CN113009905A - Fan simulation test system with multi-motor architecture - Google Patents
Fan simulation test system with multi-motor architecture Download PDFInfo
- Publication number
- CN113009905A CN113009905A CN202110238888.2A CN202110238888A CN113009905A CN 113009905 A CN113009905 A CN 113009905A CN 202110238888 A CN202110238888 A CN 202110238888A CN 113009905 A CN113009905 A CN 113009905A
- Authority
- CN
- China
- Prior art keywords
- motor
- tested
- variable
- pitch
- shaft
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a fan simulation test system with a multi-motor architecture, which comprises a plurality of variable-pitch motors to be tested, a torque sensor, a speed change module, a load motor, a motor master control PLC to be tested and a variable-pitch motor computer measurement and control module, wherein the variable-pitch motors to be tested are connected with an input shaft of the speed change module through the torque sensor, an output shaft of the speed change module is connected with the load motor, the variable-pitch motor computer measurement and control module collects various data and is connected with the motor master control PLC to be tested, and the motor master control PLC to be tested is used for controlling the running state of the variable-pitch motors to be tested. The system adopts the multi-motor twin-dragging to truly simulate the stress condition of the blades in the running process of the fan and the processing result made by the variable pitch system, thereby ensuring the reliability of the variable pitch system.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a fan simulation test system with a multi-motor framework.
Background
The variable pitch system is one of core parts of a control system of a large wind turbine generator, has very important function on safe, stable and efficient operation of the generator, stable variable pitch control becomes one of hot spots and difficulties in the research of the control technology of the current large wind turbine generator, along with the continuous increase of the capacity of a wind turbine generator, the current variable pitch and transmission system adopts a multi-motor variable pitch system, and in order to ensure the reliability of variable pitch of the generator, a variable pitch test platform is required to be used for testing the real operation condition of a variable pitch device simulation wind turbine generator in advance.
A plurality of fan testing systems have been developed, and through a lot of search and reference, the existing systems are found to be as disclosed in KR101302671B1, KR20180033799A and KR101330752B1, which mainly comprise a pitch control box, an upper computer, a PLC, a pitch motor, a torque and rotation speed sensor and a magnetic powder brake. The magnetic powder brake is used as a load brake to simulate the load change under wind power disturbance, the resistance of the magnetic powder brake is changed along with the rotating speed, when the variable pitch motor is static, the torque of the magnetic powder brake disappears, and the resistance of the fan on the blade in actual operation exists and changes constantly. The conventional variable pitch system test platform cannot truly simulate the running condition of a fan, and the requirement is difficult to meet.
Disclosure of Invention
The invention aims to provide a fan simulation test system with a multi-motor framework aiming at the existing defects,
in order to overcome the defects of the prior art, the invention adopts the following technical scheme:
a fan simulation test system with a multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a variable-speed module, a load motor, a motor master control PLC to be tested and a variable-pitch motor computer measurement and control module, wherein the variable-pitch motors to be tested are connected with an input shaft of the variable-speed module through the torque sensor, an output shaft of the variable-speed module is connected with the load motor, the variable-pitch motor computer measurement and control module collects various data and is connected with the motor master control PLC to be tested, and the motor master control PLC to be tested is used for controlling the running state of the variable-pitch motors to be tested;
furthermore, one variable pitch motor to be tested corresponds to one torque sensor, and the torque sensors are connected to one torque tachometer;
furthermore, a plurality of variable pitch motors to be tested correspond to one torque sensor;
further, the load motor is a double-shaft extension load motor, the double-shaft extension load motor is connected with two speed change modules, and the torque sensors are evenly distributed and connected to the speed change modules;
furthermore, the test system is provided with two double-shaft extension load motors, one shaft of each of the two double-shaft extension load motors is connected to one speed change module, and the other shaft of each of the two double-shaft extension load motors is connected to the other speed change module;
furthermore, the speed changing module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly installed in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, a plurality of input shafts are connected onto the shaft converter, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, and two ends of the horizontal shell are installed on the main shaft through the bearing;
furthermore, an ADC signal output interface used for being connected with a master control PLC of the motor to be tested and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal and a DI interface used for inputting the digital signal are arranged on the computer measurement and control module of the variable pitch motor;
further, the motor master control PLC to be tested comprises a controller and an input/output channel, wherein the controller is used for establishing a wind wheel mathematical model, and the input/output channel is used for outputting a model result to the variable pitch motor to be tested.
The beneficial effects obtained by the invention are as follows:
the system adopts a multi-motor twin-drag mode to test, can simulate the stress condition of the blades and the processing result made by the variable-pitch system in the actual operation process of the fan in the truest way, saves more cost by adopting the integrated variable-speed module, can predict whether fan equipment meets the requirements of the fan in advance, ensures the safe, stable and efficient operation of the variable-pitch system of the fan, and further brings good economic benefit.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic diagram of a module frame.
Fig. 2 is a schematic diagram of an embodiment.
Fig. 3 is a schematic diagram of an embodiment.
Fig. 4 is a schematic diagram of an embodiment.
Fig. 5 is a diagram comparing simulation data with actual data.
Fig. 6 is a schematic structural view of the transmission module.
In the figure: the device comprises a base 1, a main shaft 2, a coupling 3, a shaft converter 4, a bevel gear 5 and a positioning sleeve 6.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The first embodiment.
A fan simulation test system with a multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a variable-speed module, a load motor, a motor master control PLC to be tested and a variable-pitch motor computer measurement and control module, wherein the variable-pitch motors to be tested are connected with an input shaft of the variable-speed module through the torque sensor, an output shaft of the variable-speed module is connected with the load motor, the variable-pitch motor computer measurement and control module collects various data and is connected with the motor master control PLC to be tested, and the motor master control PLC to be tested is used for controlling the running state of the variable-pitch motors to be tested;
one pitch motor to be tested corresponds to one torque sensor, and the torque sensors are connected to a torque tachometer;
the plurality of variable pitch motors to be tested correspond to one torque sensor;
the load motor is a double-shaft extension load motor, the double-shaft extension load motor is connected with two speed change modules, and the torque sensors are evenly distributed and connected to the speed change modules;
the test system is provided with two double-shaft extension load motors, one shaft of each of the two double-shaft extension load motors is connected to one speed change module, and the other shaft of each of the two double-shaft extension load motors is connected to the other speed change module;
the speed changing module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly arranged in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, a plurality of input shafts are connected onto the shaft converter, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, and two ends of the horizontal shell are arranged on the main shaft through bearings;
the computer measurement and control module of the variable pitch motor is provided with an ADC signal output interface used for being connected with a master control PLC of the motor to be measured and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal and a DI interface used for inputting the digital signal;
the motor master control PLC to be tested comprises a controller and an input/output channel, wherein the controller is used for establishing a wind wheel mathematical model, and the input/output channel is used for outputting a model result to the variable pitch motor to be tested.
Example two.
A fan simulation test system with a multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a variable-speed module, a load motor, a motor master control PLC to be tested and a variable-pitch motor computer measurement and control module, wherein the variable-pitch motors to be tested are connected with an input shaft of the variable-speed module through the torque sensor, an output shaft of the variable-speed module is connected with the load motor, the variable-pitch motor computer measurement and control module collects various data and is connected with the motor master control PLC to be tested, and the motor master control PLC to be tested is used for controlling the running state of the variable-pitch motors to be tested;
one pitch motor to be tested corresponds to one torque sensor, and the torque sensors are connected to a torque tachometer;
the plurality of variable pitch motors to be tested correspond to one torque sensor;
the load motor is a double-shaft extension load motor, the double-shaft extension load motor is connected with two speed change modules, and the torque sensors are evenly distributed and connected to the speed change modules;
the test system is provided with two double-shaft extension load motors, one shaft of each of the two double-shaft extension load motors is connected to one speed change module, and the other shaft of each of the two double-shaft extension load motors is connected to the other speed change module;
the speed changing module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly arranged in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, a plurality of input shafts are connected onto the shaft converter, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, and two ends of the horizontal shell are arranged on the main shaft through bearings;
the computer measurement and control module of the variable pitch motor is provided with an ADC signal output interface used for being connected with a master control PLC of the motor to be measured and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal and a DI interface used for inputting the digital signal;
the master control PLC of the motor to be tested comprises a controller and an input/output channel, wherein the controller is used for establishing a wind wheel mathematical model, and the input/output channel is used for outputting a model result to the variable pitch motor to be tested;
the fan simulation test system with the multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a speed change module and a load motor, wherein the variable-pitch motors to be tested are connected with an input shaft of the speed change module through the torque sensor, and an output shaft of the speed change module is connected with the load motor;
the variable-pitch motor to be tested is connected with one torque sensor, the torque sensors are connected to a torque tachometer, the torque tachometer is connected to a variable-pitch motor computer measurement and control module, the variable-pitch motor to be tested is connected with a variable-frequency power supply of the motor to be tested, a variable-frequency electric quantity instrument is arranged between the variable-frequency power supply of the motor to be tested and the variable-pitch motor to be tested, the variable-frequency electric quantity instrument is connected to the variable-pitch motor computer measurement and control module, the load motor is connected with an electric feedback loading controller, the electric feedback loading controller is connected to the variable-pitch motor computer measurement and control module, the variable-pitch motor to be tested is connected to a motor master control PLC to be;
the speed change module adopts a gear box, a coupling is arranged on an input shaft of the gear box, a switch is arranged on the coupling and used for manually controlling the using state of the coupling, and an encoder is arranged between the load motor and the electric feedback load controller;
the load motor is a double-shaft extension load motor, two input shafts of the double-shaft load motor are respectively connected with a variable speed module, the variable speed modules are connected with a torque sensor, and the torque sensor is connected with a plurality of variable pitch motors to be tested;
the test system is provided with two double-shaft extension load motors and two speed change modules, wherein one input shaft of each of the two double-shaft extension load motors is connected to one of the speed change modules, the other input shaft of each of the two double-shaft extension load motors is connected to the other speed change module, and the speed change modules are further connected with the plurality of torque sensors;
the embodiment adopts a multi-motor twin-dragging mode for testing, the electric feedback loading controller is connected with the load motor through signals and cables provided by an encoder and provides power supply and variable output torque required by the load motor, so that the stress condition of blade change in the pitch variation process of the fan is really simulated, a plurality of pitch motors to be tested are connected with the load motor through a coupler and a torque sensor to acquire data and the distributed power and the clutch function of the gear box, the process of the pitch variation of the fan is really simulated, the variable frequency power supply provides the power supply required by the pitch motor to be tested, the cost is saved while the gear box provides the distributed power and the clutch function, the connection of each part is checked to be correct before testing, the test is not loaded, and the friction loss torque generated by installation between the load motor and the pitch motor during no-load is recorded, the load motor driving system to be tested works in a position closed loop state, the rotating speed of the motor is monitored in real time, position tracking is achieved, the load motor works in the torque closed loop state, changed output torque is provided, the change of the load of the variable pitch motor to be tested is simulated, the master control PLC of the motor to be tested controls the running state of the motor to be tested, data are collected, and the variable pitch motor computer testing system is responsible for collecting and processing data of the whole system and providing control signals.
Example three.
A fan simulation test system with a multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a variable-speed module, a load motor, a motor master control PLC to be tested and a variable-pitch motor computer measurement and control module, wherein the variable-pitch motors to be tested are connected with an input shaft of the variable-speed module through the torque sensor, an output shaft of the variable-speed module is connected with the load motor, the variable-pitch motor computer measurement and control module collects various data and is connected with the motor master control PLC to be tested, and the motor master control PLC to be tested is used for controlling the running state of the variable-pitch motors to be tested;
one pitch motor to be tested corresponds to one torque sensor, and the torque sensors are connected to a torque tachometer;
the plurality of variable pitch motors to be tested correspond to one torque sensor;
the load motor is a double-shaft extension load motor, the double-shaft extension load motor is connected with two speed change modules, and the torque sensors are evenly distributed and connected to the speed change modules;
the test system is provided with two double-shaft extension load motors, one shaft of each of the two double-shaft extension load motors is connected to one speed change module, and the other shaft of each of the two double-shaft extension load motors is connected to the other speed change module;
the speed changing module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly arranged in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, a plurality of input shafts are connected onto the shaft converter, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, and two ends of the horizontal shell are arranged on the main shaft through bearings;
the computer measurement and control module of the variable pitch motor is provided with an ADC signal output interface used for being connected with a master control PLC of the motor to be measured and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal and a DI interface used for inputting the digital signal;
the master control PLC of the motor to be tested comprises a controller and an input/output channel, wherein the controller is used for establishing a wind wheel mathematical model, and the input/output channel is used for outputting a model result to the variable pitch motor to be tested;
the fan simulation test system with the multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a speed change module and a load motor, wherein the variable-pitch motors to be tested are connected with an input shaft of the speed change module through the torque sensor, and an output shaft of the speed change module is connected with the load motor;
the variable-pitch motor to be tested is connected with one torque sensor, the torque sensors are connected to a torque tachometer, the torque tachometer is connected to a variable-pitch motor computer measurement and control module, the variable-pitch motor to be tested is connected with a variable-frequency power supply of the motor to be tested, a variable-frequency electric quantity instrument is arranged between the variable-frequency power supply of the motor to be tested and the variable-pitch motor to be tested, the variable-frequency electric quantity instrument is connected to the variable-pitch motor computer measurement and control module, the load motor is connected with an electric feedback loading controller, the electric feedback loading controller is connected to the variable-pitch motor computer measurement and control module, the variable-pitch motor to be tested is connected to a motor master control PLC to be;
the speed change module adopts a gear box, a coupling is arranged on an input shaft of the gear box, a switch is arranged on the coupling and used for manually controlling the using state of the coupling, and an encoder is arranged between the load motor and the electric feedback load controller;
the load motor is a double-shaft extension load motor, two input shafts of the double-shaft load motor are respectively connected with a variable speed module, the variable speed modules are connected with a torque sensor, and the torque sensor is connected with a plurality of variable pitch motors to be tested;
the test system is provided with two double-shaft extension load motors and two speed change modules, wherein one input shaft of each of the two double-shaft extension load motors is connected to one of the speed change modules, the other input shaft of each of the two double-shaft extension load motors is connected to the other speed change module, and the speed change modules are further connected with the plurality of torque sensors;
the embodiment adopts a multi-motor twin-dragging mode for testing, the electric feedback loading controller is connected with the load motor through signals and cables provided by an encoder and provides power supply and variable output torque required by the load motor, so that the stress condition of blade change in the pitch variation process of the fan is really simulated, a plurality of pitch motors to be tested are connected with the load motor through a coupler and a torque sensor to acquire data and the distributed power and the clutch function of the gear box, the process of the pitch variation of the fan is really simulated, the variable frequency power supply provides the power supply required by the pitch motor to be tested, the cost is saved while the gear box provides the distributed power and the clutch function, the connection of each part is checked to be correct before testing, the test is not loaded, and the friction loss torque generated by installation between the load motor and the pitch motor during no-load is recorded, the load motor driving system to be tested works in a position closed loop state, the rotating speed of the motor is monitored in real time, position tracking is achieved, the load motor works in the torque closed loop state, changed output torque is provided, the change of the load of the variable pitch motor to be tested is simulated, a master control PLC (programmable logic controller) of the motor to be tested controls the running state of the motor to be tested, data are collected, and the variable pitch motor computer testing system is responsible for collecting and processing data of the whole system and providing control signals;
the computer measurement and control module of the variable pitch motor is provided with an ADC signal output interface used for being connected with a master control PLC of the motor to be tested and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal, a DI interface used for inputting the digital signal and a rotary transformer test interface, and the master control PLC of the motor to be tested also comprises a level conversion circuit which is connected with the DI interface and the controller; the electric feedback loading controller is also provided with a communication interface for being in communication connection with the pitch motor computer measurement and control module, and the communication interface is used for acquiring an ADC (analog to digital converter) signal and a DI (direct digital) signal of the torque tachometer;
the speed change module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly arranged in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, the shaft converter is connected with a plurality of input shafts, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, two ends of the horizontal shell are arranged on the main shaft through the bearing, two ends of the horizontal shell are sealed by a sealing cover sleeved on the main shaft, a circle of bolt holes uniformly distributed on the circumference taking the axis of the horizontal box body as the center are arranged on a flange face at one end of the horizontal shell, the outer side of the supporting hole in the base is provided with a circle of bolt holes matched with the bolt holes in the shell, a positioning sleeve is arranged in the vertical shell, the positioning sleeve is connected with a flange sleeve arranged at the outlet end of the vertical shell, a bevel gear is arranged in the positioning sleeve, a bearing is arranged between the bevel gear and the positioning sleeve, an inner hole of the bevel gear is matched with an output shaft of the variable pitch speed reducer, and the bevel gear is meshed with the bevel gear arranged on the main shaft.
Example four.
A fan simulation test system with a multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a variable-speed module, a load motor, a motor master control PLC to be tested and a variable-pitch motor computer measurement and control module, wherein the variable-pitch motors to be tested are connected with an input shaft of the variable-speed module through the torque sensor, an output shaft of the variable-speed module is connected with the load motor, the variable-pitch motor computer measurement and control module collects various data and is connected with the motor master control PLC to be tested, and the motor master control PLC to be tested is used for controlling the running state of the variable-pitch motors to be tested;
one pitch motor to be tested corresponds to one torque sensor, and the torque sensors are connected to a torque tachometer;
the plurality of variable pitch motors to be tested correspond to one torque sensor;
the load motor is a double-shaft extension load motor, the double-shaft extension load motor is connected with two speed change modules, and the torque sensors are evenly distributed and connected to the speed change modules;
the test system is provided with two double-shaft extension load motors, one shaft of each of the two double-shaft extension load motors is connected to one speed change module, and the other shaft of each of the two double-shaft extension load motors is connected to the other speed change module;
the speed changing module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly arranged in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, a plurality of input shafts are connected onto the shaft converter, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, and two ends of the horizontal shell are arranged on the main shaft through bearings;
the computer measurement and control module of the variable pitch motor is provided with an ADC signal output interface used for being connected with a master control PLC of the motor to be measured and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal and a DI interface used for inputting the digital signal;
the master control PLC of the motor to be tested comprises a controller and an input/output channel, wherein the controller is used for establishing a wind wheel mathematical model, and the input/output channel is used for outputting a model result to the variable pitch motor to be tested;
the fan simulation test system with the multi-motor architecture comprises a plurality of variable-pitch motors to be tested, a torque sensor, a speed change module and a load motor, wherein the variable-pitch motors to be tested are connected with an input shaft of the speed change module through the torque sensor, and an output shaft of the speed change module is connected with the load motor;
the variable-pitch motor to be tested is connected with one torque sensor, the torque sensors are connected to a torque tachometer, the torque tachometer is connected to a variable-pitch motor computer measurement and control module, the variable-pitch motor to be tested is connected with a variable-frequency power supply of the motor to be tested, a variable-frequency electric quantity instrument is arranged between the variable-frequency power supply of the motor to be tested and the variable-pitch motor to be tested, the variable-frequency electric quantity instrument is connected to the variable-pitch motor computer measurement and control module, the load motor is connected with an electric feedback loading controller, the electric feedback loading controller is connected to the variable-pitch motor computer measurement and control module, the variable-pitch motor to be tested is connected to a motor master control PLC to be;
the speed change module adopts a gear box, a coupling is arranged on an input shaft of the gear box, a switch is arranged on the coupling and used for manually controlling the using state of the coupling, and an encoder is arranged between the load motor and the electric feedback load controller;
the load motor is a double-shaft extension load motor, two input shafts of the double-shaft load motor are respectively connected with a variable speed module, the variable speed modules are connected with a torque sensor, and the torque sensor is connected with a plurality of variable pitch motors to be tested;
the test system is provided with two double-shaft extension load motors and two speed change modules, wherein one input shaft of each of the two double-shaft extension load motors is connected to one of the speed change modules, the other input shaft of each of the two double-shaft extension load motors is connected to the other speed change module, and the speed change modules are further connected with the plurality of torque sensors;
the embodiment adopts a multi-motor twin-dragging mode for testing, the electric feedback loading controller is connected with the load motor through signals and cables provided by an encoder and provides power supply and variable output torque required by the load motor, so that the stress condition of blade change in the pitch variation process of the fan is really simulated, a plurality of pitch motors to be tested are connected with the load motor through a coupler and a torque sensor to acquire data and the distributed power and the clutch function of the gear box, the process of the pitch variation of the fan is really simulated, the variable frequency power supply provides the power supply required by the pitch motor to be tested, the cost is saved while the gear box provides the distributed power and the clutch function, the connection of each part is checked to be correct before testing, the test is not loaded, and the friction loss torque generated by installation between the load motor and the pitch motor during no-load is recorded, the load motor driving system to be tested works in a position closed loop state, the rotating speed of the motor is monitored in real time, position tracking is achieved, the load motor works in the torque closed loop state, changed output torque is provided, the change of the load of the variable pitch motor to be tested is simulated, a master control PLC (programmable logic controller) of the motor to be tested controls the running state of the motor to be tested, data are collected, and the variable pitch motor computer testing system is responsible for collecting and processing data of the whole system and providing control signals;
the computer measurement and control module of the variable pitch motor is provided with an ADC signal output interface used for being connected with a master control PLC of the motor to be tested and used for simulating a voltage signal and a current signal, a DO interface used for outputting a digital signal, a DI interface used for inputting the digital signal and a rotary transformer test interface, and the master control PLC of the motor to be tested also comprises a level conversion circuit which is connected with the DI interface and the controller; the electric feedback loading controller is also provided with a communication interface for being in communication connection with the pitch motor computer measurement and control module, and the communication interface is used for acquiring an ADC (analog to digital converter) signal and a DI (direct digital) signal of the torque tachometer;
the speed change module comprises a base, a shell, a main shaft, a coupling, a shaft converter and a variable pitch speed reducer, wherein two ends of the base extend upwards to form a support, a support hole is formed in the support, two ends of the main shaft are fixedly arranged in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, the shaft converter is connected with a plurality of input shafts, the input shafts are connected with the torque sensor, the shell comprises a horizontal shell and a vertical shell, the main shaft penetrates through the horizontal shell, two ends of the horizontal shell are arranged on the main shaft through the bearing, two ends of the horizontal shell are sealed by a sealing cover sleeved on the main shaft, a circle of bolt holes uniformly distributed on the circumference taking the axis of the horizontal box body as the center are arranged on a flange face at one end of the horizontal shell, a circle of bolt holes matched with the bolt holes in the shell are formed in the outer side of the supporting hole in the base, a positioning sleeve is arranged in the vertical shell, a flange sleeve installed at the outlet end of the vertical shell is connected onto the positioning sleeve, a bevel gear is arranged in the positioning sleeve, a bearing is installed between the bevel gear and the positioning sleeve, an inner hole of the bevel gear is matched with an output shaft of the variable pitch speed reducer, and the bevel gear is meshed with the bevel gear installed on the main shaft;
the motor master control PLC to be tested comprises a controller and an input/output channel, the controller is used for being responsible for calculation of a model, the model comprises a simplified model of wind speed, wind direction, a wind wheel and a speed change module, a calculation result is output to the variable pitch motor to be tested through the input/output channel, and a mathematical model of the wind wheel is explained as follows:
the wind wheel rotates under the blowing action, converts wind energy into mechanical energy, and the formula is expressed as follows:
Cq＝Cq(λ，β)，
wherein C isqIs the torque coefficient, λ is the tip speed ratio, β is the pitch angle;
the total power of the wind wheel converted energy is as follows:
the input torque is:
wherein rho is air density, R is wind wheel radius, and VwindIs the wind speed;
the equation of rotation of the rotor is as follows:
wherein, ω isrIs the angular velocity of the wind wheel, JrIs the moment of inertia of the rotor, d is the width of the rotor blades, theta is the angle between the wind direction and the rotor blades, k is the wind force conversion coefficient, TgenIs the engine's drag torque, Tf(ωr) Is the friction drag torque and t is the time.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
In conclusion, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that these examples are illustrative only and are not intended to limit the scope of the invention. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (8)
1. The fan simulation test system with the multi-motor architecture comprises a plurality of variable pitch motors to be tested, a torque sensor, a speed change module, a load motor, a master control PLC of the motors to be tested and a computer measurement and control module of the variable pitch motors, wherein the variable pitch motors to be tested are connected with an input shaft of the speed change module through the torque sensor, an output shaft of the speed change module is connected with the load motor, the computer measurement and control module of the variable pitch motors collects various data and is connected with the master control PLC of the motors to be tested, and the master control PLC of the motors to be tested is used for controlling the running state of the variable pitch motors to.
2. The wind turbine simulation test system of claim 1, wherein one pitch motor to be tested corresponds to one torque sensor, and the torque sensors are connected to a torque tachometer.
3. The wind turbine simulation test system of a multi-motor architecture as claimed in any one of the preceding claims, wherein a plurality of pitch motors to be tested correspond to one of the torque sensors.
4. A fan simulation test system of a multi-motor architecture according to any of the preceding claims, wherein the load motor is a dual-shaft extension load motor, two variable speed modules are connected to the dual-shaft extension load motor, and the torque sensors are equally distributed and connected to the variable speed modules.
5. A fan simulation test system of a multi-motor architecture as claimed in any of the preceding claims, the test system being provided with two dual-shaft extension load motors, one shaft of the two dual-shaft extension load motors being commonly connected to one variable speed module and the other shaft being commonly connected to the other variable speed module.
6. The fan simulation test system of one of the above claims, wherein the speed changing module includes a base, a housing, a main shaft, a coupling, a shaft converter, and a pitch reducer, two ends of the base extend upward to form a support, the support is provided with a support hole, two ends of the main shaft are fixedly mounted in the support hole through a bearing, one end of the main shaft is connected with the coupling, the coupling is connected with the shaft converter, the shaft converter is connected with a plurality of input shafts, the input shafts are connected with the torque sensor, the housing includes a horizontal housing and a vertical housing, the main shaft penetrates through the horizontal housing, and two ends of the horizontal housing are mounted on the main shaft through bearings.
7. A fan simulation test system of multi-motor architecture according to any of the preceding claims, wherein an ADC signal output interface for analog voltage signals and current signals, a DO interface for outputting digital signals and a DI interface for inputting digital signals are arranged on the computer measurement and control module of the pitch motor for connecting with a master control PLC of the motor to be tested.
8. The fan simulation test system of a multi-motor architecture according to any one of the preceding claims, wherein the to-be-tested motor master control PLC includes a controller and an input/output channel, the controller is configured to establish a mathematical model of the wind turbine, and the input/output channel is configured to output the model result to the to-be-tested pitch motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238888.2A CN113009905A (en) | 2021-03-04 | 2021-03-04 | Fan simulation test system with multi-motor architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238888.2A CN113009905A (en) | 2021-03-04 | 2021-03-04 | Fan simulation test system with multi-motor architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113009905A true CN113009905A (en) | 2021-06-22 |
Family
ID=76404888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110238888.2A Pending CN113009905A (en) | 2021-03-04 | 2021-03-04 | Fan simulation test system with multi-motor architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113009905A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762390A (en) * | 2009-12-31 | 2010-06-30 | 江苏泰隆减速机股份有限公司 | Rotary testing device of variable pitch speed reducer |
| CN102830357A (en) * | 2012-09-14 | 2012-12-19 | 华锐风电科技(集团)股份有限公司 | Test method and test platform for wind turbine generator set |
| CN103257315A (en) * | 2013-04-12 | 2013-08-21 | 天津瑞源电气有限公司 | Wind generating set master control system and motor-driven pitch changing system testing device |
| CN103323250A (en) * | 2013-06-20 | 2013-09-25 | 国电联合动力技术(连云港)有限公司 | Test system and method for simulating field operation of variable pitch system of wind generating set |
| CN106246463A (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | The test system of wind generating set pitch control system and appraisal procedure |
| CN111577555A (en) * | 2020-06-12 | 2020-08-25 | 天津瑞源电气有限公司 | Test platform for multiple motor-driven pitch control system |
-
2021
- 2021-03-04 CN CN202110238888.2A patent/CN113009905A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762390A (en) * | 2009-12-31 | 2010-06-30 | 江苏泰隆减速机股份有限公司 | Rotary testing device of variable pitch speed reducer |
| CN102830357A (en) * | 2012-09-14 | 2012-12-19 | 华锐风电科技(集团)股份有限公司 | Test method and test platform for wind turbine generator set |
| CN103257315A (en) * | 2013-04-12 | 2013-08-21 | 天津瑞源电气有限公司 | Wind generating set master control system and motor-driven pitch changing system testing device |
| CN103323250A (en) * | 2013-06-20 | 2013-09-25 | 国电联合动力技术(连云港)有限公司 | Test system and method for simulating field operation of variable pitch system of wind generating set |
| CN106246463A (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | The test system of wind generating set pitch control system and appraisal procedure |
| CN111577555A (en) * | 2020-06-12 | 2020-08-25 | 天津瑞源电气有限公司 | Test platform for multiple motor-driven pitch control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8070439B2 (en) | Systems and methods for testing a wind turbine pitch control system | |
| CN102032114B (en) | Method and apparatus for controlling acoustic emissions of a wind turbine | |
| WO2013032077A1 (en) | Wind turbine simulation system and method | |
| CN103091109B (en) | For the control method of the wind turbine simulator of aerogenerator dynamic perfromance test | |
| Killedar | Dynamometer: theory and application to engine testing | |
| CN111693864B (en) | Propeller characteristic simulation experiment device based on permanent magnet synchronous motor | |
| CN114199282B (en) | Angle sensor calibration device and method based on double encoders | |
| CN109470470A (en) | One kind carrying out gearbox mechanical efficiency test macro and test method on vehicle | |
| CN110793771A (en) | Test bench of simulation helicopter main reducing gear trouble | |
| CN104635157A (en) | Test board of low-revolution-speed large-torque motor | |
| CN111458373A (en) | Explosion-proof performance testing device and testing method for explosion-proof permanent magnet electric roller | |
| CN105606930A (en) | Detection platform and detection torque for variable-pitch direct-current driver | |
| WO2023274185A1 (en) | Semi-physical simulation testbed for gas turbine multi-machine paralleling apparatus and test method | |
| KR101413565B1 (en) | Apparatus for Performance Test of Pitch Controller for Wind Turbines and Method thereof | |
| CN111994301A (en) | Helicopter transmission system test device and system | |
| CN113009905A (en) | Fan simulation test system with multi-motor architecture | |
| Hossain et al. | Propeller dynamometer for small unmanned aerial vehicle | |
| KR102328757B1 (en) | Performance Test Facility for Fuel Cell Propulsion System | |
| CN110488800A (en) | A kind of electric machine controller test macro and method | |
| CN108343565B (en) | Dynamic load simulation device and method for permanent magnet direct drive variable pitch system of wind turbine generator | |
| Pilas et al. | Functional prototype testing of an 8 MW wind turbine | |
| CN212748787U (en) | Explosion-proof performance testing device for explosion-proof permanent magnet electric roller | |
| Lambert et al. | Phase 1 integrated systems test and characterization report for the 5-Megawatt dynamometer and controllable grid interface | |
| CN207937874U (en) | A kind of multi-rotor unmanned aerial vehicle attitude algorithm and control experiment porch | |
| CN113465961A (en) | Full-size ground loading test system for transmission chain of wind turbine generator and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210622 |