount of energy saving be 3,000,000 tons or so.
8th, energy storage device of the present utility model is made up of super capacitor and rechargeable lithium ion battery, has given full play to super electricity
The characteristics of holding rapid discharge and recharge and high lithium ion battery specific capacity.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the utility model embodiment.
Above-mentioned reference：
1 diesel-driven generator one, 2 diesel-driven generators two, 3 rectifiers one, 4 rectifiers two, 5 rectifiers three, 6 shore connection boxs, 7 is whole
Stream device four, 8 floating type hydroelectric installations, 9 rectifiers five, 10 distributed power generation units, 11 rectifiers six, 12 output powers
Table, 13 voltmeters, 14 load supply rate table, 15 two-way DC/DC converters, 16 energy storage devices, 17 inversions/frequency converter one, 18 inversions/
Frequency converter two, 19 inversions/frequency converter three, 20 inversions/frequency converter four, 21 right propulsion electric machines, 22 left propulsion electric machines, 23 auxiliary set
It is standby, 24 daily electrical equipments, 25 right-hand screws slurry, 26 left-hand screws slurry, 27 common DC bus.
Specific embodiment
Utility model is further illustrated below in conjunction with the accompanying drawings, but is not limited to scope of the present utility model.
Embodiment
As shown in figure 1, a kind of Marine Synthesize Electric Propulsion System that the utility model is provided, including power-supply management system
(being not drawn in figure), diesel generating set, energy storage device 16, shore connection box 6, floating type hydroelectric installation 8, distributed power generation dress
10, propulsion electric machine and propeller are put, the propulsion electric machine includes right propulsion electric machine 21 and left propulsion electric machine 22, the propeller bag
Include right-hand screw oar 25 and left-hand airscrew 26, the diesel generating set rectified device and output power table 12 and public direct-current successively
Bus 27 is electrically connected, and the energy storage device 16 is electrically connected by two-way DC/DC converters 15 with the common DC bus 27, institute
State shore connection box 6, floating type hydroelectric installation 8 and distributed power generation unit 10 and pass through rectifier 47, the and of rectifier 59 respectively
Rectifier 6 11 is electrically connected with the common DC bus 27, and the Jing bearing powers table 14 of the common DC bus 27 and inversion/
Frequency converter 1, inversion/frequency converter 2 18, inversion/frequency converter 3 19 and inversion/frequency converter 4 20 are electrically connected, the inversion/change
Frequency device 1, inversion/frequency converter 2 18, inversion/frequency converter 3 19 and inversion/frequency converter 4 20 respectively with the right propulsion electric machine
21st, left propulsion electric machine 22, auxiliary equipment 23 and daily electrical equipment 24 are electrically connected, the right propulsion electric machine 21 and the right-hand screw
Oar 25 is connected, and the left propulsion electric machine 22 is connected with the left-hand airscrew 26；It is connected with the common DC bus 27
Voltmeter 13；The output power table 12, bearing power table 14 and voltmeter 13 are connected with the power-supply management system, institute
State power-supply management system respectively with the diesel generating set, energy storage device 16, shore connection box 6, floating type hydroelectric installation 8 and
Distributed power generation unit 10 is connected.
Output power table 12 is being installed after common DC bus 27 and diesel generating set rectifier between way circuit, is being used for
The delivery size of measurement diesel generating set；The installation load power meter between common DC bus 27 and load way circuit
14, for measuring the watt level of full electric loading peculiar to vessel；Voltmeter 13 is installed on common DC bus 27, for measuring power supply
The voltage condition of backbone network.
The diesel generating set of the present utility model is by the main diesel generating set 1 of two capacity identicals and the main diesel oil
The auxiliary diesel generater set 2 of the half capacity of generating set 1 is constituted, and the capacity sum of main diesel generating set 1 described in two meets
Full marine electric demand during ship oepration at full load, i.e., the size of the capacity sum of main diesel-driven generator 1 is meeting ship described in two
Full electric load peculiar to vessel is defined during oepration at full load；The rectifier include rectifier 1, rectifier 24 and rectifier 35, two
The main diesel generating set 1 is electrically connected respectively by rectifier 1 and rectifier 24 with the output power table 12, described
Auxiliary diesel generater set 2 is electrically connected by rectifier 35 with the output power table 12.
Main diesel generating set 1 described in of the present utility model two and auxiliary diesel generater set 2 pass through respectively rectifier one
3rd, after rectifier 24 and the rectification of rectifier 35, main diesel generating set 1 described in two and auxiliary diesel generater set 2 are adopted
380V three-phase alternating-current supplies be converted into being input into the common DC bus 27 after 540V dc sources.
After rectified device 47 rectification of shore connection box of the present utility model 6, AC power is changed into defeated after 540V dc sources
Enter common DC bus 27；The floating type hydroelectric installation 8 and distributed power generation unit 10 distinguish rectified device 59 and whole
AC power is changed into into input common DC bus 27 after 540V dc sources after the stream rectification of device 6 11.
The energy storage device 16 of the present utility model is made up of super capacitor and rechargeable lithium ion battery, has been given full play to super
The characteristics of level capacitor charge and discharge is rapidly and lithium ion battery specific capacity is high.
The capacity of the energy storage device 16 of the present utility model is the ship oepration at full load electricity of 1 hour as the storage
The capacity of energy device 16.The two-way rated power of DC/DC converters 15 is matched according to the watt level for meeting ship oepration at full load.
Floating hydroelectric generator 8 according to vessel berth during daily power load size matching, typically in 3-15KW.
Inversion/frequency converter 1 and inversion/frequency converter 2 18 described in the Jing of the common DC bus 27 of the present utility model
540V dc sources are changed into into 380V afterwards and frequency is that the right side is respectively after the three-phase alternating-current supply adjusted between 0-50 hertz
Propulsion electric machine 21 and left propulsion electric machine 22 are powered.
The Jing inversions of the common DC bus of the present utility model 27/frequency converter 3 19 changes into 540V dc sources
380V and frequency are to power for auxiliary equipment 23 after 50 hertz of AC power.Auxiliary equipment 23 on ship includes water pump, rudder
Machine, oil pump, windlass etc..
The Jing inversions of the common DC bus of the present utility model 27/frequency converter 4 20 changes into 540V dc sources
It is that daily electrical equipment 24 is powered after 220V single phase alternating current power supplies.Daily electrical equipment 24 on ship includes boat instrument, life
Area is electric, kitchen is electric, signal is illuminated etc..
The distributed power generation unit 10 of the present utility model includes photovoltaic power generation apparatus and wind electricity generating system.
The power-supply management system of the present utility model is connected with ship panel (being not drawn in figure).
The using method of a kind of described Marine Synthesize Electric Propulsion System that the utility model is also provided：
By each diesel generating set of periodic measurement in ship in oil consumption used and generated energy under different load state
Relation, draw energy conversion efficiency of the every diesel generating set in different capacity section, and demarcate every diesel generating set
In best effort it is interval；Simultaneously in ship actual moving process, each diesel generating set of on-line measurement is in ship
Oil consumption used under different load state is analyzed with the relation of generated energy, to correct the energy conversion of every diesel generating set
Efficiency and best effort are interval, while by energy conversion efficiency and optimal work in the every diesel generating set obtained after amendment
Make interval to store to the power-supply management system of ship；
In ship actual motion, power-supply management system is according to the size of full network of ship load and diesel generating set
Best effort interval carries out comprehensive analysis, is up to principle with the energy conversion efficiency of diesel generating set and determines that input diesel oil is sent out
The number and combined situation of group of motors；
The wherein course of work of the ship under different running statuses is as follows：
1. anchored condition：After the completion of anchorage regardless, bridge has assigned car instruction and has been sent to power-supply management system, power supply pipe
Reason system has been connected to after car instruction, and according to the voltage of the feedback of 27 voltmeter of common DC bus 13 electricity of energy storage device 16 is judged
Situation, and carry out mending electricity to energy storage device 16 by diesel generating set, until the electricity of energy storage device 16 is full of, disables diesel oil and send out
Group of motors, at the same power-supply management system to enable energy storage device 16, floating hydroelectric generator 8 and distributed power generation unit 10 common
Power to the auxiliary equipment 23 and daily electrical equipment 24 on ship, wherein floating type hydroelectric installation 8 is the Ship Anchoring phase
Between main electric supply installation；
2. berthing state：After ship berthing, bridge to have been assigned and be sent to power supply after car instruction and the preferential power supply of shore connection box 6
Management system, power-supply management system preferentially enables shore connection box 6 and powers to daily electrical equipment 24, and disables diesel generating set,
Charged to energy storage device 16 by shore connection box 6, while distributed power generation unit 10 carries out mending electricity to energy storage device 16, until energy storage
The electricity of device 16 is full of；
3. shifting berth and departure from port state：Bridge assigns standby car instruction and is sent to power-supply management system, and power-supply management system connects
After receiving standby car instruction, the charge condition of energy storage device 16 is judged according to the voltage of the feedback of voltmeter 13, when in energy storage device 16
Electricity when being higher than setting value, power-supply management system does not enable diesel-electric set electric supply, and power-supply management system enables energy storage dress
16 are put to ship power supply；
When the electricity in energy storage device 16 is less than setting value, power-supply management system determines throwing according to electricity difference size
Enter the number and combined situation of diesel generating set, be charged with the principle for meeting the maximum charge speed of energy storage device 16, directly
It is full of to energy storage device 16, disables diesel generating set, power-supply management system enables energy storage device 16 to ship power supply；
4. operational configuration：In running at ordinary times, power-supply management system is by the tachometer on propulsion electric machine for ship
With the bearing power table 14 on common DC bus 27, the electricity consumption loading condition of the ship under propulsion electric machine different rotating speeds is gathered,
And based on data storage in power-supply management system, using the reference data arranged as later stage ship's navigation；
When ship enters normal/cruise state, bridge assigns constant speed sailing command and sets the transmission of propulsion electric machine rotating speed
To power-supply management system, power-supply management system determines the use for corresponding to the ship under propulsion electric machine rotating speed by calling basic data
Electric loading situation, and principle is up to the energy conversion efficiency of diesel generating set, determine the number of input diesel generating set
Mesh and combined situation；
When increasing the rotating speed of propulsion electric machine in ship's navigation suddenly, ship is uprushed with electric loading, now public direct-current
Voltage on bus 27 declines, and the voltage of energy storage device 16 is higher than the voltage of common DC bus 27, and power-supply management system is enabled
Energy storage device 16 discharges rapidly to common DC bus 27, it is to avoid the voltage anticlimax on common DC bus 27, while power supply pipe
Reason system enables diesel generating set and progressively increases the fuel delivery of diesel generating set, increases generated output, to remain public
The voltage of dc bus 27；
When the remaining electricity of energy storage device 16 reaches lower limit, power-supply management system enables grid-connected of another diesel generating set
Electricity, while charge to electricity to energy storage device 16 being full of, disables diesel generating set；
When the rotating speed of propulsion electric machine is reduced in ship's navigation suddenly, the electricity consumption load dump of ship, now public direct-current
Voltage on bus 27 rises, the voltage on common DC bus 27 higher than energy storage device 16 voltage, common DC bus 27
Charge to energy storage device 16, to avoid the voltage spikes of common DC bus 27, while power-supply management system gradually reduces diesel oil sending out
The fuel delivery of group of motors, maintains the voltage stabilization on common DC bus 27.
Diesel-driven generator pool-size of the present utility model adopts 221 assembled scheme, that is, when assuming ship oepration at full load
Full electrical power peculiar to vessel is 1, and the rated generation power of corresponding three diesel generating sets is respectively 2/4,2/4,1/4, referred to as 221
Scheme, that is, add an auxiliary diesel generator 2 by two main diesel generating sets 1, totally three diesel generating sets,
It can realize that full electricity peculiar to vessel can be carried in 25%, 50%, 75%, 100%, the 125% of rated load each power section
For optimal diesel generating set energy conversion efficiency, configuration is simplified, saved cost, reached effect.
Energy storage device of the present utility model 16 selects the ship oepration at full load electricity of 1 hour as the appearance of energy storage device 16
Amount, this is berthed (including anchoring, berthing) and aeronautical data is counted and got from data by substantial amounts of to ship
As a result, the energy-conservation in the case of diesel generating set is not enabled during both having ensured vessel berth and during vessel berth, and energy
The demand of ship auxiliary equipment 23 and the electricity consumption of daily electrical equipment 24 is ensured, while variable load behaviour when also having ensured ship's navigation
The motor-driven supplement and energy-conservation of the energy, compares with the pure mode that is electric-only propulsion in work, greatly reduces the quantity of energy storage device 16, saves
Cost of investment.
The utility model is made as the standard electric system of ship on common DC bus 27 using 540V direct currents, due to this
The main application of utility model be medium and small-scale vessel, Ship Power Station power typically in 1MW or so, using the direct current of 540V
Load processed is easy to the rectification of 380V AC powers to be incorporated to, and is easy to the electrical source of power that inversion changing frequency is 380V, while using straight
The electric standard of stream, each power supply (i.e. diesel generating set, shore connection box 6, floating type hydroelectric installation 8, distributed power generation unit 10)
It is grid-connected need not move through synchronization and phase modulation, simplify operation, facilitate implementation Automatic Control.
The utility model is originated floating type hydroelectric installation 8 as the main supplementary of ship power supply, compared to existing
Source is supplemented as ship power supply using photovoltaic power generation apparatus and wind electricity generating system, navigation channel flow energy is close residing for its ship
Degree is significantly larger than the energy density of sunshine or wind energy in unit area, and the flow energy density in usual unit area navigation channel is
15-20 times of solar energy and wind energy, the electric energy that floating type hydroelectric installation 8 is provided to be much higher than photovoltaic power generation apparatus and
The electric energy that wind electricity generating system can be provided；And solar energy, wind energy are affected greatly by weather, unstable, effectively utilizes of originating
Time is short, and river water continually, does not day and night stop, steady sources, and the effectively utilizes time is long.Generally, photovoltaic power generation apparatus
Generating efficiency in the case of sun light direct beam is 100W/ square metre, installs 40 square metres of photovoltaic panels according to ship and calculates,
Peak power is 4kw, and daily generating dutation only has or so half a day, and is affected very big by weather.Ship wind power generation is filled
The power put typically not over 1kw, is affected greatly by weather.And the work(of the floating type hydroelectric installation of ship of 2.0 meters of diameter
Rate commonly reaches 5-10KW or so, and can around the clock power, and according to ship 1 or 2 floating hydroelectric generators are installed
Calculate, the need for electricity during can meeting vessel berth substantially, with good economic performance.
It is of the present utility model during vessel berth, full marine electric is more frequent than relatively decentralized, various Smaller load start and stop, right
Need to start diesel-driven generator in traditional mechanically-propelled mode to power, its diesel-driven generator is in underrun, noise is big, oil
Consumption is high, very uneconomical.And the utility model is powered by energy storage device 16, the floating type hydroelectric installation 8 of ship or bank electricity
Case 6 mends electricity, power supply plan is quiet, cleaning, it is to avoid noise, exhaust emission and a underload caused by diesel generating set operation institute
The problem of caused fallback.
During shifting berth and departure from port operation, frequently, the working time is short, overall work(for propulsion load variations for the utility model ship
Less, for the electric propulsion scheme of prior art need to start main diesel-driven generator, it equally exists underload, inefficient fortune to rate
Row and the problem of generation load impact.And the utility model is powered by energy storage device 16 for propulsion electric machine, fast response time,
Quiet, cleaning, energy conversion efficiency is high.
During navigation, pure for prior art is electric-only propulsion mode to the utility model ship, and it cannot enter at all
Row long distance running, and for the electric propulsion mode of prior art, its energy conversion efficiency is not high.And ship of the present utility model
Oceangoing ship synthesis electrical method system, its diesel-driven generator pool-size realizes the most Canon of total power section from the scheme of 221 combinations
Source conversion efficiency combination, greatly improves energy use efficiency, reduces disposal of pollutants, while increased energy storage device 16 is realized
The effect stable with diesel-driven generator is maintained to the peak load shifting of voltage ripple of power network, it is to avoid diesel-driven generator is hit negative
The harm of lotus.By Marine Synthesize Electric Propulsion System of the present utility model, it is left that ship craft integrated energy-saving effect can reach 15%
The right side, it is annual using propulsion system ship of the present utility model according to the scale that China's such oil consumption is 20,000,000 tons in ship year
Amount of energy saving be 3,000,000 tons or so.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of without departing from the utility model spirit and scope
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (10)
1. a kind of Marine Synthesize Electric Propulsion System, it is characterised in that：Including power-supply management system, diesel generating set, energy storage
Device, shore connection box, floating type hydroelectric installation, distributed power generation unit, propulsion electric machine and propeller, the propulsion electric machine bag
Include right propulsion electric machine and left propulsion electric machine, the propeller includes right-hand screw oar and left-hand airscrew, the diesel generating set according to
Secondary rectified device and output power table are electrically connected with common DC bus, the energy storage device by two-way DC/DC converters with
The common DC bus electrical connection, the shore connection box, floating type hydroelectric installation and distributed power generation unit pass through respectively
Rectifier four, rectifier five and rectifier six are electrically connected with the common DC bus, and the common DC bus Jing loads work(
Rate table is electrically connected with inversion/frequency converter one, inversion/frequency converter two, inversion/frequency converter three and inversion/frequency converter four, described inverse
Change/frequency converter one, inversion/frequency converter two, inversion/frequency converter three and inversion/frequency converter four respectively with the right propulsion electric machine, a left side
The electrical connection of propulsion electric machine, auxiliary equipment and daily electrical equipment, the right propulsion electric machine is connected with the right-hand screw oar, described
Left propulsion electric machine is connected with the left-hand airscrew；Voltmeter is connected with the common DC bus；
The output power table, bearing power table and voltmeter are connected with the power-supply management system, the power management
System respectively with the diesel generating set, energy storage device, shore connection box, floating type hydroelectric installation and distributed power generation unit
It is connected.
2. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the diesel generating set
By the main diesel generating set of two capacity identicals and the auxiliary diesel generater set group of the main diesel generating set half capacity
Into the capacity sum of main diesel generating set described in two meets full marine electric demand, the rectifier during ship oepration at full load
Including rectifier one, rectifier two and rectifier three, main diesel generating set described in two is respectively by rectifier one and rectifier
Two electrically connect with the output power table, and the auxiliary diesel generater set is electrically connected by rectifier three with the output power table
Connect.
3. a kind of Marine Synthesize Electric Propulsion System according to claim 2, it is characterised in that main diesel generation described in two
Unit and auxiliary diesel generater set respectively after rectifier one, rectifier two and the rectification of rectifier three, by main bavin described in two
The 380V three-phase alternating-current supplies that fry dried food ingredients group of motors and auxiliary diesel generater set are adopted are converted into being input into after 540V dc sources
The common DC bus；After shore connection box rectified device four rectification, AC power is changed into defeated after 540V dc sources
Enter common DC bus；The floating type hydroelectric installation and distributed power generation unit distinguish rectified device five and rectifier six
AC power is changed into after rectification be input into common DC bus after 540 dc sources.
4. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the energy storage device is by surpassing
Level electric capacity and rechargeable lithium ion battery are constituted.
5. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the appearance of the energy storage device
Measure the capacity as the energy storage device for the ship oepration at full load electricity of 1 hour.
6. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the common DC bus
540V dc sources are changed into into 380V after inversion/frequency converter one and inversion/frequency converter two described in and frequency is 0-50 conspicuous
Right propulsion electric machine is respectively after the three-phase alternating-current supply adjusted between hereby and left propulsion electric machine is powered.
7. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the common DC bus
It is auxiliary equipment confession Jing after 540V dc sources to change into inversion/frequency converter three 380V and frequency is 50 hertz of AC power
Electricity.
8. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the common DC bus
It is that daily electrical equipment is powered Jing after 540V dc sources are changed into 220V single phase alternating current power supplies by inversion/frequency converter four.
9. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the distributed power generation dress
Put including photovoltaic power generation apparatus and wind electricity generating system.
10. a kind of Marine Synthesize Electric Propulsion System according to claim 1, it is characterised in that the power management system
System is connected with ship panel.
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| CN201621109597.4U CN206087247U (en) | 2016-10-10 | 2016-10-10 | Electrically -propelled system is synthesized to boats and ships |
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| CN201621109597.4U CN206087247U (en) | 2016-10-10 | 2016-10-10 | Electrically -propelled system is synthesized to boats and ships |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106364651B (en) * | 2016-10-10 | 2018-07-17 | 长沙绿航节能科技有限公司 | A kind of Marine Synthesize Electric Propulsion System and application method |
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