Electrical Machine Training System Education Teach Equipment

• Warranty: 1 Year
• Condition: New
• Customized: Customized
• Certification: ISO9001, CE
• Transport Package: Wooden
• Trademark: ZHONGCAI
• Model NO.: ZC-QCEMTS-1
• Origin: China
• HS Code: 9023000000
• Production Capacity: 500/Year

Product Description

Electrical machine training system

I. Overview
  "Experimental device for electrical machinery and electrical technology" is a novel comprehensive experimental device designed by our company, which integrates the current "Electrical Engineering", "Motor and Drag", "Control Micromotor", "Motor Control" and "Relay Requirements for the experimental outlines of courses such as "electric contact control", "programmable controller technology" and "factory electrical control". It is especially suitable for the renewal and transformation of existing electrical and electrical technology experimental equipment in colleges and universities. It also provides ideal experimental equipment for new or expanded laboratories in secondary professional schools, vocational and technical colleges, and rapid opening of experimental courses. Provide good experimental conditions for graduate students to develop new experiments or conduct scientific research work.

2. Features
     1. Strong comprehensiveness: This device integrates all the experimental projects of various domestic colleges and universities in electrical and electrical courses.
     2. Strong adaptability: It can meet the experimental teaching of corresponding courses in various schools. The depth and breadth of the experiment can be adjusted flexibly according to the needs, and the popularization and improvement can be organically combined according to the teaching process. The device adopts a modular structure, which is convenient to replace. If you need to expand the function or develop a new experiment, you only need to add parts and never get out of it.
    3. Strong complete set: from instrumentation, special power supply, motor and other experimental components to experimental connection special wires, all are fully equipped, and the performance and specifications of the supporting components are configured closely according to the needs of the experiment.
    4. Strong intuitiveness: Each experimental pendant adopts a separate structure, the component panel is schematic, the diagram line is clear, the task of each pendant is clear, and the operation and maintenance are convenient.
    5. Strong scientificity: The device occupies a small area, saves laboratory rooms, and reduces capital investment; the supporting small motors are specially designed to simulate the characteristics and parameters of small and medium-sized motors; small motors consume less electricity and save energy; experiments Low noise, neat and beautiful, improve the experimental environment; electrical control experiments, rich in content, reasonable design, in addition to deepening theoretical knowledge, but also lay a good foundation for students to go to society; measuring instruments adopt pointer type (with over-range alarm, etc.), digital The combination of analog dual display, digital, intelligent and man-machine dialogue, and closely combine the needs of teaching experiments to configure to modernize the measurement methods of the device; a timer and alarm recorder are provided to provide a unified test for students' experimental skills standard.
    6. Strong openness: control panel power supply isolation (floating design), and is equipped with voltage-type leakage protection device and current-type leakage protection device to ensure the safety of the operator; each power output has functions such as monitoring and short-circuit protection, Easy to use; each measuring instrument has a protection function. The whole set of equipment has been carefully designed, coupled with reliable component quality and reliable technology as a guarantee, and excellent product performance. All of these create conditions for open experiments and help improve students' ability to analyze and solve problems.

3. Technical performance
    1. Input power: three-phase four-wire (or three-phase five-wire) ~380V±10% 50Hz
    2. Working environment: temperature -10ºC~+40ºC relative humidity<85%(25ºC) altitude<4000m
    3. Device capacity: <1.5KVA
    4. Weight: 480Kg
    5. Dimensions: 187×70×160cm3

4, The basic equipment of the device
1. DQ01B power control panel (iron spray structure, aluminum panel)
(1) AC power
Provides three-phase 0~450V adjustable AC power supply, and can obtain single-phase 0~250V adjustable power supply at the same time (equipped with a three-axis linkage auto-voltage regulator (specification 1.5KVA, 0~450V), which overcomes three single Phase voltage regulator adopts many shortcomings of chain structure or gear structure). The adjustable AC power output is equipped with overcurrent protection technology, which can automatically protect the phase-to-phase, line-to-line overcurrent and direct short circuit, which overcomes the trouble of replacing the fuse. Equipped with three pointer type AC voltmeters, which indicate the three-phase grid voltage and the three-phase voltage regulation through the switch.
   (2) Two high-voltage DC power supplies
Provide a set of 220V (0.5A) excitation power supply and 0~250V (3A) continuously adjustable stabilized armature power supply (with internal overvoltage, overcurrent and short-circuit soft cut-off automatic recovery protection functions), and a DC digital display Voltmeter and switch.
   (3) Personal safety protection system
There is a set of three-phase isolation transformers (the three-phase power supply passes through the key switch and contactor, to the isolation transformer, and then outputs through the three-phase voltage regulator) to isolate the output from the power grid and play a certain protective role for personal safety;
Equipped with voltage-type leakage protector, if there is leakage in the circuit of the power control panel, it can protect and cut off the power supply;
Equipped with a current-type leakage protector. If the control panel has leakage and the leakage current exceeds a certain value, the power supply will be cut off.
The strong current connection line and socket adopt a fully enclosed structure, which is safe, reliable and electric shock-proof.
(4) Timer and alarm recorder (service manager): It has the functions of setting time, alarming on time, cutting off power and recording various alarm times.
(5) In the large groove on the front of the control panel, there are two steel pipes for hanging instruments and experimental parts. There are multiple small round single-phase three-core 220V power sockets at the bottom of the groove for power supply for instruments and other components. There are three-pole 220V power sockets and three-phase four-pole 380V power sockets on both sides of the control panel. Equipped with a 220V, 40W fluorescent lamp for laboratory bench lighting.
2. DQ02 experiment table
The experimental table is made of iron double-layer matt dense pattern spray structure, the table top is fireproof, waterproof, wear-resistant high-density board, the structure is sturdy, the shape is like a rectangular closed structure, and the shape is beautiful and generous; with two large drawers and cabinet doors , Used to place tools, store pendants and materials, etc. The desktop is used to install the power control panel and provide a spacious and comfortable work surface. The experiment table is also equipped with four universal wheels and four fixed adjustment mechanisms, which are convenient to move and fix, which is conducive to the layout of the laboratory.
3. DQ03-1 fixed motor guide rail, photoelectric encoder speed measurement system and intelligent digital display tachometer
    Including the speed measurement system and the guide rail for fixing the motor. The guide rail has good flatness, no stress deformation, fine processing, good concentricity, and good interchangeability, which can ensure that the concentricity of the connection between the motor and the motor, the motor and the dynamometer does not exceed ±5 wires, and the motor running noise is small. The parameters are typical and can better meet the experimental requirements. The speed measurement system adopts the photoelectric encoder speed measurement system, which overcomes the shortcomings of poor linearity and inaccuracy of the speed measurement by the speed measurement generator.
4. DQ05 three-phase group transformer (composed of three identical single-phase transformers, primary side 220V/0.35A, secondary side 55V/1.4A)
5. DQ07 DC compound excitation generator (Un=DC200V, IN=0.5A, PN=100W, n=1600RPM, insulation class E)
6. DQ09 DC other (shunt) excitation motor (Un=DC220V, IN=1.1A, PN=185W, n=1500RPM, insulation class E)
7. DQ10 three-phase squirrel cage asynchronous motor (AC3800V/220V, connection Y/Δ, speed 1420 RPM, power 100W, current 0.5A
Insulation class E)
8. DQ11 three-phase wire wound asynchronous motor (AC220V, connection Y, speed 1380 RPM, power 120W, current 0.6A, insulation class E)
9. GDQ12 wire wound asynchronous motor starting and speed regulating resistance box
Provide a set of three-phase wound asynchronous motor rotor starting and speed regulating resistors with five gears of 0, 2, 5, 15, and 35 coaxial joint adjustment.
10. DQ14 three-phase synchronous motor
When used as a motor, 220V/Y, 0.35A, 90W, 1500r/min; when used as a generator, 220V/Y, 0.45A, 170W, 1500r/min
11. DQ19 calibration DC dynamometer (220V, 2.2A, 355W, 1500r/min)
It can be used as a motor and a dynamometer. When used as a motor, it can be used as the prime mover of a generator, and it can also be used to drive the motor to complete the four-quadrant test. When used as a dynamometer, because the motor is specially designed, the capacity is 2 to 3 times of the measured motor, and calibrated by precision instruments, can well complete the load output torque test of the measured motor.
12. DQ22 DC digital voltage, milliampere, ampere meter (three)
    A DC digital display voltmeter is designed with ICL high-performance AD converter and high-speed MPU unit. The man-machine dialogue function control mode is realized through keying and digital display window. With automatic and manual range, the measuring range is 0-300V. The manual range is: 2V, 20V, 300V. The measurement accuracy is 0.5 level. With data storage and query functions. With over-range alarm and indication functions.
    One DC digital display milliamp meter is designed with ICL high-performance AD converter and high-speed MPU unit. The man-machine dialogue function control mode is realized through keying and digital display window. With automatic and manual range, measuring range: 0-2000mA. The manual range is: 20mA, 200mA, 2000mA. The measurement accuracy is 0.5 level. With data storage and query functions. With over-range alarm and indication functions.
    One DC digital ammeter, measuring range 0~5A, three and a half digital display, precision 0.5, with short circuit protection function.
13. DQ25 single three-phase intelligent power and power factor meter
    Designed by a 24-bit dedicated DSP, a 16-bit high-precision AD converter and a high-speed MPU unit, the man-machine dialogue function control mode is realized through keying and digital display windows. The software adopts RTOS design ideas, and is equipped with PC monitoring software to strengthen analysis capabilities. It can measure two-way single-phase power P1 and P2 at the same time, and the three-phase power is equal to the sum of the two-way power (two-meter method to measure the three-phase total power). The power measurement accuracy is 1.0, the power factor measurement range is 0.3-1.0, and the voltage and current ranges are 450V and 5A. It can automatically determine the nature of the load (inductive display "L", capacitive display "C", pure resistance does not display), and Store measurement data for reference at any time.
14. DQ26 three-phase adjustable resistors (three groups of 90Ω×2/1.3A ceramic plate resistors)
15. DQ27 three-phase adjustable resistors (three sets of 900Ω×2/0.41A ceramic disc resistors)
16. DQ28 three-phase adjustable reactor
Each phase consists of a 127V/0.5A fixed reactor and a 0~250V auto-voltage regulator, which can be used as a fixed inductance and adjustable reactor, or as an auto-voltage regulator.
17. DQ29 adjustable resistors and capacitors
    Provide one set of 90Ω×2/1.3A and 900Ω×2/0.41A ceramic plate resistors, and one set of 35μF/450V and 4μF/450V power capacitors.
18. DQ31 waveform test and switch board
    It consists of a transformer waveform test part, two three-pole double-throw switches and one double-pole double-throw switch.
19. DQ32 revolving light, grid-connected switch, excitation power supply for synchronous motor.
It is composed of three groups of phase lights (two yellow, green and red each) for grid connection, a group of grid-connected switches and a group of synchronous machine excitation power sources <5~40V/2.5A adjustable>.
20. DQ44 digital/analog AC ammeter (four)
It is composed of three digital AC ammeters and a pointer type precision AC current. The measuring range is 0~5A, the accuracy is 0.5 grade, and three and a half digits are displayed. A pointer type precision AC ammeter, with a mirror surface, double scale line (red and black) meter head (different ranges to read the corresponding scale line), the measurement range of 0 ~ 5A, divided into four 0.3A, 1A, 3A, 5A Gear, precision 1.0, direct key switch switch, with over-range indication, alarm and other functions.
21. DQ45 digital/analog AC voltmeter (four)
It is composed of three digital AC voltmeters and a pointer type precision AC current. The measuring range is 0~450V, the accuracy is 0.5 grade, and the digital display is 3 and a half digits. A pointer type precision AC voltmeter, with a mirror, double scale line (red and black) meter head (different ranges read the corresponding scale line), the measurement range is 0 ~ 500V, divided into 10V, 30V, 100V, 300V, 500V five gears, accuracy 1.0 level, direct key switch switch, with over-range indication, alarm and other functions.
22. DQ36 stepper motor control box and stepper motor experimental components
This control box is used to control the various operation modes of the stepping motor. Its control function is realized by the single-chip microcomputer. The operation status of the motor is determined through the operation of the keyboard and different display modes.
This control box is suitable for the control of various operation modes of three-phase, four-phase and five-phase stepping motors. It can realize single-step operation, continuous operation and preset number operation; it can realize single three-beat, double three-beat, three-phase six-beat and reversible motor operation
23. DQ38 AC servo motor and experimental components
The motor adopts the SL series squirrel-cage two-phase servo motor. The AC servo motor experiment hanging box consists of a true RMS AC voltmeter, a true RMS AC ammeter, transformer (380/220/110) and adjustable capacitor (0 -6.5uF) composition.
24. Double-loop sheathed structure connecting wire (there is no possibility of electric shock), the inside is made of oxygen-free copper wire drawn into a hair-like thin multi-strand wire, which achieves super soft purpose, and is covered with a nitrile polyvinyl chloride insulation layer. It has the advantages of softness, high pressure resistance, high strength, anti-hardening, and good toughness. The plug is made of solid copper pieces and outer beryllium light copper shrapnel, which has excellent contact.
25. 1 set of motor blocking brake tools.
26. 1 set of detachable multi-layer shelves.

5. Experimental project
1. DC motor experiment
1) DC motor recognition experiment
2) Working characteristic experiment of DC generator
3) DC shunt motor
4) Moment of inertia test of DC motor
5) Experiment of working characteristics and speed regulation characteristics of DC separately excited motor
2. Transformer experiment
1) Measurement of working characteristics and equivalent parameters of single-phase transformer
2) Connection group and asymmetric short circuit of three-phase transformer
3) Parallel operation of single-phase transformers
3. Asynchronous motor experiment
1) Parameter determination of three-phase squirrel cage asynchronous motor
2) Starting and speed regulation of three-phase asynchronous motor
3) Measurement of working characteristics and mechanical characteristics of three-phase asynchronous motors
4) M-S curve mapping of three-phase asynchronous motor
4. Synchronous motor experiment
1) Operating characteristics of three-phase synchronous generators
2) Grid-connected operation of three-phase synchronous generators
3) Three-phase synchronous motor
4) Determination of three-phase synchronous motor parameters
5. Control micro-motor experiment
1) DC servo motor experiment
2) AC servo motor experiment
3) Stepper motor experiment

6. Device configuration list

Number	BOX Number	Name	QTY
1	DQ01B	Power control panel	1set
2	DQ02	Experiment table	1set
3	DQ03-1	Fixed motor guide rail, optical code disc speed measurement system and online programmable intelligent digital tachometer	1pcs
4	DQ05	Three-phase group transformer	1pcs
5	DQ07	DC Compound Excitation Generator	1pcs
6	DQ09	DC other (shunt) excitation motor	1set
7	DQ10	Three-phase squirrel cage asynchronous motor	1set
8	DQ11	Three-phase wire wound asynchronous motor	1set
9	GDQ12	Wire-wound asynchronous motor starting and speed regulating resistance box	1pcs
10	DQ14	Three-phase synchronous motor	1pcs
11	DQ19	Calibration DC Dynamometer	1set
12	DQ22	DC digital voltage, milliampere, ampere meter (three meters) (Note: 2 pieces are required for each set according to the experimental requirements)	2pcs
13	DQ44	Digital/analog AC ammeter (four meters)	1pcs
14	DQ45	Digital/analog AC voltmeter (four meters)	1pcs
15	DQ25	Single/three-phase intelligent power and power factor meter	1pcs
16	DQ26	Three-phase adjustable resistor (90Ω*2/1.3A per group)	1pcs
17	DQ27	Three-phase adjustable resistor (each group of 900Ω*2/0.41A)	1pcs
18	DQ28	Three-phase adjustable reactor	1pcs
19	DQ29	Adjustable resistors, capacitors	1pcs
20	DQ31	Waveform test and switch board	1pcs
21	DQ32	Revolving light, grid-connected switch, synchronous machine excitation power supply	1pcs
22	DQ36	Stepper motor control box and stepper motor experimental parts	1set
23	DQ38	AC servo motor and experimental parts	1set
24	Connection line	High-reliability sheath structure pistol plug-in test cable and accessories	1set
25	Tool	Motor blocking brake tool	1set