CN112557898A - Starting and power generation integrated test bed with rapid state switching function and test method - Google Patents
Starting and power generation integrated test bed with rapid state switching function and test method Download PDFInfo
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- CN112557898A CN112557898A CN202011191928.4A CN202011191928A CN112557898A CN 112557898 A CN112557898 A CN 112557898A CN 202011191928 A CN202011191928 A CN 202011191928A CN 112557898 A CN112557898 A CN 112557898A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/24—Devices for sensing torque, or actuated thereby
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/118—Structural association with clutches, brakes, gears, pulleys or mechanical starters with starting devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
Abstract
A starting and power generation integrated test bed with rapid state switching and a test method are disclosed. Meanwhile, in the process of verifying the starting power generation system, the dragging motor and the testing motor are often controlled by respective controllers, and in the state switching process, force dispute is generated, so that the switching process of the motors is not smooth, and even an unstable state occurs, therefore, the research of the starting power generation integrated testing system based on the same set of control system is developed, and the stable and quick switching of the states is realized. In addition, based on the problems of the working characteristics of a prime motor, the power consumption characteristics of a load, torque pulsation caused by open-phase operation of a multi-phase motor, power quality and the like, an adjustable inertia disc, a pulse type electronic load, a locked rotor blocking device, a power analyzer and other equipment are additionally arranged, and the whole process and multi-parameter test of the multi-phase starting generator is realized.
Description
Technical Field
The invention relates to a starting and power generation integrated test bed with rapid state switching and a test method.
Background
At present, aiming at high reliability, high power density and high adaptability of various harsh working conditions of an energy system in the aerospace field, a general scheme is provided for generating power by outputting mechanical power to the outside by an oxygen precompression pump of a rocket oxyhydrogen engine, supplying power to a servo system and even an electric system on the whole rocket, and simultaneously driving a generator to rotate and drag an output shaft of the oxygen precompression pump by a carried small chemical battery to drive the oxygen precompression pump to reach a specified rotating speed and realize the starting of the rocket engine based on the bidirectional working characteristics of a motor and a control driver.
The test platform is necessary for matching with the development of an integrated starting motor system, simulating the working state of a prime mover on an arrow, carrying out performance test and parameter debugging of a starting generator and carrying out a high-reliability integrated starting motor test platform suitable for multiple working conditions. In the generator testing process, the switching of three working processes of electromotion, idling and power generation of a tested motor and the parameter setting of a dragging motor in each working process need to be realized rapidly, the working states of the tested motor and the dragging motor need to be highly coordinated, the situation that the coordinated state is damaged due to force dispute generated by coaxial double motors in mechanical connection is avoided, and meanwhile, an adjustable inertia disc is innovatively provided on the function of a test bed based on the complexity of the testing process of the initiating integrated multi-phase motor, so that the inertia of the dragging motor is adjustable and matched with prime movers with different inertias; a load end locked rotor blocking and locking device is added, so that a motor shaft can be fixed at a specific position in the rotating direction to measure torque pulsation; the electronic load with pulse discharge capacity is added, the servo power consumption characteristic test in the power generation process of the tested motor is realized, and in addition, an electric energy quality test instrument such as a power analyzer is added, so that the power generation quality test is realized.
Upon review, patents of similar art are now set forth, including the following.
CN202562744U test platform for automobile starting/power generation integrated motor system
The patent introduces a test platform of an automobile starting/power generation integrated motor system, wherein the dragging process is driven by a high-speed alternating current motor, the magnetic powder brake with mechanical shaft output at two sides on the same shaft is used for braking in the braking process, the magnetic powder dynamometer is used for applying braking force in the electric process, the high-speed alternating current motor is used for driving power generation in the power generation process, the dynamometer and the high-speed alternating current motor are required to be switched in the test process, but the switching process from electric driving to power generation is required to be coordinated by the high-speed alternating current motor and the magnetic powder dynamometer, and the consistency is insufficient in the combined test process with a tested motor.
CN207557328U opposite-pulling test platform of switch reluctance belt motor for starting generator
The test device mainly aims at testing a pair of switched reluctance motors, both sides of the shaft end of the test device are the switched reluctance motors, and double-function test of starting and power generation in one set of system is carried out through separately controlling two sets of power converters and the switched reluctance motors. The main problem is that the switch motors on two sides are both tested motors rather than standard equipment, and meanwhile, the process switching of electric operation and power generation does not exist, and the test systems are the same.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of the prior art are overcome, and the starting and power generation integrated test bed and the test method capable of achieving rapid state switching are provided. Meanwhile, in the process of verifying the starting power generation system, the dragging motor and the testing motor are often controlled by respective controllers, and in the state switching process, force dispute is generated, so that the switching process of the motors is not smooth, and even an unstable state occurs, therefore, the research of the starting power generation integrated testing system based on the same set of control system is developed, and the stable and quick switching of the states is realized. In addition, based on the problems of torque pulsation, power quality and the like caused by the working characteristics of a prime motor, the power consumption characteristics of a load, the open-phase operation of a multi-phase motor, an adjustable inertia disc, a pulse type electronic load, a locked rotor blocking device, a power analyzer and the like are additionally arranged, the whole process and multi-parameter test of the multi-phase starting generator is realized, and the technical support is provided for project development.
The technical solution of the invention is as follows: a starting and power generation integrated test bed capable of realizing rapid state switching comprises an industrial personal computer, a real-time processor, a four-quadrant frequency converter, a dragging motor, a torque meter, an adjustable inertia disc, a locked rotor device, a tested motor driver and a load;
the dragging motor, the torque meter, the adjustable inertia disc, the locked rotor device and the tested motor are connected in pairs through couplers;
the load is connected with a tested motor driver and starts to work after receiving an external instruction;
the industrial personal computer is used for receiving an operator instruction and sending a working state instruction of the motor to be detected to the real-time processor;
the real-time processor receives a working state instruction of the tested motor at an initial moment, processes the working state instruction into digital signals and then respectively sends control instructions to the four-quadrant frequency converter and the tested motor driver so as to respectively control the rotating speed of the tested motor and the torque of the dragging motor; simultaneously receiving working state signals fed back by the four-quadrant frequency converter and the tested motor driver and torque and rotating speed signals measured by the torque meter, processing the working state signals and the torque and rotating speed signals, and then respectively sending a torque control instruction and a rotating speed control instruction to the four-quadrant frequency converter and the tested motor driver to realize the control of the torque of the dragging motor and the rotating speed of the tested motor; when the rotating speed of the dragging motor reaches a first preset value, a working state rotating speed control instruction is sent to the four-quadrant frequency converter, so that the dragging motor reaches a preset working state rotating speed, and the tested motor is subjected to an uncontrolled rectification state; after the dragging motor stably runs in a preset working state rotating speed state, a loaded state rotating speed control instruction and a loaded state torque control instruction are sent to the four-quadrant frequency converter, so that the dragging motor works in the preset loaded state rotating speed and the preset loaded state torque, and a loaded state voltage control instruction is sent to a tested motor driver at the same time, so that the output voltage of the tested motor is stabilized at a preset voltage value.
Further, the locked rotor device is used for locking the motor at a specific position of the motor, so that the torque value is measured.
Further, the locked rotor device adopts a hydraulic caliper; in the testing process, the motor is fixed at a specific position, a rotating shaft of the motor is clamped through the locked rotor device, the torque value of the current position of the tested motor is tested after current is introduced to the tested motor, and the torque pulsation is tested by dividing the circumference.
Further, the adjustable inertia disc comprises a plurality of metal discs with different thicknesses and the same radial dimension, and the unit moment of inertia of the metal discs is 0.1 kg-m2The four specifications of 2 times, 4 times and 8 times are respectively set, and the adjustment in 1-15 times of unit moment of inertia is realized.
Further, the load is a programmable electronic load with pulse discharge capacity, so that the electric characteristic simulation of pulse power supply during large motion of the servo actuator is adapted.
Further, the four-quadrant frequency converter is a network feeding type frequency converter or a power consumption type frequency converter, and is used for feeding or consuming the braking energy of the dragging motor.
Furthermore, the control strategy in the real-time controller is carried on a Matlab/Simulink platform and is directly transmitted to the four-quadrant frequency converter and the tested motor driver through compiling.
A starting and power generation integrated test method for rapid state switching comprises the following steps:
the industrial personal computer receives an operator instruction and sends a working state instruction of the detected motor to the real-time processor;
at the initial moment, the real-time processor receives the working state instruction of the tested motor, processes the working state instruction into digital signals and then respectively sends control instructions to the four-quadrant frequency converter and the tested motor driver so as to respectively control the rotating speed of the tested motor and the torque of the dragging motor; simultaneously receiving working state signals fed back by the four-quadrant frequency converter and the tested motor driver and torque and rotating speed signals measured by the torque meter, processing the working state signals and the torque and rotating speed signals, and then respectively sending a torque control instruction and a rotating speed control instruction to the four-quadrant frequency converter and the tested motor driver to realize the control of the torque of the dragging motor and the rotating speed of the tested motor;
when the rotating speed of the dragging motor reaches a first preset value, the real-time processor sends a working state rotating speed control instruction to the four-quadrant frequency converter, so that the dragging motor reaches a preset working state rotating speed, and the tested motor is subjected to an uncontrolled rectification state;
after the dragging motor stably runs in a preset working state rotating speed state, a loaded state rotating speed control instruction and a loaded state torque control instruction are sent to the four-quadrant frequency converter, so that the dragging motor works in the preset loaded state rotating speed and the preset loaded state torque, and a loaded state voltage control instruction is sent to a tested motor driver at the same time, so that the output voltage of the tested motor is stabilized at a preset voltage value.
Compared with the prior art, the invention has the advantages that:
(1) based on the problem of delayed switching from starting to generating of a dragging motor (prime mover) and a load motor (starting/generator), rotation speed signals are unified, and a control switching instruction is sent to the dragging motor and the load motor simultaneously through a real-time processing platform, so that force dispute is avoided, and quick switching (20ms) is realized.
(2) An adjustable inertia link is added at the end of a dragging motor so as to verify the initial rotational inertia of different prime movers;
(3) a load end locked-rotor blocking device is added, torque ripples of different mechanical angles of the multi-phase motor under the condition of one-phase and two-phase faults are verified, and a fault-tolerant control strategy is optimized;
drawings
FIG. 1 is a block diagram of a starting and power generating integrated test bed system of the present invention;
FIG. 2 is a mechanical connection diagram of the starting and power generation integrated test bed of the invention.
Detailed Description
In order to better understand the technical solutions, the technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
The integrated test bed for starting and generating power with fast state switching and the test method provided by the embodiment of the present application are further described in detail with reference to the drawings in the specification, and specific implementations may include (as shown in fig. 1):
as shown in figure 1, the starting and power generation integrated test bed with fast state switching comprises a real-time processor, a frequency converter, a dragging motor, a load motor, a power generation controller, an electronic load, a power analyzer, a high-precision torquemeter, an iron stand, a bracket, an adjustable inertia disc, a locked rotor device and the like,
in the technical scheme provided by the embodiment of the application, the dragging motor, the torque meter, the adjustable inertia disc, the locked rotor device and the tested motor are connected in pairs through the coupler; the load is connected with a tested motor driver and starts to work after receiving an external instruction; the industrial personal computer is used for receiving an operator instruction and sending a working state instruction of the motor to be detected to the real-time processor; the real-time processor receives a working state instruction of the tested motor at an initial moment, processes the working state instruction into digital signals and then respectively sends control instructions to the four-quadrant frequency converter and the tested motor driver so as to respectively control the rotating speed of the tested motor and the torque of the dragging motor; simultaneously receiving working state signals fed back by the four-quadrant frequency converter and the tested motor driver and torque and rotating speed signals measured by the torque meter, processing the working state signals and the torque and rotating speed signals, and then respectively sending a torque control instruction and a rotating speed control instruction to the four-quadrant frequency converter and the tested motor driver to realize the control of the torque of the dragging motor and the rotating speed of the tested motor; when the rotating speed of the dragging motor reaches a first preset value, a working state rotating speed control instruction is sent to the four-quadrant frequency converter, so that the dragging motor reaches a preset working state rotating speed, and the tested motor is subjected to an uncontrolled rectification state; after the dragging motor stably runs in a preset working state rotating speed state, a loaded state rotating speed control instruction and a loaded state torque control instruction are sent to the four-quadrant frequency converter, so that the dragging motor works in the preset loaded state rotating speed and the preset loaded state torque, and a loaded state voltage control instruction is sent to a tested motor driver at the same time, so that the output voltage of the tested motor is stabilized at a preset voltage value.
Further, in terms of mechanical connection: the dragging motor, the torquemeter, the adjustable inertia disc, the locked rotor device and the tested motor are all fixed on the iron platform through the tool, are positioned at coaxial positions, and are positioned in a controllable eccentric range through position adjustment so as to reduce axial deviation in the high-speed rotating process.
Further, in a possible implementation, in terms of a strong electrical connection: the dragging motor is controlled by a four-quadrant frequency converter, and a 380V power grid supplies power, wherein the four-quadrant frequency converter can adopt a feed network type or a power consumption type frequency converter so as to realize the electric energy consumption in the power generation process; the tested motor is controlled by a tested motor control driver and is started by a direct-current ground power supply or a servo power battery, and energy is dissipated through an electronic load or a servo mechanism in the power generation process.
In one possible implementation, in terms of a weak electrical connection: the four-quadrant frequency converter and the motor control driver to be tested are uniformly controlled by a real-time processor, the real-time processor serves as a control core and is applied to the establishment of a control framework for developing the test system so as to quickly establish control, test and measurement environments, the high-performance processor carries a high-performance processor core and provides a plurality of types of IO (input/output) interfaces, and on the test bench, the parameter test acquisition of an integrated test bench is mainly realized, and the control model establishment and the program compilation of the upper computer program setting and the motor to be tested are realized.
1. In the parameter acquisition process, the characteristic parameters of the torque meter, the frequency converter and the tested motor are respectively acquired, and the parameters are fed back to an upper computer system to realize the parameter test;
2. the simulation of the working state of the prime motor is realized by setting a rotating speed-load curve of the dragging motor, and the synchronous operation of the double motors is realized by issuing a unified state switching instruction to the frequency converter and the tested motor control driver so as to ensure that the working states of the double motors are respectively kept at the first stage: braking (dragging motor) -electric (motor under test); and a second stage: electric (traction motor) -idle (motor under test); and a third stage: electric (drive motor) -generating (motor under test).
3. In the real-time controller, a control strategy of a tested motor is developed through Matlab/Simulink and is directly issued to a control driver through compiling, so that a user puts main energy on algorithm development. The communication of each component is executed by CAN BUS INTERFACE or RS232 protocol.
In a possible implementation mode, the tested motor control driver adopts a universal motor control driver to realize the driving and power generation control of motors with different voltages and power levels, a control program is given by a real-time controller to quickly verify different control strategies, a simulation model is injected in real time, and simultaneously an upper computer control system program of a dragging motor controller is written into the real-time controller to control the working state of a frequency converter by the real-time controller, so that the state matching of double motors in the mutual dragging process is realized.
Optionally, the four-quadrant frequency converter is a network feeding type frequency converter or a power consumption type frequency converter, and is configured to feed or consume the braking energy of the traction motor.
Furthermore, the control strategy in the real-time controller is carried on a Matlab/Simulink platform and is directly issued to the four-quadrant frequency converter and the tested motor driver through compiling.
Furthermore, in a possible implementation mode, the rotary inertia of the dragging motor becomes a fixed value at the beginning of design and cannot be changed, characteristics of the prime mover such as fluid resistance, self inertia and the like have great influence on the starting process, and the simulation of the starting process and the starting time of different prime movers is realized by adding an adjustable inertia link so as to verify the starting characteristic of the starting integrated motor. The adjustable inertia disc consists of a bracket, a rotating shaft, a thrust bearing, a turntable base, an adjustable inertia disc and a locking structure.
Optionally, the adjustable inertia disc is composed of a plurality of metal discs with different thicknesses and the same radial dimension, and the minimum unit is 0.1kg · m2On the basis, four specifications of 2 times, 4 times and 8 times are respectively set in the aspect of thickness so as to realize adjustability within 1-15 times of unit moment of inertia and directly select the thickness, and for special requirements, the thickness of the inertia disc can be customized to realize inertia adjustment.
The locked rotor device is mainly used for locking the position of the motor to realize the measurement of the torque value of a specific position, and the locked rotor device adopts a hydraulic caliper to lock a shaft, and in the test process, the motor is fixed at the specific position, the rotating shaft of the motor is clamped through the locked rotor device, the torque value of the current position of the tested motor is tested after current is introduced into the tested motor, and the torque pulsation test is realized by dividing the circumference.
Optionally, the locked rotor device adopts a hydraulic caliper; in the testing process, the motor is fixed at a specific position, a rotating shaft of the motor is clamped through the locked rotor device, the torque value of the current position of the tested motor is tested after current is introduced to the tested motor, and the torque pulsation is tested by dividing the circumference.
Optionally, a programmable electronic load with pulse discharge capability and rapid charge-discharge switching is selected for the load aspect, so as to adapt to pulse power supply and braking energy feedback electricity utilization characteristic simulation during large motion of the servo actuator.
In the power generation process, equipment such as a power analyzer is configured, and parameters such as harmonic content, load regulation rate and ripple waves after power generation rectification are tested, so that the parameter matching degree and the performance of software and hardware of the power generation system are verified.
In the configuration process of the test system, overcurrent, overvoltage and voltage loss protection, speed limit and temperature limit protection and trip protection functions are provided, so that the safety of the test platform is ensured.
Based on the same inventive concept as that in fig. 1, the invention also provides a starting and power generation integrated test method for rapid state switching, which comprises the following steps:
the industrial personal computer receives an operator instruction and sends a working state instruction of the detected motor to the real-time processor;
at the initial moment, the real-time processor receives the working state instruction of the tested motor, processes the working state instruction into digital signals and then respectively sends control instructions to the four-quadrant frequency converter and the tested motor driver so as to respectively control the rotating speed of the tested motor and the torque of the dragging motor; simultaneously receiving working state signals fed back by the four-quadrant frequency converter and the tested motor driver and torque and rotating speed signals measured by the torque meter, processing the working state signals and the torque and rotating speed signals, and then respectively sending a torque control instruction and a rotating speed control instruction to the four-quadrant frequency converter and the tested motor driver to realize the control of the torque of the dragging motor and the rotating speed of the tested motor;
when the rotating speed of the dragging motor reaches a first preset value, the real-time processor sends a working state rotating speed control instruction to the four-quadrant frequency converter, so that the dragging motor reaches a preset working state rotating speed, and the tested motor is subjected to an uncontrolled rectification state;
after the dragging motor stably runs in a preset working state rotating speed state, a loaded state rotating speed control instruction and a loaded state torque control instruction are sent to the four-quadrant frequency converter, so that the dragging motor works in the preset loaded state rotating speed and the preset loaded state torque, and a loaded state voltage control instruction is sent to a tested motor driver at the same time, so that the output voltage of the tested motor is stabilized at a preset voltage value.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (8)
1. The utility model provides a start electricity generation integration test bench that quick state switches which characterized in that: the system comprises an industrial personal computer, a real-time processor, a four-quadrant frequency converter, a dragging motor, a torque meter, an adjustable inertia disc, a locked rotor device, a tested motor driver and a load;
the dragging motor, the torque meter, the adjustable inertia disc, the locked rotor device and the tested motor are connected in pairs through couplers;
the load is connected with a tested motor driver and starts to work after receiving an external instruction;
the industrial personal computer is used for receiving an operator instruction and sending a working state instruction of the motor to be detected to the real-time processor;
the real-time processor receives a working state instruction of the tested motor at an initial moment, processes the working state instruction into digital signals and then respectively sends control instructions to the four-quadrant frequency converter and the tested motor driver so as to respectively control the rotating speed of the tested motor and the torque of the dragging motor; simultaneously receiving working state signals fed back by the four-quadrant frequency converter and the tested motor driver and torque and rotating speed signals measured by the torque meter, processing the working state signals and the torque and rotating speed signals, and then respectively sending a torque control instruction and a rotating speed control instruction to the four-quadrant frequency converter and the tested motor driver to realize the control of the torque of the dragging motor and the rotating speed of the tested motor; when the rotating speed of the dragging motor reaches a first preset value, a working state rotating speed control instruction is sent to the four-quadrant frequency converter, so that the dragging motor reaches a preset working state rotating speed, and the tested motor is subjected to an uncontrolled rectification state; after the dragging motor stably runs in a preset working state rotating speed state, a loaded state rotating speed control instruction and a loaded state torque control instruction are sent to the four-quadrant frequency converter, so that the dragging motor works in the preset loaded state rotating speed and the preset loaded state torque, and a loaded state voltage control instruction is sent to a tested motor driver at the same time, so that the output voltage of the tested motor is stabilized at a preset voltage value.
2. The integrated test bench of quick state switching for starting and generating power of claim 1 is characterized in that: the locked rotor device is used for locking the motor at a specific position of the motor, so that the torque value is measured.
3. The integrated test bench of quick state switching for starting and generating power of claim 1 is characterized in that: the locked rotor device adopts hydraulic calipers; in the testing process, the motor is fixed at a specific position, a rotating shaft of the motor is clamped through the locked rotor device, the torque value of the current position of the tested motor is tested after current is introduced to the tested motor, and the torque pulsation is tested by dividing the circumference.
4. The integrated test bench of quick state switching for starting and generating power of claim 1 is characterized in that: the adjustable inertia disc comprises a plurality of metal discs with different thicknesses and the same radial dimension, and the unit moment of inertia of the metal discs is 0.1 kg.m2The four specifications of 2 times, 4 times and 8 times are respectively set, and the adjustment in 1-15 times of unit moment of inertia is realized.
5. The integrated test bench of quick state switching for starting and generating power of claim 1 is characterized in that: the load is a programmable electronic load with pulse discharge capacity so as to adapt to the electric characteristic simulation of pulse power supply when the servo actuator is in large motion.
6. The integrated test bench of quick state switching for starting and generating power of claim 1 is characterized in that: the four-quadrant frequency converter is a network feeding type frequency converter or a power consumption type frequency converter and is used for feeding or consuming the braking energy of the dragging motor.
7. The integrated test bench of quick state switching for starting and generating power of claim 1 is characterized in that: and the control strategy in the real-time controller is carried on the Matlab/Simulink platform and is directly issued to the four-quadrant frequency converter and the tested motor driver through compiling.
8. A starting and power generation integrated test method for rapid state switching is characterized by comprising the following steps:
the industrial personal computer receives an operator instruction and sends a working state instruction of the detected motor to the real-time processor;
at the initial moment, the real-time processor receives the working state instruction of the tested motor, processes the working state instruction into digital signals and then respectively sends control instructions to the four-quadrant frequency converter and the tested motor driver so as to respectively control the rotating speed of the tested motor and the torque of the dragging motor; simultaneously receiving working state signals fed back by the four-quadrant frequency converter and the tested motor driver and torque and rotating speed signals measured by the torque meter, processing the working state signals and the torque and rotating speed signals, and then respectively sending a torque control instruction and a rotating speed control instruction to the four-quadrant frequency converter and the tested motor driver to realize the control of the torque of the dragging motor and the rotating speed of the tested motor;
when the rotating speed of the dragging motor reaches a first preset value, the real-time processor sends a working state rotating speed control instruction to the four-quadrant frequency converter, so that the dragging motor reaches a preset working state rotating speed, and the tested motor is subjected to an uncontrolled rectification state;
after the dragging motor stably runs in a preset working state rotating speed state, a loaded state rotating speed control instruction and a loaded state torque control instruction are sent to the four-quadrant frequency converter, so that the dragging motor works in the preset loaded state rotating speed and the preset loaded state torque, and a loaded state voltage control instruction is sent to a tested motor driver at the same time, so that the output voltage of the tested motor is stabilized at a preset voltage value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111766515A (en) * | 2020-07-08 | 2020-10-13 | 贵州航天林泉电机有限公司 | System and method for testing high-temperature high-speed starter generator system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793605A (en) * | 2010-03-31 | 2010-08-04 | 哈尔滨工业大学 | Dynamic loading methods based on servo motor |
| CN102680895A (en) * | 2012-05-30 | 2012-09-19 | 合肥工业大学 | Wind power generation simulation platform and simulation method thereof |
| CN204241649U (en) * | 2014-10-13 | 2015-04-01 | 宁波爱理科机器人科技有限公司 | A kind of hybrid power and pure electronic New energy automobile motor universal test bench |
| US20180328815A1 (en) * | 2015-11-09 | 2018-11-15 | Meidensha Corporation | Dynamometer-system dynamo control device and engine starting method therefor |
| CN110398380A (en) * | 2018-04-24 | 2019-11-01 | 中车株洲电力机车研究所有限公司 | A kind of Electric Motor Wheel vehicle alternating current drive pilot system and method |
| CN110618383A (en) * | 2019-10-25 | 2019-12-27 | 四川诚邦浩然测控技术有限公司 | Servo motor test bench and test system |
| CN111766515A (en) * | 2020-07-08 | 2020-10-13 | 贵州航天林泉电机有限公司 | System and method for testing high-temperature high-speed starter generator system |
-
2020
- 2020-10-30 CN CN202011191928.4A patent/CN112557898B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793605A (en) * | 2010-03-31 | 2010-08-04 | 哈尔滨工业大学 | Dynamic loading methods based on servo motor |
| CN102680895A (en) * | 2012-05-30 | 2012-09-19 | 合肥工业大学 | Wind power generation simulation platform and simulation method thereof |
| CN204241649U (en) * | 2014-10-13 | 2015-04-01 | 宁波爱理科机器人科技有限公司 | A kind of hybrid power and pure electronic New energy automobile motor universal test bench |
| US20180328815A1 (en) * | 2015-11-09 | 2018-11-15 | Meidensha Corporation | Dynamometer-system dynamo control device and engine starting method therefor |
| CN110398380A (en) * | 2018-04-24 | 2019-11-01 | 中车株洲电力机车研究所有限公司 | A kind of Electric Motor Wheel vehicle alternating current drive pilot system and method |
| CN110618383A (en) * | 2019-10-25 | 2019-12-27 | 四川诚邦浩然测控技术有限公司 | Servo motor test bench and test system |
| CN111766515A (en) * | 2020-07-08 | 2020-10-13 | 贵州航天林泉电机有限公司 | System and method for testing high-temperature high-speed starter generator system |
Non-Patent Citations (1)
| Title |
|---|
| 王首礼: "基于虚拟仪器的电机拖动试验系统", 《重型机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766515A (en) * | 2020-07-08 | 2020-10-13 | 贵州航天林泉电机有限公司 | System and method for testing high-temperature high-speed starter generator system |
| CN111766515B (en) * | 2020-07-08 | 2022-11-04 | 贵州航天林泉电机有限公司 | System and method for testing high-temperature high-speed starter generator system |
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| CN112557898B (en) | 2023-09-29 |
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