CN204694826U - Open winding permanent magnet synchronous motor test macro - Google Patents
Open winding permanent magnet synchronous motor test macro Download PDFInfo
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- CN204694826U CN204694826U CN201520455411.XU CN201520455411U CN204694826U CN 204694826 U CN204694826 U CN 204694826U CN 201520455411 U CN201520455411 U CN 201520455411U CN 204694826 U CN204694826 U CN 204694826U
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- drive motor
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- inverter
- open winding
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Abstract
The utility model relates to a kind of open winding permanent magnet synchronous motor test macro and method of testing, this system comprises the conventional test system of permanent-magnet synchronous load motor and the tested open winding drive motor coaxially connected by torque sensor, the piezoelectric acceleration transducer that tested open winding drive motor housing is set up, temperature sensor, drive motor inverter temperature sensor in drive motor inverter case, be connected in parallel on the manual control panel on drive motor inverter, described torque sensor, rotary transformer, drive motor temperature sensor and drive motor inverter temperature sensor, piezoelectric acceleration transducer, drive motor current sensor and drive motor inverter current sensor, supply voltage sensor is connected with data collecting card communication respectively.Can carry out in real time the winding state of open winding electric machine, switching at runtime, the temperature rise of the vibration and torque ripple, motor and inverter system that can realize motor in handoff procedure is measured.
Description
Technical field
The utility model relates to a kind of test bed apparatus of open winding permanent magnet synchronous motor.
Background technology
In recent years, the new energy vehicle such as hybrid vehicle, pure electric automobile and fuel cell car is just flourish.In new energy vehicle, be that the electric drive technology of power source is widely used with motor, also more strict requirement proposed to dynamic motor for vehicle, this promotes the birth of various New-type electric machine and electric drive technology.A kind of New-type electric machine developed by permagnetic synchronous motor---open winding permanent magnet synchronous motor is exactly one of them.This motor has all advantages of permagnetic synchronous motor, and control flexibly than permagnetic synchronous motor, speed adjustable range is large, is more suitable for the requirement driving vehicle.
But the domestic and international test stand system to open winding electric machine and method of testing are also very immature at present.Except can regulate in real time electromechanical testing stand and measure the moment of torsion of motor, rotating speed basic function require except, open winding electric machine relates to the switching of operational mode.As the simplest three phase, open formula winding electric machine, its operational mode just can switch between Y shape and Δ shape.In handoff procedure, vibration and the torque ripple of motor body will be produced; And traditional electromechanical testing platform system effectively cannot be tested this vibration and torque ripple.In addition, one of essential condition that open winding electric machine operational mode switches is exactly the operational efficiency of motor and inverter, so should be able to carry out Measurement accuracy to current motor and inverter efficiency in real time for the test stand system of open winding electric machine.And what open winding electric machine adopted is twin inverter system, and its power component quantity is 2 times of common permagnetic synchronous motor, its heat condition also need to carry out for and careful test; Between the different operational mode of motor, the heat condition of motor body and inverter system also needs to contrast; This just requires that this test stand system can be tested and record the temperature rise of motor body and inverter system.In addition, because the open winding electric machine of current volume production is less, test stand system tackles various profile, power, open winding electric machine that the number of windings is different have certain versatility; Testboard bay should use common electric machine controller to control open winding electric machine.
In sum, existing electromechanical testing platform system cannot meet and carries out effectively and comprehensively testing to open winding permanent magnet synchronous motor, needs again to develop a kind of test stand system for this type of motor.
Summary of the invention
The purpose of this utility model is as overcoming at present to the technological deficiency that test stand system and the method for testing of open winding electric machine exist, and proposes a kind of open winding permanent magnet synchronous motor test macro various profile, power, open winding electric machine that the number of windings is different to certain versatility.
The utility model open winding permanent magnet synchronous motor test macro, comprise respectively by load motor support, the permanent-magnet synchronous load motor of drive motor Bracket setting at stand two ends and tested open winding drive motor, the torque sensor be arranged between permanent-magnet synchronous load motor and tested open winding drive motor is supported by torque sensor, the axle two ends of torque sensor are connected with the output shaft of permanent-magnet synchronous load motor respectively by the output shaft of two diaphragm elastic coupling with tested open winding drive motor, be nested with the rotary transformer on permanent-magnet synchronous load motor output shaft, permanent-magnet synchronous load motor and tested open winding drive motor respectively by load motor inverter and drive motor inverter parallel on DC bus, be connected to the load motor controller on load motor inverter, be connected to the drive motor controller on drive motor inverter, be arranged on the drive motor current sensor connected between tested open winding drive motor and drive motor inverter circuit, be arranged on the drive motor inverter current sensor connected between drive motor inverter and DC bus circuit, be arranged on the supply voltage sensor on DC bus, computing machine and the data collecting card be connected by universal serial bus with it,
Also comprise the piezoelectric acceleration transducer be arranged on described tested open winding drive motor housing, drive motor temperature sensor, be arranged on the drive motor inverter temperature sensor in drive motor inverter case, be connected in parallel on the manual control panel on drive motor inverter, described torque sensor, rotary transformer, drive motor temperature sensor and drive motor inverter temperature sensor, piezoelectric acceleration transducer, drive motor current sensor and drive motor inverter current sensor, supply voltage sensor is connected with data collecting card communication respectively,
Described manual control panel is made up of control circuit and operating circuit two parts:
Control circuit comprises low-voltage dc power supply DY, trigger sensor CG1, master switch K1, selector switch S1, S2, S3, contactor coil KD1, KD2, KD3, KD4, KD5, KD6, KD7, KD8, KD9,2 shunt of selector switch S1 are composed in series selection circuit I with contactor coil KD1, KD2 respectively, 3 shunt of selector switch S2 are composed in series selection circuit II with contactor coil KD3, KD4, KD5 respectively, and 4 shunt of selector switch S3 are composed in series selection circuit III with contactor coil KD6, KD7, KD8, KD9 respectively; Connect with low-voltage dc power supply DY, master switch K1, trigger sensor CG1 after these 3 selection circuit parallel connections; The interface h of trigger sensor CG1 is connected with described data collecting card communication, to transmit the triggered time signal that winding switches;
Operating circuit is made up of 9 loops, is in series with contactor moving together contact KM1 in loop 1, for three phase, open formula winding electric machine is switched to torque capacity winding state; Contactor moving together contact KM2 is in series with, for three phase, open formula winding electric machine is switched to maximum speed winding state in loop 2; Contactor moving together contact KM3 is in series with, for five mutually open winding electric machines are switched to torque capacity winding state in loop 3; Contactor moving together contact KM4 is in series with, for five mutually open winding electric machines are switched to transition winding state in loop 4; Contactor moving together contact KM5 is in series with, for five mutually open winding electric machines are switched to maximum speed winding state in loop 5; Contactor moving together contact KM6 is in series with, for seven mutually open winding electric machines are switched to torque capacity winding state in loop 6; Contactor moving together contact KM7 is in series with, for seven mutually open winding electric machines are switched to First Transition winding state in loop 7; Contactor moving together contact KM8 is in series with, for seven mutually open winding electric machines are switched to the second transition winding state in loop 8; Contactor moving together contact KM9 is in series with, for seven mutually open winding electric machines are switched to maximum speed winding state in loop 9; The phase brachium pontis mid point that the port in each loop is corresponding with drive motor inverter is respectively connected; Contactor moving together contact KM1 in operating circuit, KM2, KM3, KM4, KM5, KM6, KM7, KM8, KM9 are controlled by contactor coil KD1, KD2, KD3, KD4, KD5, KD6, KD7, KD8, KD9 in control circuit respectively.
The utility model open winding permanent magnet synchronous motor test macro has following excellent technique effect:
The domestic and international test stand system to open winding electric machine and method of testing are also very immature at present.Common electric machine testboard bay can regulate in real time and measure moment of torsion, the rotating speed of motor, but can not carry out winding state switching to open winding electric machine.This test macro can carry out in real time the winding state of open winding electric machine in test process, switching at runtime.In winding handoff procedure, vibration and the torque ripple of motor body will be produced, original test macro cannot be measured this vibration, torque ripple and torque levels time, and this test macro can be measured and record this vibration and torque ripple, torque levels time.And what open winding electric machine adopted is twin inverter system, and its power component quantity is 2 times of common permagnetic synchronous motor, its heat condition also need to carry out for and careful test; Between the different operational mode of motor, the heat condition of motor body and inverter system also needs to contrast; This test macro can be tested and record the temperature rise of motor body and inverter system.In addition, because the open winding electric machine of current volume production is less, this test macro has certain versatility to various profile, power, open winding electric machine that the number of windings is different; Testboard bay manually control panel can use common electric machine controller to control open winding electric machine, and without the need to developing special open winding electric machine controller.
Accompanying drawing explanation
Fig. 1 is the utility model open winding permanent magnet synchronous motor test macro composition structural representation;
Fig. 2 is the utility model open winding permanent magnet synchronous motor test macro circuit connection diagram;
Fig. 3 is the circuit theory diagrams of manual control panel shown in Fig. 1 (19);
Fig. 4 is three phase, open formula winding permanent magnet synchronous motor and inverter system, manual control panel connecting circuit figure;
Fig. 5 is five mutually open winding permanent magnet synchronous motors and inverter system, manual control panel connecting circuit figure;
Fig. 6 is seven mutually open winding permanent magnet synchronous motors and inverter system, manual control panel connecting circuit figure.
Embodiment
The embodiment provided below in conjunction with accompanying drawing is described in further detail the utility model.
Embodiment 1
With reference to Fig. 1, 2, a kind of open winding permanent magnet synchronous motor test macro, comprise respectively by load motor support 2, drive motor support 7 is arranged on the permanent-magnet synchronous load motor 1 at stand 23 two ends and tested open winding drive motor 8, the torque sensor 5 between permanent-magnet synchronous load motor 1 and tested open winding drive motor 8 is arranged on by torque sensor supporting 6, the axle two ends of torque sensor 5 are connected with the output shaft of permanent-magnet synchronous load motor 1 respectively by the output shaft of two diaphragm elastic coupling 4 with tested open winding drive motor 8, be nested with the rotary transformer 3 on permanent-magnet synchronous load motor 1 output shaft, permanent-magnet synchronous load motor 1 and tested open winding drive motor 8 are connected in parallel on DC bus 22 respectively by load motor inverter 21 and drive motor inverter 15, be connected to the load motor controller 20 on load motor inverter 21, be connected to the drive motor controller 14 on drive motor inverter 15, be arranged on the drive motor current sensor 13 connected between tested open winding drive motor 8 and drive motor inverter 15 circuit, be arranged on the drive motor inverter current sensor 18 connected between drive motor inverter 15 and DC bus 22 circuit, be arranged on the supply voltage sensor 17 on DC bus 22, computing machine 11 and the data collecting card 12 be connected by USB (universal serial bus) with it,
Also comprise the piezoelectric acceleration transducer 9 be arranged on described tested open winding drive motor 8 housing, drive motor temperature sensor 10, be arranged on the drive motor inverter temperature sensor 16 on drive motor inverter 15 housing, be connected in parallel on the manual control panel 19 on drive motor inverter 15, described torque sensor 5, rotary transformer 3, drive motor temperature sensor 10 and drive motor inverter temperature sensor 16, piezoelectric acceleration transducer 9, drive motor current sensor 13 and drive motor inverter current sensor 18, supply voltage sensor 17 is connected with data collecting card 12 communication respectively,
With reference to Fig. 3, described manual control panel 19 is made up of control circuit and operating circuit two parts:
Control circuit comprises low-voltage dc power supply DY, trigger sensor CG1, master switch K1, selector switch S1, S2, S3, contactor coil KD1, KD2, KD3, KD4, KD5, KD6, KD7, KD8, KD9,2 shunt of selector switch S1 are composed in series selection circuit I with contactor coil KD1, KD2 respectively, 3 shunt of selector switch S2 are composed in series selection circuit II with contactor coil KD3, KD4, KD5 respectively, and 4 shunt of selector switch S3 are composed in series selection circuit III with contactor coil KD6, KD7, KD8, KD9 respectively; Connect with low-voltage dc power supply DY, master switch K1, trigger sensor CG1 after these 3 selection circuit parallel connections; The interface h of trigger sensor CG1 is connected with described data collecting card (12) communication, to transmit the triggered time signal that winding switches;
Operating circuit is made up of 9 loops, is in series with contactor moving together contact KM1 in loop 1, for three phase, open formula winding electric machine is switched to torque capacity winding state; Contactor moving together contact KM2 is in series with, for three phase, open formula winding electric machine is switched to maximum speed winding state in loop 2; Contactor moving together contact KM3 is in series with, for five mutually open winding electric machines are switched to torque capacity winding state in loop 3; Contactor moving together contact KM4 is in series with, for five mutually open winding electric machines are switched to transition winding state in loop 4; Contactor moving together contact KM5 is in series with, for five mutually open winding electric machines are switched to maximum speed winding state in loop 5; Contactor moving together contact KM6 is in series with, for seven mutually open winding electric machines are switched to torque capacity winding state in loop 6; Contactor moving together contact KM7 is in series with, for seven mutually open winding electric machines are switched to First Transition winding state in loop 7; Contactor moving together contact KM8 is in series with, for seven mutually open winding electric machines are switched to the second transition winding state in loop 8; Contactor moving together contact KM9 is in series with, for seven mutually open winding electric machines are switched to maximum speed winding state in loop 9; The phase brachium pontis mid point that the port in each loop is corresponding with drive motor inverter 15 is respectively connected; Contactor moving together contact KM1 in operating circuit, KM2, KM3, KM4, KM5, KM6, KM7, KM8, KM9 are controlled by contactor coil KD1, KD2, KD3, KD4, KD5, KD6, KD7, KD8, KD9 in control circuit respectively.
As shown in Figs. 4-6,14 ports in operating circuit are connected with the inverter system of drive motor as follows: when testing seven mutually open winding electric machines, a ~ the g of manual control panel port connects drive motor inverter system a ~ g phase brachium pontis mid point respectively, and manual control panel port a ' ~ g ' line connects drive motor inverter system a ' ~ g ' phase brachium pontis mid point respectively.When testing five mutually open winding electric machines, only need connect manual control panel port a ~ e and a ' ~ e ', its annexation is constant; When in like manner testing three phase, open formula winding electric machine, only need connect manual control panel port a ~ c line and a ' ~ c ', its annexation is constant.
The control mechanism of manual control panel 19 is:
When K switch 1 closes, manual control panel work, now can switch the winding state of open winding electric machine in real time by selector switch S1, S2, S3; When K switch 1 disconnects, manual control panel is inoperative, now needs to use special open winding electric machine controller to control motor.When using three phase, open formula winding electric machine, by selector switch S1, winding being carried out to motor and switching control; When use five mutually open winding electric machine, by selector switch S2, winding is carried out to motor and switch control; When use seven mutually open winding electric machine, by selector switch S3, winding is carried out to motor and switch control.
Have the motor of n phase winding, the winding state number that it has is (n+1)/2.So three-phase winding motor has 2 kinds of winding states, five phase winding motors have 3 kinds of winding states, and seven phase winding motors have 4 kinds of winding states.The motor maximum torque that each winding state is corresponding is different from maximum speed.When being switched to another winding state from a certain winding state, if peak torque declines, maximum speed will rise, and vice versa.So motor has a peak torque winding state, a maximum speed winding state.If motor has be greater than 2 kinds of winding states, so between peak torque winding state and maximum speed winding state, also have some transition winding states.Selector switch S1 controls three-phase winding motor, and wherein during the contactor KM1 closing of contact, three-phase winding motor is in peak torque winding state; During the contactor KM2 closing of contact, three-phase winding motor is in maximum speed winding state.Selector switch S2 controls five phase winding motors, and wherein during the contactor KM3 closing of contact, five phase winding motors are in peak torque winding state; During the contactor KM4 closing of contact, five phase winding motors are in transition winding state; During the contactor KM5 closing of contact, five phase winding motors are in maximum speed winding state.Selector switch S3 controls seven phase winding motors, and wherein during the contactor KM6 closing of contact, seven phase winding motors are in peak torque winding state; During the contactor KM7 closing of contact, seven phase winding motors are in First Transition winding state; During the contactor KM8 closing of contact, seven phase winding motors are in the second transition winding state; During the contactor KM9 closing of contact, seven phase winding motors are in maximum speed winding state.
Application the utility model open winding permanent magnet synchronous motor test macro can be realize following detection experiment to various open winding permanent magnet synchronous motor:
1, the division of test zone is completed by computer program, input is by the number of phases of measured motor, peak power and the torque capacity under star winding state, invariable power rotating speed and maximum (top) speed, calculate the perform region under each winding state, to determine test point and the test specification of motor.
2, winding test is determined: under the winding state that motor is fixing, tested working points different in motor drag to test zone, efficiency, the temperature regime of each working point in each fixing winding state test zone can be obtained; Object obtains the efficiency collection of illustrative plates of motor under each winding state, and the control strategy that the winding for motor switches provides data, and provide contrast for becoming winding test.
3, winding test is become: carry out on the test zone that motor is whole, and carry out dynamic winding switching at each test job point, with obtain on each working point winding switch before and after efficiency change, temperature variation and handoff procedure in motor body Vibration Condition and torque ripple situation.Have the motor of n phase winding, its winding state number has (n+1)/2.As three-phase winding motor has star and dihedral two kinds of winding states; Five phase winding motors have star, dihedral and pentalpha three kinds of winding states.Become winding test winding transfer sequence into, from torque capacity winding, along with the switching of winding, torque capacity declines gradually, and maximum speed constantly rises, and finally switches to maximum speed winding.If this working point beyond the working range of motor under some winding state, then do not switch corresponding winding state, but transfer sequence remains unchanged.
Claims (1)
1. an open winding permanent magnet synchronous motor test macro, comprise respectively by load motor support (2), drive motor support (7) is arranged on the permanent-magnet synchronous load motor (1) at a stand (23) two ends and tested open winding drive motor (8), the torque sensor (5) between permanent-magnet synchronous load motor (1) and tested open winding drive motor (8) is arranged on by torque sensor supporting (6), the axle two ends of torque sensor (5) are connected with the output shaft of permanent-magnet synchronous load motor (1) respectively by the output shaft of two diaphragm elastic coupling (4) with tested open winding drive motor (8), be nested with the rotary transformer (3) on permanent-magnet synchronous load motor (1) output shaft, permanent-magnet synchronous load motor (1) and tested open winding drive motor (8) are connected in parallel on DC bus (22) respectively by load motor inverter (21) and drive motor inverter (15), be connected to the load motor controller (20) on load motor inverter (21), be connected to the drive motor controller (14) on drive motor inverter (15), be arranged on the drive motor current sensor (13) connected between tested open winding drive motor (8) and drive motor inverter (15) circuit, be arranged on the drive motor inverter current sensor (18) connected between drive motor inverter (15) and DC bus (22) circuit, be arranged on the supply voltage sensor (17) on DC bus (22), computing machine (11) and the data collecting card (12) be connected by USB (universal serial bus) with it, it is characterized in that:
Also comprise the piezoelectric acceleration transducer (9) be arranged on described tested open winding drive motor (8) housing, drive motor temperature sensor (10), be arranged on the drive motor inverter temperature sensor (16) on drive motor inverter (15) housing, be connected in parallel on the manual control panel (19) on drive motor inverter (15), described torque sensor (5), rotary transformer (3), drive motor temperature sensor (10) and drive motor inverter temperature sensor (16), piezoelectric acceleration transducer (9), drive motor current sensor (13) and drive motor inverter current sensor (18), supply voltage sensor (17) is connected with data collecting card (12) communication respectively,
Described manual control panel (19) is made up of control circuit and operating circuit two parts:
Control circuit comprises low-voltage dc power supply DY, trigger sensor CG1, master switch K1, selector switch S1, S2, S3, contactor coil KD1, KD2, KD3, KD4, KD5, KD6, KD7, KD8, KD9,2 shunt of selector switch S1 are composed in series selection circuit I with contactor coil KD1, KD2 respectively, 3 shunt of selector switch S2 are composed in series selection circuit II with contactor coil KD3, KD4, KD5 respectively, and 4 shunt of selector switch S3 are composed in series selection circuit III with contactor coil KD6, KD7, KD8, KD9 respectively; Connect with low-voltage dc power supply DY, master switch K1, trigger sensor CG1 after these 3 selection circuit parallel connections; The interface h of trigger sensor CG1 is connected with described data collecting card (12) communication, to transmit the triggered time signal that winding switches;
Operating circuit is made up of 9 loops, is in series with contactor moving together contact KM1 in loop 1, for three phase, open formula winding electric machine is switched to torque capacity winding state; Contactor moving together contact KM2 is in series with, for three phase, open formula winding electric machine is switched to maximum speed winding state in loop 2; Contactor moving together contact KM3 is in series with, for five mutually open winding electric machines are switched to torque capacity winding state in loop 3; Contactor moving together contact KM4 is in series with, for five mutually open winding electric machines are switched to transition winding state in loop 4; Contactor moving together contact KM5 is in series with, for five mutually open winding electric machines are switched to maximum speed winding state in loop 5; Contactor moving together contact KM6 is in series with, for seven mutually open winding electric machines are switched to torque capacity winding state in loop 6; Contactor moving together contact KM7 is in series with, for seven mutually open winding electric machines are switched to First Transition winding state in loop 7; Contactor moving together contact KM8 is in series with, for seven mutually open winding electric machines are switched to the second transition winding state in loop 8; Contactor moving together contact KM9 is in series with, for seven mutually open winding electric machines are switched to maximum speed winding state in loop 9; The phase brachium pontis mid point that the port in each loop is corresponding with drive motor inverter (15) is respectively connected; Contactor moving together contact KM1 in operating circuit, KM2, KM3, KM4, KM5, KM6, KM7, KM8, KM9 are controlled by contactor coil KD1, KD2, KD3, KD4, KD5, KD6, KD7, KD8, KD9 in control circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455411.XU CN204694826U (en) | 2015-06-29 | 2015-06-29 | Open winding permanent magnet synchronous motor test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455411.XU CN204694826U (en) | 2015-06-29 | 2015-06-29 | Open winding permanent magnet synchronous motor test macro |
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| Publication Number | Publication Date |
|---|---|
| CN204694826U true CN204694826U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520455411.XU Withdrawn - After Issue CN204694826U (en) | 2015-06-29 | 2015-06-29 | Open winding permanent magnet synchronous motor test macro |
Country Status (1)
| Country | Link |
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| CN (1) | CN204694826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950257A (en) * | 2015-06-29 | 2015-09-30 | 吉林大学 | Test system and test method for open-end winding permanent magnet synchronous motor |
| CN111478642A (en) * | 2020-04-16 | 2020-07-31 | 广州华凌制冷设备有限公司 | Drive control circuit, drive control method, circuit board and air conditioner |
-
2015
- 2015-06-29 CN CN201520455411.XU patent/CN204694826U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950257A (en) * | 2015-06-29 | 2015-09-30 | 吉林大学 | Test system and test method for open-end winding permanent magnet synchronous motor |
| CN104950257B (en) * | 2015-06-29 | 2017-07-14 | 吉林大学 | Open winding permanent magnet synchronous motor test system and method for testing |
| CN111478642A (en) * | 2020-04-16 | 2020-07-31 | 广州华凌制冷设备有限公司 | Drive control circuit, drive control method, circuit board and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151007 Effective date of abandoning: 20170714 |
|
| AV01 | Patent right actively abandoned |