CN214312151U - Semi-physical real-time simulation wind power generation simulation teaching experiment device - Google Patents
Semi-physical real-time simulation wind power generation simulation teaching experiment device Download PDFInfo
- Publication number
- CN214312151U CN214312151U CN201921676218.3U CN201921676218U CN214312151U CN 214312151 U CN214312151 U CN 214312151U CN 201921676218 U CN201921676218 U CN 201921676218U CN 214312151 U CN214312151 U CN 214312151U
- Authority
- CN
- China
- Prior art keywords
- motor
- control
- power generation
- data acquisition
- wind power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
Abstract
The utility model discloses a semi-physical real-time simulation's simulation wind power generation teaching experiment device relates to experiment teaching instrument and new forms of energy wind power generation research and application, contains computer, its characterized in that: the system also comprises an HIL data acquisition card, a motor control/drive cabinet, a motor, a direct current generator, a three-phase rectification module, a protection and detection module and a three-phase bridge type full-control inversion module; a HIL data acquisition card is connected with a computer host and a motor control/drive cabinet to control a motor, realize the bidirectional transmission of control instructions and operation data of the motor, form a hardware-in-loop simulation test, ensure that the motor operates according to the expected rule of a user, simulate natural wind in a real wind power generation scene by using the rotation of the motor with different rules, connect a shaft of the motor with a shaft of a synchronous generator by using a connecting cylinder, and replace the wind power generator by using the synchronous generator to simulate wind power generation.
Description
Technical Field
The utility model relates to an experiment teaching instrument and new forms of energy wind power generation research and application especially relate to a semi-physical real-time simulation wind power generation teaching experiment device.
Background
With the increasing global economy, people have more and more demand for energy, and traditional primary energy is also increasingly exhausted. Therefore, the development and research of new energy are imperative. At present, the new energy sources which are widely applied are wind energy, solar energy, water energy and the like. Most of the new solar energy is converted by photovoltaic power generation. Photovoltaic power generation is an electric power device that converts solar energy into electric energy and finally outputs direct current.
The photovoltaic power generation technology is greatly focused and more generally researched and applied under the background environment of current energy shortage and low carbon requirement. However, the traditional solar power generation is influenced by uncertainty of sunlight irradiation intensity, and is not suitable for research and teaching in a laboratory, which brings inconvenience to research and development and teaching experiments of solar power generation.
Disclosure of Invention
The utility model aims to solve the technical problem that lie in for the further development in wind power generation field, a semi-physical real-time simulation wind power generation teaching experiment device is provided, it connects computer and motor control/drive cabinet at HIL data acquisition card, thereby control motor, realize the control command of motor and the bidirectional transmission of operational data, form a hardware at ring simulation test, thereby guarantee that the motor operates according to the expected law of user, the rotation of the different laws of motor simulates the natural wind in the real wind power generation scene, link to each other the axle of motor and synchronous generator's axle with the connecting cylinder, replace aerogenerator with this to simulate aerogenerator with synchronous generator.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a semi-physical real-time simulation wind power generation simulation teaching experiment device comprises a computer host, an HIL data acquisition card, a motor control/drive cabinet, a motor, a direct current generator, a three-phase rectification module, a protection and detection module and a three-phase bridge full-control inversion module;
wherein, the HIL data acquisition card comprises a digital I/O port, a coding signal input port, a coding signal output port, an analog signal input port and an analog signal output port,
the motor control/drive cabinet comprises a PWM control signal, a voltage and current measuring port, a three-phase inversion voltage output port and an encoder signal input output port, wherein the PWM control signal, the voltage and current measuring port, the three-phase inversion voltage output port and the encoder signal input output port are provided with corresponding external interfaces;
the HIL data acquisition card is connected with the computer host and is used for transmitting a real-time operation instruction of the computer host to the motor control/drive cabinet and feeding back the operation data of the motor to the computer host in real time after being acquired;
the digital I/O port of the HIL data acquisition card is connected with a PWM control signal of the motor control/drive cabinet and is used for controlling the motor control/drive cabinet to carry out three-phase inversion, outputting PWM control signals with different duty ratios and frequencies, further inverting voltages with different frequencies and amplitudes and connecting the voltages to the motor so as to control the motor to rotate according to an expected rule;
the HIL data acquisition card is used for acquiring running data of the motor, and the running data of the motor is connected with a computer host through the coding input port on the HIL data acquisition card so as to read the running data of the motor and further control the motor to run according to a rule that a natural wind speed expected by a user drives the wind driven generator to rotate, thereby driving the direct current generator to generate power;
the three-phase rectification module, the protection and detection module and the three-phase bridge type full-control inversion module are three mutually independent modules, are provided with external interfaces and are used for being connected with the HIL data acquisition card, receiving control signals of the HIL data acquisition card and obtaining electric energy parameters expected by a user through alternating current-direct current-alternating current conversion of power electronics.
As the utility model relates to a semi-physical real-time simulation's simulation wind power generation teaching experiment device's further preferred scheme still contains the motor connecting cylinder, it is fixed that motor and synchronous generator's axle passes through the motor connecting cylinder, forms coaxial motor, the coaxial rotation of motor drives synchronous generator rotatory electricity generation for the rotatory rotation that drives aerogenerator of simulation aerogenerator's flabellum advances and generates electricity.
As the utility model relates to a further preferred scheme of semi-physical real-time simulation wind power generation teaching experiment device, the motor contains motor coding signal output port and motor drive voltage mouth.
As the utility model relates to a semi-physical real-time simulation's simulation wind power generation teaching experimental apparatus's further preferred scheme, computer adopts the computer that is equipped with MATLAB software, and installs Simulink simulation software.
As the utility model relates to a further preferred scheme of semi-physical real-time simulation's simulation wind power generation teaching experiment device carries out power electronics's interchange-DC-AC conversion through Simulink simulation software control three-phase rectifier module, protection and detection module and three-phase bridge type full control contravariant module, outputs anticipated electric energy parameter value, and then simulates the converter among the aerogenerator.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
1. the utility model provides a semi-physical real-time simulation wind power generation teaching experimental device, it connects computer and motor control/drive cabinet at HIL data acquisition card, thereby control the motor, realize the two-way transmission of the control command and the operation data of motor, form a hardware at the ring simulation test, thereby guarantee that the motor operates according to the rule that the user expects, simulate the natural wind in the real wind power generation scene with the rotation of the different rules of motor, link the axle of motor and the axle of synchronous generator with the connecting cylinder, replace aerogenerator with synchronous generator with this to simulate aerogenerator;
2. the utility model provides a for the further development in the wind power generation field, provide a semi-physical real-time simulation wind power generation teaching experimental apparatus, Simulink simulation software combines motor and dc generator to constitute semi-physical real-time simulation platform, can facilitate for scientific research and teaching, and the program of this experimental apparatus, control algorithm are directly compiled under MATLAB/Simulink software environment to can accomplish real-time operation, emulation; a user can focus on compiling and researching control algorithms such as voltage stabilization output, grid-connected electric energy parameter adjustment and setting and the like in the field of new energy solar power generation, and the method has important significance for future research and development of solar power generation.
Drawings
FIG. 1 is a flow chart of the experimental device for simulating wind power generation provided by the present invention;
FIG. 2 is a schematic diagram of an experiment device provided by the present invention for performing experiments of power electronics and motor control;
fig. 3 is a schematic view of the experimental device provided by the present invention.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
a semi-physical real-time simulation wind power generation teaching experiment device comprises a computer provided with MATLAB software, an HIL data acquisition card, a motor control/drive cabinet, a motor, a synchronous generator, a motor connecting cylinder, a three-phase rectification module, a protection and detection module, a three-phase bridge type full-control inversion module and the like.
The HIL data acquisition card is provided with a digital I/O port, a coding signal input/output port and an analog signal input/output port, can be connected with a computer host and is compatible with Simulink software, and a user can program and control each input/output port of the HIL data acquisition card in the Simulink, so that hardware-in-loop simulation is formed by the HIL data acquisition card and external hardware.
The motor control/drive cabinet comprises a single-phase rectification unit, a three-phase inversion unit, a control input signal isolation unit, a voltage and current detection unit after three-phase inversion and an input/output port of an encoder signal, wherein each unit is provided with a corresponding external interface.
The three-phase rectification module, the protection module and the three-phase bridge type full-control inversion module are three mutually independent modules. And an external control interface is also arranged, the external control interface can be connected with the HIL data acquisition card to receive control signals of the HIL data acquisition card, various basic experiments of power electronics can be completed by utilizing the controllable modules, and electric energy parameters expected by a user are obtained through alternating current-direct current-alternating current conversion of the power electronics.
The HIL data acquisition card is connected with a computer host, transmits a real-time running instruction of a program compiled in Simulink simulation software to the motor control/drive cabinet, and feeds back running data of a motor to the program compiled in the simulation software in real time after the running data of the motor is acquired, so that a link is played, and hardware-in-loop simulation is formed.
A coded signal input port on the HIL data acquisition card is connected with a coded signal output port of the motor control/drive cabinet, and running data of the motor is connected with a computer host through the coded input port on the acquisition card, so that the running data of the motor can be read by a program in Simulink simulation software, the motor is further controlled to run according to a rule that a user expects that a wind driven generator is driven to rotate by natural wind speed.
A user can write a program in Simulink simulation software to enable the HIL data acquisition card to output a PWM (pulse width modulation) control wave, so that the motor control/drive cabinet is controlled to carry out three-phase bridge type inversion. By outputting PWM control signals with different duty ratios and frequencies, voltages with different frequencies and amplitudes can be inverted, so that the main motor is controlled to rotate according to an expected rule.
The PWM signal output by the HIL data acquisition card needs to be connected to an external interface of a control signal isolation unit of the main motor control/drive cabinet first and then inverted. The purpose is that when the rear-stage driving circuit breaks down, the HIL data acquisition card and the upper computer can be effectively protected.
The utility model provides a synchronous generator, motor control/drive cabinet driven motor and synchronous generator's axle are fixed through the connecting cylinder, form coaxial motor. The motor rotates coaxially to drive the synchronous generator to rotate to generate power, so that the rotation of the fan blades of the wind driven generator is simulated to drive the wind driven generator to rotate to generate power.
Programs of different motor operation rules are compiled from simulation software to simulate the rule that the rotation of a fan blade drives a wind driven generator to rotate under the condition of different natural wind power. Therefore, a good experiment platform is provided for users researching wind power generation control algorithms and experiment teaching users.
As a simulation wind power generation's teaching and scientific research platform, the utility model discloses the design has independent three-phase rectifier module, protection module, detection module and three-phase bridge type full control contravariant module in synchronous generator's back level hardware circuit, these modules link to each other with HIL data acquisition card, can also accomplish power electronics's all kinds of basic experiments through program control these controllable modules in the Simulink emulation software, carry out power electronics's interchange-DC-AC conversion, the electric energy parameter value that the output experimenter expects, and then the effect of the converter among the simulation wind power generator.
Different programs are compiled in simulation software, so that the operation rules of the motor are different, and the electric energy parameters after the alternating current-direct current-alternating current conversion of power electronics are different. The wind power generation scene under different wind speed conditions is also simulated properly, so that a good new energy wind power generation experiment and scientific research platform is provided for users, an experiment device simulates a wind power generation schematic diagram, and as shown in fig. 1, MATLAB/Simulink simulation software, an HIL data acquisition card, a motor control and drive cabinet are used, and a motor drives four units of a synchronous generator to simulate a wind power generator in a real wind power generation scene and output alternating voltage; a three-phase rectification module, a detection and protection module and a three-phase inversion module are used for simulating a current transformer in a real wind power generation scene and outputting voltage of expected electric energy parameters.
Further, the utility model discloses a can also regard as the teaching experiment device of power electronics and motor control subject.
Consider the utility model relates to a teaching experiment device of power electronics and motor control subject, convenience of customers is carrying out different experiments, at this moment need remove coaxial motor's connecting cylinder, just can carry out motor control's experiment. Further, if the power line and the feedback detection line of the motor are removed, corresponding power electronic related experiments can be carried out.
The user only needs to change the external connection of the motor control/drive cabinet and modify the program in the corresponding simulation software, and can also use the scope (oscilloscope) in the simulation software to observe the experimental effect of the experimental hardware circuit in real time. Specific experiments that can be performed are: the method comprises the following steps of performing power electronic experiments such as single-phase alternating current inversion, three-phase alternating current inversion and a variable frequency power supply, performing automatic control experiments on the motor, and measuring the rotating speed, the starting voltage, the starting current and the like of the motor, as shown in fig. 2.
The utility model discloses in, utilize each signal input output port on the HIL data acquisition card to be the tie, link the program of compiling in the emulation software in the computer and outside hardware circuit in kind, constitute a semi-physical real-time simulation's simulation wind power generation's teaching experimental apparatus.
The utility model has the advantages of, all control algorithm are directly compiled under Matlab/Simulink software environment to utilize HIL data acquisition card to accomplish real-time operation, emulation. A user can focus on control algorithm compiling and research in the field of new energy wind power generation, and a control program is directly compiled in MATLAB/Simulink in the forms of S function, M file, module in a Simulink module library and the like, so that the method has the advantages of intuitive and convenient programming and the like, and can complete basic experiments of different disciplines; meanwhile, the experimental device is suitable for teaching and scientific research of power electronics and motor control courses.
The specific embodiment is as follows:
a semi-physical real-time simulation simulated wind power generation teaching experimental device comprises a computer host provided with MATLAB software, a hardware-in-loop simulation (HIL) data acquisition card, a motor control/drive cabinet, a motor, a synchronous generator, a motor connecting cylinder, a three-phase rectification module, a protection and detection module, a three-phase bridge type full-control inversion module and the like.
The hardware-in-loop simulation (HIL) data acquisition card is provided with a digital I/O port, a coding signal input/output port and an analog signal output port, can be connected with a computer host and is compatible with Simulink software, and a user can program and control each input/output port of the HIL data acquisition card in the Simulink.
The motor control/drive cabinet comprises a single-phase rectification unit, a three-phase inversion unit, a control input signal isolation unit, a voltage and current detection unit after three-phase inversion and an input/output port of an encoder signal, wherein each unit is provided with a corresponding external interface.
The three-phase rectification module, the protection and detection module and the three-phase bridge type full-control inversion module are three mutually independent modules. And an external control interface is also arranged and can be connected with the HIL data acquisition card to receive a control signal of the HIL data acquisition card.
The utility model discloses in be used for simulating wind power generation experiment teaching's concrete implementation as follows:
the schematic diagram of the simulated wind power generation experimental device is shown in fig. 3, wherein a computer 1 is connected with an HIL data acquisition card 2, so that data acquired by the HIL data acquisition card can be returned to a program written in real-time simulation software, and a real-time operation instruction of the program in the simulation software can be sent to a corresponding driver.
The digital I/O port (PWM signal output) 8 shown in fig. 3 is connected to a PWM control signal 10, and the purpose of the connection is to output PWM by programming in simulation software, so as to control the motor control/drive cabinet to perform three-phase inversion. And PWM control signals with different duty ratios and frequencies are output, so that voltages with different frequencies and amplitudes can be inverted and connected to the motor, and the motor is controlled to rotate according to an expected rule.
Furthermore, a coded signal output port 14 on the main motor is connected with a coded signal input port 13 of the main motor control cabinet, and the purpose is that the coded signals are directly connected to a coded signal input port 5 of the HIL data acquisition card after being processed in the main motor control/drive cabinet to be read by a program in simulation software.
Further, the shaft of the motor and the shaft of the synchronous generator need to be fixedly connected through the motor connecting cylinder 16 to form a coaxial motor. Therefore, the synchronous generator is driven to rotate to generate power by providing the rotation of the motors with different laws, and the wind driven generator blade is simulated to drive the fan to rotate to generate power.
In order to obtain expected electric energy parameters, the utility model discloses a rear output circuit at synchronous generator is equipped with protection and detection module 18, three-phase rectifier module 19, three-phase contravariant module 20 to this module all has external control interface, can link to each other with HIL data acquisition card's analog input port 3, digital I/O mouth 7, realizes the feedback of control signal transmission and detected signal, can also accomplish all kinds of basic experiments of power electronics through program control in the Simulink emulation software; the output end of the simulation wind power generation experimental device obtains expected electric energy parameters through power electronic alternating current-direct current-alternating current conversion of output voltage. The converter plays a role in the real wind power generation grid-connected process.
Furthermore, all control algorithms of the experimental device are directly written in an MATLAB/Simulink software environment, real-time running and simulation can be achieved, and users can focus on writing and researching the control algorithms in the field of new energy wind power generation.
Further, the utility model discloses a can also regard as the experimental apparatus of power electronics and motor control teaching. The specific implementation mode is as follows:
when carrying out experiments of power electronics and motor control, the connecting cylinder 16 of the coaxial motor shown in fig. 3 needs to be removed, and corresponding experiments can be completed only by using the motor and the motor control cabinet.
Consider the utility model relates to an experimental apparatus for teaching, so all leave the interface that can connect outside controllable signal in each unit of motor control drive cabinet. When different experiments are carried out by a user, only the external connecting line of the main motor control/drive cabinet needs to be changed, and the program in the corresponding simulation software needs to be modified.
The control program of the experimental device is compiled in MATLAB/Simulink in the forms of S function, M file, module in Simulink module library and the like, so that the experimental effect of the experimental hardware circuit can be conveniently observed in real time by using scope (oscilloscope) in simulation software. Specific experiments that can be performed are: the method can be used for measuring data such as motor rotating speed, starting voltage, starting current and the like
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; the person skilled in the art can apply the method and the technical content disclosed above without departing from the scope of the invention, and can make many possible variations and modifications to the technical solution of the invention, or modify equivalent embodiments with equivalent variations, without affecting the essence of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (3)
1. The utility model provides a simulation wind power generation teaching experiment device of semi-physical real-time simulation, contains computer, its characterized in that: the system also comprises an HIL data acquisition card, a motor control/drive cabinet, a motor, a direct current generator, a three-phase rectification module, a protection and detection module and a three-phase bridge type full-control inversion module;
wherein, the HIL data acquisition card comprises a digital I/O port, a coding signal input port, a coding signal output port, an analog signal input port and an analog signal output port,
the motor control/drive cabinet comprises a PWM control signal, a voltage and current measuring port, a three-phase inversion voltage output port and an encoder signal input output port, wherein the PWM control signal, the voltage and current measuring port, the three-phase inversion voltage output port and the encoder signal input output port are provided with corresponding external interfaces;
the HIL data acquisition card is connected with the computer host and is used for transmitting a real-time operation instruction of the computer host to the motor control/drive cabinet and feeding back the operation data of the motor to the computer host in real time after being acquired;
the digital I/O port of the HIL data acquisition card is connected with a PWM control signal of the motor control/drive cabinet and is used for controlling the motor control/drive cabinet to carry out three-phase inversion, outputting PWM control signals with different duty ratios and frequencies, further inverting voltages with different frequencies and amplitudes and connecting the voltages to the motor so as to control the motor to rotate according to an expected rule;
the HIL data acquisition card is used for acquiring running data of the motor, and the running data of the motor is connected with a computer host through the coding input port on the HIL data acquisition card so as to read the running data of the motor and further control the motor to run according to a rule that a natural wind speed expected by a user drives the wind driven generator to rotate, thereby driving the direct current generator to generate power;
the three-phase rectification module, the protection and detection module and the three-phase bridge type full-control inversion module are three mutually independent modules, are provided with external interfaces and are used for being connected with the HIL data acquisition card, receiving control signals of the HIL data acquisition card and obtaining electric energy parameters expected by a user through alternating current-direct current-alternating current conversion of power electronics.
2. The experimental device for teaching of simulated wind power generation of semi-physical real-time simulation according to claim 1, wherein: the motor and the shaft of the synchronous generator are fixed through the motor connecting cylinder to form a coaxial motor, the motor rotates coaxially to drive the synchronous generator to rotate to generate power, and the fan blades of the simulation wind driven generator rotate to drive the rotation of the wind driven generator to generate power.
3. The experimental device for teaching of simulated wind power generation of semi-physical real-time simulation according to claim 2, wherein: the motor comprises a motor coding signal output port and a motor driving voltage port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676218.3U CN214312151U (en) | 2019-10-09 | 2019-10-09 | Semi-physical real-time simulation wind power generation simulation teaching experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676218.3U CN214312151U (en) | 2019-10-09 | 2019-10-09 | Semi-physical real-time simulation wind power generation simulation teaching experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214312151U true CN214312151U (en) | 2021-09-28 |
Family
ID=77826063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921676218.3U Active CN214312151U (en) | 2019-10-09 | 2019-10-09 | Semi-physical real-time simulation wind power generation simulation teaching experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214312151U (en) |
-
2019
- 2019-10-09 CN CN201921676218.3U patent/CN214312151U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203468630U (en) | Ultrasonic surgery system | |
| CN113741218A (en) | Comprehensive real-time simulation platform for large wind turbine generator | |
| CN103713598A (en) | Wind power generation dynamic simulation experiment system | |
| CN107219794A (en) | A kind of long endurance unmanned aircraft oil-electricity system voltage hand control method for automatically switching and control device | |
| CN106802589A (en) | A kind of wind-power electricity generation test platform and its test method based on real-time code generation | |
| CN105867161A (en) | Wind-power-generation digital physical hybrid simulation system based on RTDS and method thereof | |
| CN214312151U (en) | Semi-physical real-time simulation wind power generation simulation teaching experiment device | |
| CN103198191B (en) | Based on the permanent magnet direct-drive Wind turbines simulation model system of PSCAD | |
| CN113053215A (en) | Permanent magnet wind power generation system exploration experiment platform suitable for teaching | |
| CN204215226U (en) | A kind of rotary inverted pendulum surely puts controller | |
| CN102818953A (en) | Wind condition simulation system and method for realizing wind condition simulation system on wind turbine generator test bed | |
| CN110658739B (en) | Semi-physical simulation motor control and power electronic experiment device and experiment control method | |
| CN208256151U (en) | The electronic yaw variable pitch model of wind-driven generator | |
| CN203287407U (en) | High voltage large power multiple harmonic generating device | |
| CN114019379A (en) | Wind generating set test system and operation method thereof | |
| Ajewole et al. | Development of a lab-demo facility for wind energy conversion systems | |
| CN105652691A (en) | Power electronic control simulation system | |
| CN206757984U (en) | Direct drive permanent magnetic wind generator system energy conversion system | |
| Babu et al. | Optimizing electrical generators of wind energy conversion system for efficient power extraction | |
| CN210015441U (en) | Parallel heterogeneous simulation platform suitable for ADPSS double-fed fan closed-loop test | |
| CN203965948U (en) | A kind of from motion tracking sunshine control device | |
| CN203950135U (en) | A kind of experimental provision of simulating wind energy conversion system | |
| CN216485408U (en) | Wind generating set test system | |
| Vujkov et al. | Advanced research and development facility for digital control of power electronic based drives | |
| CN207470344U (en) | A kind of wind power generating set intelligence control system test platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |