CN114248882B - Simulation experiment device of hybrid power ship and control method thereof - Google Patents
Simulation experiment device of hybrid power ship and control method thereof Download PDFInfo
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- CN114248882B CN114248882B CN202210028473.7A CN202210028473A CN114248882B CN 114248882 B CN114248882 B CN 114248882B CN 202210028473 A CN202210028473 A CN 202210028473A CN 114248882 B CN114248882 B CN 114248882B
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- 238000004088 simulation Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 claims abstract description 84
- 239000000446 fuel Substances 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 238000002474 experimental method Methods 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
Abstract
The invention belongs to the technical field of simulation experiment equipment, and discloses a simulation experiment device of a hybrid power ship and a control method thereof, wherein the simulation experiment device comprises an electric system composed of a permanent magnet synchronous motor, a permanent magnet synchronous generator, a bidirectional power converter, a simulation load and the like; the invention simulates mechanical elements by using electric elements, and simulates mechanical coupling by using a permanent magnet synchronous motor, a permanent magnet synchronous generator and a bidirectional power converter to simulate a dual-fuel host and a clutch, and simulates a propeller by using the converter and a simulation load, and the mechanical characteristics are simulated by using the electric elements. The invention can reduce the fuel consumption of the internal combustion engine of the ship and the noise pollution caused by the mechanical gear box, is green and environment-friendly, and can effectively promote the popularization and development of new energy ships; the simulation working condition is flexible; safety, environmental protection and low noise; low energy consumption and high economical efficiency.
Description
Technical Field
The invention belongs to the technical field of simulation experiment equipment, and particularly relates to a simulation experiment device of a hybrid power ship and a control method thereof.
Background
At present, in order to respond to the call of energy conservation and emission reduction, hybrid power ships are becoming more popular, and compared with the traditional ship propelled by a diesel engine, the hybrid power ship using the oil-electricity hybrid power system has more advantages and characteristics: 1. the economical efficiency, the hybrid power ship can adjust the operation mode according to the working condition when in operation, the comprehensive energy efficiency of the power system is improved, and the propulsion efficiency is improved; 2. the mobility, the oil-electricity hybrid power system can control the use amount of the diesel engine and the permanent magnet synchronous motor according to the required navigational speed of the ship, and the mobility performance of the power system is improved; 3. compared with the traditional ship propelled by a pure diesel engine, the safety is improved, the hybrid power ship has double kinetic energy, can be flexibly switched under emergency conditions, and is improved in safety; 4. the environment protection performance, the power system participated by the electric power, compared with the power system of a pure diesel engine, can reduce the emission of pollutants.
The safety navigation of the hybrid power ship is ensured, and in order to make the distribution of the power system of the hybrid power ship more reasonable, a simulation experiment is necessary. Firstly, the simulation experiment can better find out problems, and the PTI, PTO, PTH and other data are checked through the simulation experiment, so that the simulation experiment is safer and more reliable. And secondly, the simulation experiment is flexible, and manpower and material resources can be saved to a certain extent. Finally, the simulation experiment has more economical efficiency and environmental protection, and the electric energy generated by the simulation experiment can be utilized to the whole power grid system, and no pollutant is generated.
Through the above analysis, the problems and defects existing in the prior art are as follows:
the existing simulation experiment device of the hybrid power ship is complex in operation and large in noise.
The difficulty of solving the problems and the defects is as follows:
the existing simulation experiment device of the hybrid power ship utilizes a mechanical gear box, so that the problem of high noise exists naturally, and the mechanical gear box can limit input voltage and current, so that the whole device is more complicated in the connection process, and the operation is complicated.
The meaning of solving the problems and the defects is as follows:
the experiment is more environment-friendly, the electric coupling is used for simulating mechanical coupling, the electric element combination is used for simulating and replacing a mechanical gear box, noise pollution is reduced, the experimental device is connected more simply, and experimental operation is convenient. And the electric energy generated at the end of the experiment can be utilized to the whole power grid system, so that the environment-friendly type power grid system is improved.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a simulation experiment device of a hybrid power ship and a control method thereof.
The invention is realized in such a way that a simulation experiment device of a hybrid power ship comprises:
the double-fuel main engine simulation module is used for simulating a double-fuel main engine through the first permanent magnet synchronous motor and providing power for the propeller; the dual-fuel host simulation module is in PTO mode if acting alone in the experiment.
The propulsion motor simulation module is used for simulating a propulsion motor through a second permanent magnet synchronous motor and providing power for the propeller; the propulsion motor simulation module is a PTH mode if acting independently in an experiment.
Furthermore, in the experimental process, the dual-fuel host simulation module and the propulsion motor simulation module simultaneously act to provide power for the propeller, and then the mode is a PTI mode. And in the experimental process, according to different required power and different running states, PTO, PTI or PTH modes can be timely selected.
The PTO mode is a mode when the dual-fuel host simulation module independently operates, the principle of the PTO mode is that the dual-fuel host simulation module independently provides power, the simulation propeller recovers energy to charge an energy storage battery, and most of the mode is applied to a system stable operation stage.
The PTI mode is a mode when the propulsion motor simulation module operates independently, the principle of the PTI mode is that the propulsion motor simulation module provides power independently, at the moment, the dual-fuel host simulation module does not work to achieve the purpose of saving energy, and the PTI mode is used for a stage when the system starts to operate.
The PTH mode provides power for the hybrid energy source, the principle is that the dual-fuel main engine simulation module and the propulsion power simulation module work together, the purpose of energy saving is achieved by controlling the energy input ratio, and the mode can be used at any stage.
The electric coupling simulation mechanical coupling module is used for simulating mechanical elements by using electric elements and simulating mechanical coupling by using electric coupling; the high-efficiency low-noise transmission device is simulated by using the electric elements, the transmission effect of the gearbox is simulated, and the problems of complex connection operation and high noise are solved.
And the simulation propeller module is used for simulating a propeller by using the permanent magnet synchronous generator, the AC/DC converter and the load.
Further, the electric coupling simulation mechanical coupling module is a simulation hybrid power gear box and is composed of two permanent magnet synchronous generators, two AC/DC converters, a DC/AC converter and a third permanent magnet synchronous motor.
Further, the first permanent magnet synchronous motor and the second permanent magnet synchronous motor are respectively connected with an AC/DC converter, and the third permanent magnet synchronous motor is connected with a permanent magnet synchronous generator in the analog propeller module.
Furthermore, the load has energy feedback, and the excess current generated in the whole simulation experiment is fed back into the power system of the simulation experiment after passing through the load through the energy feedback for recycling.
Another object of the present invention is to provide a control method of a simulation experiment apparatus of a hybrid ship, the control method of the simulation experiment apparatus of the hybrid ship including:
step one, kinetic energy generated by a first permanent magnet synchronous motor of a simulated dual-fuel host drives a first permanent magnet synchronous generator to generate electric energy, and kinetic energy generated by a second permanent magnet synchronous motor of a simulated propulsion motor drives a second permanent magnet synchronous generator to generate electric energy;
step two, converting alternating currents generated by the first permanent magnet synchronous generator and the second permanent magnet synchronous generator into direct currents through the first AC/DC converter and the second AC/DC converter respectively for rectification;
step three, converting the rectified direct current into alternating current through a DC/AC converter to drive a third permanent magnet synchronous motor to generate kinetic energy;
and step four, kinetic energy generated by the third permanent magnet synchronous motor drives the third permanent magnet synchronous generator to generate alternating current, and the alternating current is converted into direct current through the third AC/DC converter to supply power for a load.
Further, the control method of the simulation experiment device of the hybrid power ship controls the movement of the load by controlling the rotating speed of the permanent magnet synchronous motor so as to achieve the simulation effect;
the rotation speed of the permanent magnet synchronous motor is controlled by the following methods:
in the first mode, the highest power supply voltage of the controller is changed; changing the torque and the torque angle of the upper machine position of the permanent magnet synchronous motor; in the third mode, the torque current maximum ratio is changed.
The first mode is as follows: the input voltage of the permanent magnet synchronous motor is changed by changing the highest power supply voltage of the controller, so that the aim of changing the rotating speed is fulfilled.
The second mode is as follows: the direct torque method directly affects the torque output value by controlling parameters in the torque formula. The moment angle is selected as the control object. Taking a built-in rotor permanent magnet synchronous motor as an example, a specific method is described. Under the condition that the power supply voltage and the stator magnetic field frequency are constant, the motor outputs torque in real time, and the torque is proportional to the sine value of the torque angle.
The electromagnetic torque value corresponding to each torque angle can be calculated in an off-line state to form a vector table, and the vector table is stored in the upper computer. In the running process of the motor controller, the torque and the torque angle are observed in real time, and the original values in the table are extracted for comparison. When the value of the table is found to be in or out, the power supply voltage value is adjusted to correct the torque. The direct torque method has good robustness and simple algorithm, does not need coordinate transformation, and is a control method which is applied more in early stages. However, in this method, the control accuracy is drastically reduced at a low rotation speed. And thus can be selected for use only below the fundamental frequency.
The third mode is as follows: the currents are decoupled in a d-q coordinate system, and the maximum ratio of the torque current of each component is respectively calculated so as to obtain the maximum torque under the determined exciting current. The presence of a maximum is determined by taking the second derivative. In the speed regulation interval, the torque current ratio is derived, the second derivative is smaller than 0, and the maximum value of the torque current ratio exists.
By combining all the technical schemes, the invention has the advantages and positive effects that:
the invention simulates mechanical elements by using the electrical elements, and simulates mechanical coupling by using the electrical coupling, namely, the characteristics of the machinery are simulated by using the electrical elements, so that the invention has flexible simulation working conditions; safety, environmental protection and low noise; low operation energy consumption and high economical efficiency.
The invention can more conveniently carry out experiments of the hybrid power ship, can effectively change parameters, more reasonably optimize PTI, PTO, PHT mode and effectively improve the hybrid power ship; the fuel loss of the ship internal combustion engine and noise pollution caused by a mechanical gear box can be reduced, and the ship internal combustion engine is environment-friendly. Can effectively promote the popularization and development of new energy ships.
The simulation device structure of the experiment has common points with the micro-grid structure of the hybrid power ship, and can better apply data to practice after the experiment. The simulation experiment device solves the problems of complex operation and high noise, and solves the problem of high requirement on the experiment environment to a certain extent, so that the experiment can be carried out more conveniently and quickly, and the indoor experiment can be carried out in a limited space.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings needed in the embodiments of the present application, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an experimental block diagram of a simulation experiment device of a hybrid ship provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a simulation experiment device of a hybrid power ship according to an embodiment of the present invention.
In the figure: 1. a first permanent magnet synchronous motor; 2. a first permanent magnet synchronous generator; 3. a first AC/DC converter; 4. a second permanent magnet synchronous motor; 5. a second permanent magnet synchronous generator; 6. a second AC/DC converter; 7. a DC/AC converter; 8. a third permanent magnet synchronous motor; 9. a third permanent magnet synchronous generator; 10. a third AC/DC converter; 11. and (3) loading.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Aiming at the problems existing in the prior art, the invention provides a simulation experiment device of a hybrid power ship and a control method thereof, and the invention is described in detail below with reference to the accompanying drawings.
The invention relates to a simulation experiment device of a hybrid power ship, which mainly simulates mechanical elements of an electric element and electric coupling into mechanical coupling.
The first part is composed of: a first permanent magnet synchronous motor 1 emulating a dual fuel host, a first permanent magnet synchronous generator 2 and a first AC/DC converter 3. The first permanent magnet synchronous motor 1 is connected with the first permanent magnet synchronous generator 2, provides power for the first permanent magnet synchronous generator 2 to generate electric energy, and the generated electric energy is changed into direct current output through the first AC/DC converter 3. The first part alone acts as PTO mode; the second part consists of a second permanent magnet synchronous motor 4 simulating a propulsion motor, a second permanent magnet synchronous generator 5 and a second AC/DC converter 6. The second permanent magnet synchronous motor 4 is connected with the second permanent magnet synchronous generator 5, provides kinetic energy for the second permanent magnet synchronous generator 5 to generate electric energy, and is converted into direct current output by the AC/DC converter 6. The second part alone acts as a PTH mode. The PTI mode is when the two parts work together to provide kinetic energy.
After the permanent magnet synchronous motors of the first and second parts generate electric power, the obtained alternating current is converted into direct current by an AC/DC converter, and then rectified into a branch. The rectified direct current is converted into alternating current through a DC/AC converter, and electric energy is provided for the permanent magnet synchronous motor. The permanent magnet synchronous motor is connected with the permanent magnet synchronous generator, and alternating current generated by the permanent magnet synchronous generator is converted into direct current through the AC/DC converter, so that the simulated load is driven to move to simulate the propeller.
The simulated dual fuel host is simulated by a permanent magnet synchronous motor. The principle is as follows: the dual-fuel host controls the rotating speed by controlling the oil inlet amount, the required rotating speed is obtained by adjusting the size of the oil inlet according to different requirements, and the simulated dual-fuel host simulates the mechanical characteristics of the dual-fuel host by changing the rotating speed of the permanent magnet synchronous motor so as to achieve the expected effect.
The principle of the simulated propulsion motor is the same as that of the simulated dual-fuel host, and the simulated propulsion motor is a permanent magnet synchronous motor. The propulsion motor is connected to the DC bus branch of the ship power grid and has the function of driving the propeller together with the dual-fuel host. In the simulation experiment, the load is driven by the clutch together with the simulated dual-fuel host machine, and the experiment is performed by simulating the rotation of the propeller through the load.
The permanent magnet synchronous generator functions to convert mechanical energy into electrical energy or electrical energy into mechanical energy. In the invention, the permanent magnet synchronous generator has the function of converting mechanical energy generated by the permanent magnet synchronous motor into electric energy and providing a basic condition for an electric power system to simulate a mechanical system.
The AC/DC converter functions to redirect the flow for the entire ship grid. The propulsion motor is connected to the DC bus branch of the ship power grid, and is supplied with AC power, but the propulsion motor needs DC power, and at this time, the DC/AC converter should be used to convert the DC power into AC power for the propulsion motor. In the process of electrically coupling and simulating mechanical coupling, current generated by the simulated dual-fuel main engine and the simulated propulsion motor is required to be rectified, and because alternating current is generated by the simulated dual-fuel main engine and the simulated propulsion motor through the permanent magnet synchronous generator, the alternating current is required to be converted into direct current through the AC/DC converter and then the direct current is rectified, so that the rectification operation is more convenient.
The clutch and load function to simulate the propeller of a ship. The clutch is a mechanical gear box, and can convert electric energy into mechanical energy, and is consistent with the principle of the clutch in a ship power grid. The load simulates the propeller in the experimental process, and the mechanical energy generated by the clutch moves to simulate the rotation of the propeller when the ship sails, so that whether the whole simulation device can normally operate or not can be conveniently checked.
The load of the permanent magnet synchronous motor in the simulation propeller has energy feedback, and the excessive current generated in the whole simulation experiment is fed back to the power system of the simulation experiment after passing through the load of the permanent magnet synchronous motor, so that the cyclic utilization is realized.
In the experimental process, if the whole simulation experimental device needs to be simplified due to the influence of equipment and environment, two parallel simulated double-fuel main engine and propulsion motor can be simplified into one branch, and an electric system consisting of a permanent magnet synchronous motor, a permanent magnet synchronous generator and an AC/DC bidirectional converter is utilized to simplify and replace the original equipment, but the voltage levels of all the equipment and the voltage levels of all the equipment before simplification are required to be kept consistent. The simplified simulation experiment device is simpler and more convenient, but the experimental data deviation is larger.
According to the invention, the power grid control background is used for controlling the machine side controller to distribute energy, and when the power provided by the dual-fuel host needs to be changed, the rotating speed of the dual-fuel host is changed by changing the oil inlet amount, so that the purpose is achieved; when the power provided by the propulsion motor needs to be changed, the power provided by the propulsion motor is changed by: (1) changing the highest power supply voltage of the controller; (2) changing the torque and torque angle of the upper machine position of the permanent magnet synchronous motor; (3) the torque current maximum ratio is changed. Wherein the energy source of the main propulsion motor is provided by the power battery after multiple AC/DC converter conversions. Finally, mechanical energy generated by the main propulsion motor and the dual-fuel host is transmitted to the propeller through the clutch. In the simulation experiment device of the whole hybrid power ship, different kinetic energy is provided for the permanent magnet synchronous generator by changing the rotation speed of the simulated dual-fuel main engine and the rotation speed of the propulsion motor, so that currents with different magnitudes are generated and the load is driven to move. The motion state of the load is observed by changing the rotation speed ratio of the simulated dual-fuel host machine and the simulated propulsion motor, the power provided by the propeller by different energy ratios during the actual navigation of the hybrid power ship is simulated, and the optimized energy distribution ratio is selected for use. Therefore, the hybrid power ship has high energy efficiency, low sailing cost and less pollution, and promotes the development of new energy spread. Secondly, the excessive current generated in the load can enter the whole power system again, so that the cyclic utilization is realized, and the energy is saved.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention will be apparent to those skilled in the art within the scope of the present invention.
Claims (7)
1. The control method of the simulation experiment device of the hybrid power ship is characterized by comprising the following steps of:
step one, kinetic energy generated by a first permanent magnet synchronous motor of a simulated dual-fuel host drives a first permanent magnet synchronous generator to generate electric energy, and kinetic energy generated by a second permanent magnet synchronous motor of a simulated propulsion motor drives a second permanent magnet synchronous generator to generate electric energy;
step two, converting alternating currents generated by the first permanent magnet synchronous generator and the second permanent magnet synchronous generator into direct currents through the first AC/DC converter and the second AC/DC converter respectively for rectification;
step three, converting the rectified direct current into alternating current through a DC/AC converter to drive a third permanent magnet synchronous motor to generate kinetic energy;
step four, kinetic energy generated by the third permanent magnet synchronous motor drives the third permanent magnet synchronous generator to generate alternating current, and the alternating current is converted into direct current through the third AC/DC converter to supply power for a load;
the simulation experiment device of the hybrid power ship comprises:
the double-fuel main engine simulation module is used for simulating a double-fuel main engine through the first permanent magnet synchronous motor and providing power for the propeller;
the propulsion motor simulation module is used for simulating a propulsion motor through a second permanent magnet synchronous motor and providing power for the propeller;
the electric coupling simulation mechanical coupling module is used for simulating mechanical elements by using electric elements and simulating mechanical coupling by using electric coupling;
the simulation propeller module is used for simulating a propeller by utilizing the permanent magnet synchronous generator, the AC/DC converter and the load;
the electric coupling simulation mechanical coupling module is a simulation hybrid power gearbox and consists of two permanent magnet synchronous generators, two AC/DC converters, a DC/AC converter and a third permanent magnet synchronous motor;
the first permanent magnet synchronous motor and the second permanent magnet synchronous motor are respectively connected with an AC/DC converter, and the third permanent magnet synchronous motor is connected with a permanent magnet synchronous generator in the analog propeller module.
2. The control method of the simulation experiment device of the hybrid power ship according to claim 1, wherein the load has energy feedback, and the surplus current generated in the whole simulation experiment is fed back to the power system of the simulation experiment for recycling after passing through the load.
3. The control method of a simulation experiment apparatus of a hybrid ship according to claim 1, wherein the dual fuel host simulation module is independently operated in a PTO mode in an experiment.
4. The control method of a simulation experiment apparatus of a hybrid ship according to claim 1, wherein the propulsion motor simulation module is independently operated in an experiment in a PTH mode.
5. The control method of a simulation experiment apparatus of a hybrid ship according to claim 1, wherein during the experiment, the dual fuel main engine simulation module and the propulsion motor simulation module simultaneously act as power for a propeller to provide a PTI mode; and the PTO, PTI or PTH mode is selected during the experiment according to the power requirements and operating conditions.
6. The control method of a simulation experiment apparatus of a hybrid ship according to claim 1, wherein the control method of a simulation experiment apparatus of a hybrid ship controls the movement of a load by controlling the rotational speed of a permanent magnet synchronous motor; the method for controlling the rotating speed of the permanent magnet synchronous motor comprises the following steps:
in the first mode, the highest power supply voltage of the controller is changed; changing the torque and the torque angle of the upper machine position of the permanent magnet synchronous motor; in the third mode, the torque current maximum ratio is changed.
7. The control method of the simulation experiment apparatus of a hybrid ship according to claim 6, wherein the first mode: changing the input voltage of the permanent magnet synchronous motor and the rotating speed by changing the highest power supply voltage of the controller;
the second mode is as follows: the direct torque method directly affects the torque output value by controlling parameters in a torque formula; selecting a moment angle as a control object;
the third mode is as follows: decoupling the current under a d-q coordinate system, and respectively solving the maximum ratio of the torque current of each component to obtain the maximum torque under the determined excitation current; determining the existence of a maximum value by taking a second derivative; in the speed regulation interval, the torque current ratio is derived, the second derivative is smaller than 0, and the maximum value of the torque current ratio exists.
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| CN115195971A (en) * | 2022-07-15 | 2022-10-18 | 中国船舶重工集团公司第七一一研究所 | Ship energy efficiency management system, method and storage medium |
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| DE102010023019A1 (en) * | 2010-06-08 | 2011-12-08 | Siemens Aktiengesellschaft | Wave generator system |
| CN104820187A (en) * | 2015-05-27 | 2015-08-05 | 上海海事大学 | Hybrid power experiment platform |
| CN106542072A (en) * | 2016-12-27 | 2017-03-29 | 中国船舶重工集团公司第七研究所 | A kind of boat diesel engine thrust power module |
| CN206243428U (en) * | 2016-12-02 | 2017-06-13 | 长兴大河造船有限公司 | A kind of ship hybrid power system |
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| KR102315723B1 (en) * | 2020-05-21 | 2021-10-21 | 현대중공업 주식회사 | Ship propulsion method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8115334B2 (en) * | 2009-02-18 | 2012-02-14 | General Electric Company | Electrically driven power take-off system and method of manufacturing same |
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|---|---|---|---|---|
| JP2000035380A (en) * | 1998-07-15 | 2000-02-02 | Shinko Electric Co Ltd | Tester for hybrid electric vehicle |
| DE102010023019A1 (en) * | 2010-06-08 | 2011-12-08 | Siemens Aktiengesellschaft | Wave generator system |
| CN104820187A (en) * | 2015-05-27 | 2015-08-05 | 上海海事大学 | Hybrid power experiment platform |
| CN206243428U (en) * | 2016-12-02 | 2017-06-13 | 长兴大河造船有限公司 | A kind of ship hybrid power system |
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| CN110182348A (en) * | 2019-05-28 | 2019-08-30 | 杭州电子科技大学 | A kind of hybrid power automatic control device of miniature self-service ship |
| KR102315723B1 (en) * | 2020-05-21 | 2021-10-21 | 현대중공업 주식회사 | Ship propulsion method |
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