CN109367750A - Shaft generator control system and ship hybrid power system - Google Patents
Shaft generator control system and ship hybrid power system Download PDFInfo
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- CN109367750A CN109367750A CN201811472861.4A CN201811472861A CN109367750A CN 109367750 A CN109367750 A CN 109367750A CN 201811472861 A CN201811472861 A CN 201811472861A CN 109367750 A CN109367750 A CN 109367750A
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- 230000005540 biological transmission Effects 0.000 claims description 34
- 230000005611 electricity Effects 0.000 claims description 30
- 230000009467 reduction Effects 0.000 claims description 14
- 238000005183 dynamical system Methods 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/20—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/21—Control means for engine or transmission, specially adapted for use on marine vessels
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The present invention provides a kind of shaft generator control system and ship hybrid power systems, comprising: DC bus；Shaft generator, the shaft generator are connect by the first frequency converter with the DC bus；Battery pack, the battery pack are connect by DC converter with the DC bus.When ship running enters emission control area, using the electric energy propelling ship of battery storage, substantially without exhaust emissions, the emission request in emission control area is fully met.In addition, by the way that shaft generator is arranged, can efficiently use marine main engine (such as, diesel engine) power margin, so that marine main engine remains on higher fuel efficiency point, fuel economy significantly improves, while significantly increasing marine main engine service life, and economy and the feature of environmental protection are greatly improved.
Description
Technical field
The present invention relates to technical field of ships, especially a kind of shaft generator control system and ship hybrid power system
System.
Background technique
Problem of environmental pollution brought by Shipping becomes increasingly conspicuous, according to measuring and calculating, national ship sulfur dioxide row in 2013
High-volume account for about the 8.4% of national total emission volumn, nitrogen oxide emission accounts for 11.3%.Therefore, China sets up ship discharge control
Area processed has formulated more stringent discharge standard.In order to adapt to the new regulation in ship emission control area, a large amount of ships face at present
Upgrading changes low-sulfur oil in emission control area or installs diesel exhaust emission reduction device additional, while needing to consider in ship
Upper installation bank electricity grid-connecting apparatus.Big with upper type cost input, vent gas emission reduction apparatus size is big, needs catalytic converter system,
It installs bank electricity grid-connecting apparatus additional and also needs to consider network of ship and the grid-connected matching of bank electricity.What bank electricity producer of the country produced at present is big
Majority is all low pressure bank electricity equipment, is similar to low-voltage alternating-current charging pile, and without grid-connecting apparatus, many bank electricity facilities are in and build not
Less, few awkward condition.
Summary of the invention
It is an object of the present invention to the means using a kind of novel energy-conserving, are transformed to spot ship, keep it full
Sufficient emissions requirements.
Present invention firstly provides a kind of shaft generator control systems, comprising: DC bus；Shaft generator, the axis hair
Motor is connect by the first frequency converter with the DC bus；Battery pack, the battery pack pass through DC converter and described straight
Flow bus connection.
It optionally, further include bank electricity interface, the bank electricity interface is connected by rectifier with the DC bus, the bank
Breaker is provided between electrical interface and the rectifier.
It optionally, further include the emergency power generation power supply in parallel with the bank electricity interface.
It optionally, further include the second frequency converter, second frequency converter is connected with the DC bus, for ship
Electric load power supply.
Optionally, second frequency converter includes the multiple of parallel connection, is respectively used to carry out different types of electric load
Power supply.
Optionally, the battery pack is connected with power-supply management system.
The present invention also provides a kind of ship hybrid power systems, comprising: reduction gearbox, the reduction gearbox include the first transmission
Chain and the second transmission chain, the output end of first transmission chain are connected with the input terminal of second transmission chain；Diesel engine passes through
First clutch is connected with the input terminal of first transmission chain；Any of the above-described kind of shaft generator control system, wherein described
Shaft generator is connected by second clutch with the input terminal of second transmission chain；Propeller, with second transmission chain
Output end is connected.
Optionally, the quantity of the dynamical system is two groups or more.
Optionally, the reduction gearbox includes: intermeshing first gear and second gear, wherein the first gear
It is connected by the first clutch with the diesel engine；Intermeshing third gear and the 4th gear, wherein the third
Gear is connected by second clutch with the shaft generator；Intermeshing 5th gear and the 6th gear；And first connect
Spindle, one end are connected with the second gear, and the other end is connected with the shaft generator；Second connecting shaft, one end and described the
Four gears are connected, and the other end is connected with the 5th gear；Third connecting shaft, one end are connected with the 6th gear, the other end
It is connected with the propeller.
Optionally, the first gear is sheathed in second connecting shaft, and the first gear is connect with described second
Unpowered transmitting between axis；The third gear is set in first connecting shaft, and the third gear and described second connects
Unpowered transmitting between spindle.
Therefore, shaft generator control system provided by the invention and ship hybrid power system, when ship running enters discharge
When control zone, using the electric energy propelling ship of battery storage, substantially without exhaust emissions, emission control area is fully met
Emission request.In addition, the power margin of marine main engine (for example, diesel engine) can be efficiently used by setting shaft generator, so that
Marine main engine remains on higher fuel efficiency point, and fuel economy significantly improves, while significantly increasing ship
Host service life, economy and the feature of environmental protection are greatly improved.
Detailed description of the invention
Fig. 1 is ship mixed power system structure figure provided in an embodiment of the present invention；
Fig. 2 is the structure chart of retarder provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification
Revealed content is understood other advantages and efficacy of the present invention easily.Although description of the invention will combine preferred embodiment
It introduces together, but this feature for not representing the invention is only limitted to the embodiment.On the contrary, being invented in conjunction with embodiment
The purpose of introduction is to be possible to the other selections extended or transformation to cover based on claim of the invention.In order to mention
For that will include many concrete details in depth understanding of the invention, being described below.The present invention can also be thin without using these
Section is implemented.In addition, in order to avoid confusion or obscuring emphasis of the invention, some details will be omitted in the de-scription.
With reference to Fig. 1, a kind of shaft generator control system 10, including DC bus 11, shaft generator are present embodiments provided
12 and battery pack 13.In the present invention, it is the abbreviation of ship axle generator that " shaft generator ", which is this field technical term, can work
Make in generating state and motoring condition.
Shaft generator 12 is connected by the first frequency converter 14 with DC bus 11, and the first frequency converter 14 is AC/DC frequency converter,
When shaft generator 12 is in generating state, the output voltage of shaft generator 12 is converted to stable direct current by the first frequency converter 14
Voltage, and it is supplied to DC bus 11；When shaft generator 12 is in motoring condition, the first frequency converter 14 will be on DC bus 11
Voltage be converted to shaft generator 12 needed for operating voltage, provide enough power for shaft generator 12.
In addition, passing through the adjusting of the first frequency converter 14, the positive and negative rotation for realizing shaft generator 12 can be facilitated to adjust and electrodeless tune
Speed can replace the displacement paddle of ship with spacing paddle, substantially reduce the cost and failure rate of marine propuision system on this basis.
Battery pack 13 is connected by DC converter 15 with DC bus 11, and DC converter 15 is DC/DC converter, directly
Current converter 15 is for the voltage conversion between DC bus 11 and battery pack 13, to facilitate the charge and discharge to battery pack 13 to carry out
Control.
When ship running is at common sea area, shaft generator 12 can work in generating state (for example, using marine main engine
Power margin drives shaft generator 12), the electric energy that shaft generator 12 generates is transported to DC bus 11 by the first frequency converter 14,
It is charged again by DC converter 15 to battery pack 13；After ship running enters emission control area, shaft generator 12 can
In motoring condition, i.e., the electrical energy drive shaft generator 12 stored using battery pack 13, shaft generator 12 is driven as motor for work
Dynamic propeller for vessels 50 rotates, with propelling ship.
The shaft generator control system 10 provided through the invention, when ship running enters emission control area, using electricity
It can be carried out driving, substantially without exhaust emissions, fully meet the emission request in emission control area.In addition, being generated electricity by setting axis
Machine 12 can efficiently use the power margin of marine main engine (for example, diesel engine 40) so that marine main engine remain at it is higher
On fuel efficiency point, fuel economy is significantly improved, while significantly increasing marine main engine service life, economy and environmental protection
Property is greatly improved.
In the present embodiment, control system 10 further includes bank electricity interface 17, and bank electricity interface 17 is female by rectifier 18 and direct current
Line 11 is connected.After ship pulls in shore, bank electricity interface 17 can connect with exchange bank electricity, exchange bank electricity by the rectification of rectifier 18 it
It afterwards can be to DC side (part on 11 right side of DC bus in Fig. 1) power supply of control system 10.In the present embodiment, work as ship
When bank, it is convenient to take bank electricity electric energy, can also be other electric loads 63 on ship while for the charging of battery pack 13
Power supply, bank electricity access is simple, without the concern for the grid-connected trouble of distribution side.
Further, breaker 19 is provided between bank electricity interface 17 and rectifier 18, with control exchange bank electricity and rectification
On-off between device 18 (that is, entire shaft generator control system 10).
In the present embodiment, control system 10 further includes the second frequency converter 16, and the second frequency converter 16 is connected with DC bus 11,
For powering to the electric load 63 on ship, here, " electric load " refers to other electricity consumptions on ship in addition to propeller 50
Equipment, for example, ship crane, lighting apparatus, heating and ventilating equipment etc..Second frequency converter 16 is DC/AC frequency converter, can be by direct current mother
Voltage needed for voltage on line 11 is adjusted to marine vessel power load 63.
Optionally, the quantity of the second frequency converter 16 is multiple, parallel with one another between multiple second frequency converters 16, is respectively used to
Different types of electric load 63 is powered.For example, ship crane and ship's service lighting equipment are different to input voltage
Demand at this moment can be powered by the second different frequency converters 16.
Optionally, battery pack 13 is connected with power-supply management system 61, is carried out by power-supply management system 61 to battery pack 13
Management, so that battery pack 13 works in stable, energy-efficient state.
In the present embodiment, control system 10 further includes the emergency power generation power supply 62 in parallel with bank electricity interface 17, when direct current becomes
When parallel operation 15 and/or battery pack 13 fail, emergency power generation power supply 62 can be started, be powered for control system 10.When ship needs
When wanting extra-push model, emergency power generation power supply 62 can also be started, provide excess power for shaft generator 12, ship is made to accelerate to promote.
The present embodiment additionally provides a kind of ship hybrid power system 1, including reduction gearbox 20, diesel engine 40, shaft generator
Control system 10 and propeller 50.
Reduction gearbox 20 includes the first transmission chain 21 and the second transmission chain 22, wherein the output end of the first transmission chain 21 and the
The input terminal of two transmission chains 22 is connected；Diesel engine 40 is connected by first clutch 31 with the input terminal of the first transmission chain 21；Axis
Generator 12 is connected by second clutch 32 with the input terminal of the second transmission chain 22；Propeller 50 is defeated with the second transmission chain 22
Outlet is connected.
By above-mentioned setting, the disengagement or engagement of first clutch 31 and second clutch 32 need to be only controlled, can be realized
Free switching of the ship hybrid power system 1 between following several operating modes:
Operating mode 1: electric-only mode
First clutch 31 disengages, and second clutch 32 engages, and diesel engine 40 stops working, and shaft generator 12 is as electronic
Machine work, propelling ship.At this point, power pass order are as follows:
13 → shaft generator of battery pack, 12 → the second 22 → propeller of transmission chain 50；And/or
13 → DC bus of battery pack, 11 → electric load 63.
Operating mode 2: diesel propulsion mode
First clutch 31 and second clutch 32 engage, and shaft generator 12 is in off position (i.e. shaft generator
12 disconnect with DC bus 11), 40 propelling ship of diesel engine.At this point, power pass order are as follows:
40 → the first transmission chain of diesel engine, 21 → the second 22 → propeller of transmission chain 50.
Operating mode 3: hybrid mode
First clutch 31 and second clutch 32 are in meshing state, and diesel engine 40 is prime mover, shaft generator 12
According to the power rating of diesel engine 40, working in generator or electric motor state, (shaft generator 12 is electrically connected with DC bus 11
It connects).I.e. when 40 underpower of diesel engine, shaft generator 12 works in electric motor state, additional dynamic to provide for propeller 50
Power；When 40 power of diesel engine is more than needed, shaft generator 12 works in Generator Status, for absorbing the function more than needed of diesel engine 40
Rate, so that diesel engine 40 be made to work in best power point.At this point, power pass order are as follows:
40 → the first 21 → shaft generator of transmission chain of diesel engine, 12 → the second 22 → propeller of transmission chain 50；
Wherein, when shaft generator 12 works in electric motor state, the electric energy provided using battery pack 13 is generated and first
Torque on transmission chain 21 compensating torque in the same direction, after which is superimposed with the torque on the first transmission chain 21, transmitting
To the second transmission chain 22, so that the received torque of propeller 50 is greater than the torque that diesel engine 40 provides, i.e., at this point, axis generates electricity
The effect of machine 12 is to provide extra power for propeller 50；
When shaft generator 12 works in Generator Status, using the power margin of diesel engine 40, generate and the first transmission
The reversed moment of resistance of torque on chain 21, at this point, the received torque of propeller 50 is less than the torque that diesel engine 40 provides；The resistance
Square drives shaft generator 12 to generate electricity, and the electric energy of generation can be transmitted to battery pack 13 by DC bus 11 and store, can also
Think that the electric load 63 on ship is powered.
By the control to the first frequency converter 14, DC converter 15, shaft generator 12 may make to work in motor shape
State or Generator Status efficiently use so as to the power margin to diesel engine 40, so that diesel engine 40 works always
In best power point, energy conservation and environmental protection.
Operating mode 4: pure power generation mode
First clutch 31 engages, and second clutch 32 disengages, and shaft generator 12 works as generator, and ship stopping pushes away
Into.At this point, power pass order are as follows:
40 → the first 11 → battery pack of transmission chain 21 → shaft generator, 12 → DC bus 13 of diesel engine and/or electric load
63。
In the present embodiment, in mechanical structure, it is only necessary to which the engagement and disengagement for controlling two clutches can be realized 4 kinds
Seamless switching between operating mode operates convenient, ingenious in design.
It may include multiple groups dynamical system 1 in the present invention.In the present embodiment, the quantity of dynamical system 1 is two groups, i.e., originally
In embodiment, the hybrid power system 1 including compositions such as two groups of diesel engines 40, reduction gearbox 20, shaft generator control systems 10.It is logical
The setting is crossed, ship may make to promote side to generate electricity in working region inner edge.
For example, when ship (especially marine worker ship, such as ocean platform) in working region needs short distance mobile but simultaneously
When needing prolonged electric power, it may make one group of dynamical system 1 dedicated for power supply, another group of dynamical system 1 is dedicated for pushing away
Into.For example, being powered using first group of dynamical system 1, that is, the second clutch 32 in first group of dynamical system 1 is disengaged, is made
The diesel engine 40 of this group of dynamical system 1 drives shaft generator 12 to generate electricity, and provides electric energy for electric load 63 on ship；Utilize second
Group dynamical system 1 drives propeller 50 by the diesel engine 40 of this group of dynamical system 1 and/or shaft generator 12 for promoting,
Ship is set to carry out short distance mobile.
With reference to Fig. 2, in the present embodiment, reduction gearbox 20 includes:
Intermeshing first gear 211 and second gear 212, wherein first gear 211 by first clutch 31 with
Diesel engine 40 is connected；
Intermeshing third gear 223 and the 4th gear 224, wherein third gear 223 by second clutch 32 with
Shaft generator 12 is connected；
Intermeshing 5th gear 225 and the 6th gear 226；
First connecting shaft 23, one end are connected with shaft generator 12, and the other end is connected with second gear 212；
Second connecting shaft 24, one end are connected with the 4th gear 224, and the other end is connected with the 5th gear 225；
Third connecting shaft 25, one end are connected with the 6th gear 226, and the other end is connected with propeller 50.
That is, in the present embodiment, the gear sequences of the first transmission chain 21 are as follows: (40 → first clutch of diesel engine 31) → first
211 → second gear of gear, 212 → the first 23 → (shaft generator 12) of connecting shaft；
The gear sequences of second transmission chain 22 are as follows: (12 → second clutch of shaft generator 32) → third gear 223 → the
The 225 → the 6th 226 → third of gear connecting shaft, 25 → (propeller 50) of four gears, 224 → the second the 24 → the 5th gear of connecting shaft.
In the present embodiment, the transmission demand of above 4 kinds of operating modes only can be realized to (6) gear by 3, tie
Structure is simple and compact, ingenious in design.
Further, first gear 211 is set in the second connecting shaft 24, but first gear 211 and the second connecting shaft 24
Between do not transmit torque (for example, first gear 211 is set in the second connecting shaft 24 by bearing), i.e., the second connecting shaft 24 is right
First gear 211 only plays a supportive role, and may make 20 structure of reduction gearbox more compact.
Further, third gear 223 is set in the first connecting shaft 23, but third gear 223 and the first connecting shaft 23
Between do not transmit torque (for example, third gear 223 is set in the first connecting shaft 23 by bearing), i.e. the first connecting shaft 23 is to
Three gears 223 only play a supportive role, and are further simplified the structure of reduction gearbox 20.
In conclusion above-described embodiment provided by the invention only illustrates the principle of the present invention and its effect, not for limit
The system present invention.Any person skilled in the art all without departing from the spirit and scope of the present invention, to above-described embodiment into
Row modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit
With all equivalent modifications completed under technical idea or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of shaft generator control system characterized by comprising
DC bus；
Shaft generator, the shaft generator are connect by the first frequency converter with the DC bus；
Battery pack, the battery pack are connect by DC converter with the DC bus.
2. shaft generator control system according to claim 1, which is characterized in that further include bank electricity interface, the bank electricity
Interface is connected by rectifier with the DC bus, is provided with breaker between the bank electricity interface and the rectifier.
3. shaft generator control system according to claim 2, which is characterized in that further include in parallel with the bank electricity interface
Emergency power generation power supply.
4. shaft generator control system according to claim 1, which is characterized in that it further include the second frequency converter, described
Two frequency converters are connected with the DC bus, for powering to the electric load on ship.
5. shaft generator control system according to claim 4, which is characterized in that second frequency converter includes in parallel
It is multiple, it is respectively used to be powered different types of electric load.
6. shaft generator control system according to claim 1, which is characterized in that the battery pack and power-supply management system
It is connected.
7. a kind of ship hybrid power system characterized by comprising
Reduction gearbox, the reduction gearbox include the first transmission chain and the second transmission chain, the output end of first transmission chain with it is described
The input terminal of second transmission chain is connected；
Diesel engine is connected by first clutch with the input terminal of first transmission chain；
Shaft generator control system as described in claim 1~6 is any, wherein the shaft generator passes through second clutch
It is connected with the input terminal of second transmission chain；
Propeller is connected with the output end of second transmission chain.
8. shaft generator control system according to claim 7, which is characterized in that the quantity of the dynamical system is two groups
Or it is more than two.
9. ship hybrid power system according to claim 7, which is characterized in that the reduction gearbox includes:
Intermeshing first gear and second gear, wherein the first gear passes through the first clutch and the bavin
Oil machine is connected；Intermeshing third gear and the 4th gear, wherein the third gear passes through second clutch and the axis
Generator is connected；Intermeshing 5th gear and the 6th gear；And
First connecting shaft, one end are connected with the second gear, and the other end is connected with the shaft generator；
Second connecting shaft, one end are connected with the 4th gear, and the other end is connected with the 5th gear；
Third connecting shaft, one end are connected with the 6th gear, and the other end is connected with the propeller.
10. ship hybrid power system according to claim 9, which is characterized in that the first gear is sheathed on described
In second connecting shaft, unpowered transmitting between the first gear and second connecting shaft；The third gear is set in institute
It states in the first connecting shaft, unpowered transmitting between the third gear and second connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472861.4A CN109367750A (en) | 2018-12-04 | 2018-12-04 | Shaft generator control system and ship hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472861.4A CN109367750A (en) | 2018-12-04 | 2018-12-04 | Shaft generator control system and ship hybrid power system |
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| Publication Number | Publication Date |
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| CN109367750A true CN109367750A (en) | 2019-02-22 |
Family
ID=65375516
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811472861.4A Pending CN109367750A (en) | 2018-12-04 | 2018-12-04 | Shaft generator control system and ship hybrid power system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332443A (en) * | 2020-03-28 | 2020-06-26 | 哈尔滨工程大学 | AC-DC main network ship ammonia-electricity hybrid power system |
| CN111907679A (en) * | 2020-08-13 | 2020-11-10 | 无锡赛思亿电气科技有限公司 | Control method of direct-current networking ship hybrid power propulsion system |
| WO2021175695A1 (en) * | 2020-03-05 | 2021-09-10 | Siemens Energy AS | Vessel energy management system |
| CN114084334A (en) * | 2021-11-18 | 2022-02-25 | 江南造船(集团)有限责任公司 | Ship navigation system and method based on power battery energy conversion |
| CN114906309A (en) * | 2022-04-27 | 2022-08-16 | 江南造船(集团)有限责任公司 | Ship hybrid power operation method, ship hybrid power system and ship |
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