DYDQ-ZY motor assembly and running testing experiment platform

This device is a new type of motor test bench , which also has the experimental functions of three-phase asynchronous motors, stepper motors, servo motors and other motors. It also uses digital detection methods to more intuitively reflect the motor control process, and strengthens a variety of motor production and electrical control (drag) methods. It is a practical tr*ning and assessment equipment that can meet multi-level teaching. It is suitable for teaching and skills tr*ning in related majors offered by higher vocational colleges, colleges and secondary vocational colleges. At the same time, the tr*ning device can also be used as an assessment device for skill tr*ning and skill appr*sal in technical schools, vocational education centers, and vocational qualification appr*sal stations.

2. Device characteristics

1. Strong safety: Each power output and each measuring instrument have reliable protection functions, and have a complete and reliable personal safety protection system.

2. Strong adaptability: It can satisfy the experimental teaching of corresponding courses in various schools. The depth and breadth can be flexibly adjusted according to needs. Popularization and improvement can be organically combined according to the teaching process.

3. Strong scientific nature: high-precision intelligent data measurement is adopted, and the experimental instruments adopt various forms such as pointer type and digital type, and the measurement data accuracy is high. You can also use a computer to network with it and configure it on the computer through configuration software to complete remote monitoring of the experimental device.

4. Strong comprehensiveness: It provides a variety of AC and DC motors at the same time, and can complete a variety of motor control experiments on one experimental platform. Save experimental space, easy and flexible installation.

5. Strong supporting capabilities: Instruments, special power supplies, motor assembly tools, and special wires for experimental connections are all fully equipped. The performance and specifications of instruments, components, etc. are closely combined with the needs of the experiment.

3. Technical performance

1. Input power supply: three-phase four-wire (or three-phase five-wire) ~ 380V ±10% 50Hz

2. Machine power: ≤1 KVA

3. Working environment: temperature -10℃～+40℃, relative humidity <85% (25℃), altitude <4000m

4. Overall dimensions: Expansion: 1850mm×700mm×1650mm (length×width×height)

5. Safety protection: It has leakage voltage and leakage current protection devices, and is safe and in line with national standards.

4. Structural and functional characteristics

The tr*ning equipment platform adopts power control and acquisition

(1) Power control operation box

It adopts a drawer-type structure and can be pushed and hidden in the tr*ning device at ordinary times. The power control operation box provides various power supplies and detection instruments required for the entire experimental device. Cont*ns the following parts

1. AC power protection device

(1) The three-phase four-wire power supply passes through the leakage protector and short-circuit protection device, is operated by the contactor through the start and stop buttons, and is output to the safety connection socket on the panel

(2) The short-circuit protection adopts patented technology. When the U, V, and W outputs of the panel are short-circuited, the protection device will disconnect the contactor and issue an audible and visual alarm. Restart after troubleshooting and reset

2. AC power supply

(1) Three-phase adjustable AC power supply, the voltage is regulated through a 6KVA three-phase auto-coupling voltage regulator, which can output three-phase 0~450V. The adjustable AC power output is equipped with overcurrent protection.

(2) Output three-phase AC 220V special power supply for external equipment.

3. DC power supply

(1) Two adjustable DC power supplies are provided, DC 30~220V/2A, with overload and short-circuit protection functions; equipped with a special digital display meter to display the output voltage and current.

(2) One set each of 5V/2A and 24V/6A regulated DC power supplies, with short circuit protection function.

(3) A set of 0-1A steady current power supply for controlling magnetic powder brakes.

4. Measuring instruments

(1) Intelligent digital multi-function AC instrument (one)

LCD display, multi-functional power meter can measure and display commonly used power parameters in three-phase power grid systems with high precision, such as three-phase voltage and current, active power, reactive power, frequency power factor, etc. It has intuitive display, high accuracy and stability. Good, anti-vibration and other advantages. The accuracy of the power meter is 0.5, and the voltage and current ranges are 450V and 15A respectively.

(2) Pointer type AC ammeter (three pieces): measuring range 0-10A is used to monitor the three-phase adjustable power supply current.

(3) Digital display DC voltmeter (two): measuring range 0-300V, monitor the output voltage of the DC adjustable power supply (1) and (2) respectively.

(4) Digital display DC ammeter (two): range 0-2A, respectively monitor the output current of the DC adjustable power supply (1) (2).

(5) Digital display DC ammeter (one): range 0-1A, used to monitor the output value of the steady current source.

(5) Digital tachometer (one): range 0-9999r/min, displays the speed value measured by the speed sensor

(6) One digital display torque meter (one): range 20N.M, used to display the measured value of the torque sensor

(2) Motor mechanical carrier

The mechanical carrier of the motor adopts a steel structure. The prime mover is connected to the torque sensor through different connecting mechanisms such as elastic couplings and transmission shafts, and the prime mover is loaded through a magnetic powder brake. The m*n unit cont*ns the following components:

Brushless DC motor 500W, separately excited DC motor 123W, magnetic powder brake 20Nm, dynamic torque sensor 20Nm, three-phase squirrel cage asynchronous motor 370W, two-phase stepper motor, servo motor SGDV-2R8A01

(3) Installation tools and auxiliary equipment

Including tool box, slotted screwdriver, Phillips screwdriver, automatic wire stripper, diagonal pliers, needle nose pliers, crimping pliers, crimping pliers, pins, cold-pressed plugs, vernier calipers, rubber hammer, megger, steel Square square, Allen wrench, file, steel ruler, open-end wrench, adjustable wrench, guide r*l C45, insulating pad, etc.

(4) Motor control devices

Including brushless DC motor control board, inverter 0.75KW, touch screen 6AV6 648-0BC11-3AX0, programmable controller FX3U-32MT/ES-A, expansion module FX2N-16EYR, stepper motor driver 2M530, servo driver SGDV-2R8A01A , Brushless DC motor driver BL-2203C, 3P *r switch 6A, fuse 3P, AC contactor CJX2-0910 220V, thermal relay, auxiliary contact group F4-22, auxiliary contact group F5-T2

Auxiliary contact group F5-D2

5. List of basic tr*ning skills

1) Measurement of three-phase current;

2) The use of comprehensive power display instruments;

3) Use of tachometer and torque meter;

4) Control circuit connection for direct starting and stopping of three-phase asynchronous motors;

5) Connection of the forward and reverse control circuits of the three-phase AC asynchronous motor with contactor interlocking;

6) Connection of forward and reverse control circuits of three-phase AC asynchronous motors with button interlocking;

7) Connection of forward and reverse control circuits of three-phase AC asynchronous motors with button and contactor interlocking;

8) Connection of three-phase AC asynchronous motor Y-△ (time relay switching) starting control circuit;

9) Start and stop control of DC separately excited motor

10) Forward and reverse control of DC separately excited motor;

11) Stepper motor control;

12) Parameter setting of stepper driver;

13) PLC open-loop control of stepper motor ;

14) Control of AC servo motor;

15) Parameter setting of AC servo drive;

16) PLC semi-closed loop control of AC servo motor;

17) Brushless DC motor driver parameter setting;

18) Control of brushless DC motor;

19) Use of speed sensor

20) Use of torque sensor

21) Use of magnetic powder brake

22) Inverter panel function parameter setting and operation tr*ning;

23) The frequency converter controls the jogging, start and stop of the motor;

24) Multi-stage control of motor speed;

25) Power frequency and variable frequency switching control;

26) Motor open-loop speed regulation based on analog control;

27) Motor open-loop speed regulation based on panel operation;

28) Practical tr*ning on the protection and alarm functions of frequency converters;

29) Open-loop speed regulation of frequency converter based on PLC;

30) PLC controls the sequential start of the motor;

31) PLC controls three-phase asynchronous motor Y-△ starting circuit;

32) Parameter setting of touch screen;

33) Touch screen programming;

34) Comprehensive practical tr*ning on touch screen, PLC, and frequency converter;

35) Measurement and control of the speed, torque and power of each motor;

36) Motor no-load performance test;

37) Motor mechanical characteristics test;

38) Motor operating characteristics test;

39) Motor stall performance test

40) Electrical and mechanical assembly and adjustment tr*ning;

41) Drawing of motor characteristic curve

6. Equipment configuration

7. Supporting tools

Hot-selling product: Electrician tr*ning bench