Electronic Electric Drives Training Device

• Warranty: 1 Year
• Condition: New
• Customized: Customized
• Certification: ISO9001, CE
• Transport Package: Wooden
• Trademark: ZHONGCAI
• Origin: China
• Production Capacity: 500 PCS/Year

Product Description

Electronic/Electric drives training device

This device is a product developed by our company in accordance with the requirements of the Ministry of Education of the Ministry of Education "Revitalizing the 21st Century Vocational Education Curriculum Reform and Teaching Material Construction Plan" and in accordance with the teaching and training requirements of vocational education. The training content covers "circuit analysis" and "electrician foundation". "Electrical engineering", "analog electronic technology", "digital electronic technology", "motor control", "relay contactor control" and other courses training projects, reasonable structure, training components adopt hanging box type, easy to add or expand training projects . The device is suitable for new or expanded training rooms in higher vocational schools, colleges, technical secondary schools, vocational schools, etc., and provides ideal training equipment for schools to quickly open training courses.

1. Technical performance
1. Input power: three-phase four-wire (or three-phase five-wire) ~ 380V±5% 50Hz
2. Temperature: -10ºC~+40ºC, relative humidity<85% (25ºC)
3. Device capacity: <1.5KVA
4. Weight: 150Kg
5. Dimensions: 1400mm×700mm×1500mm

2. Basic configuration and function of training device
This training platform is mainly composed of training screens, training hanging boxes, and training tables.

(1) Training screen
    The training screen is made of aluminum alloy structure and aluminum panel. It provides AC power supply, DC stabilized power supply, constant current source, function signal generator, test instrument and training device for the training hanging box. The specific functions are as follows:
1. Control and AC power supply
(1) Provide a three-phase fixed 380V AC power supply, the output of which is independently controlled by a combination switch, and the direct short circuit or overload between the phases and lines is automatically monitored and protected by the single-chip microcomputer throughout the whole process. After the current-type voltage-type leakage switch is turned on, the start and stop buttons control the working power of the training platform. With alarm and reset functions.
(2) Provide a single-phase 0~250V/2A continuously adjustable AC power supply (equipped with a 0.5KVA single-phase voltage regulator). At the same time, a set of 0-240V continuous adjustable DC power supply can be obtained through the rectification link, and a meter indicates the output voltage value.
(3) Provide 2V, 4V, 6V, 8V, 10V, 12V, 14V, 16V, 18V, 20V, 24V low voltage AC power supply, current 1.5A.
(4) Provide 2 ~220V sockets to provide working power for external instruments.
(5) Equipped with a set of 250V/30W fluorescent tubes and brackets for training.
2. DC power supply part
(1) Dual-channel constant current stabilized power supply, both output voltages are 0-30V, and the built-in relay automatically shifts gears. Multi-turn potentiometer can be adjusted continuously, which is easy to use. The maximum output current is 1.5A, with preset current-limiting protection function, the output has 0.5-level digital ammeter, voltmeter indication, voltage stability 10-2, load stability 10-2, ripple voltage 5mv.
(2) Low-voltage DC regulated power supply: +5V, current 0.5A, with meter indication.
3. Function signal generator: output sine wave, rectangular wave, triangle wave
(1) Frequency range: 5Hz-550KHz, including five frequency bands.
(2) Frequency indication: read directly by Hz meter.
(3) Voltage output range: sine wave 5Hz-250KHz>4.5V, 250KHz-550KHz>3.5Hz
Three-level attenuation: 0db, 20db, 40db, with continuous fine adjustment
Rectangular wave: 5Hz-250KHz>4.5V, 250KHz-550KHz>3.5Hz, the amplitude is continuously adjustable
Triangle wave: 5Hz-250KHz>1V
4. Continuous count pulse: output frequency 0.5-300KHz.
5. Single pulse: a pair of positive and negative pulses can be output each time.
6. Instrument section
(1) A true effective value AC digital voltmeter, measuring range: 0-500V, 0.5 level, three and a half digital display.
(2) A true effective value AC digital ammeter, measuring range: 0-5000mA, 0.5 level, three and a half digital display.
(3) A DC digital display voltmeter, measuring range: 0-500V, 0.5 level, three and a half digital display.
(4) A DC digital ammeter, measuring range: 0-5000mA, 0.5 level, three and a half digital display.
(5) Single-phase intelligent power and power factor meter
It consists of a set of microcomputer, high-speed, high-precision A/D conversion chip and full digital display circuit. The control mode of man-machine dialogue function is realized through keying and digital display window. In order to improve the measurement range and test accuracy, the sampled signals at the instantaneous value of the voltage and current to be measured are converted by A/D, and a dedicated DSP is used to calculate the active power. The power measurement accuracy is 0.5 grade, and the voltage and current ranges are 450V and 5A respectively. It can measure the active power, power factor and the nature of the load; it can also store and record 15 sets of power and power factor test result data, and can be Group query.
(6) A pointer type DC microammeter with a range of 100uA and an accuracy of 1.5.
7. Seven-segment decoder: 6 groups of seven-segment decoders and corresponding decoding display nixie tubes
8. Logic level display: 8-digit LED display
9. Logic level switch: 8-bit switch level output
10. Experiment Manager
Usually used as a clock, it has the functions of setting training time, timing alarm, and cutting off the power. In addition, it automatically records the total number of leakage alarms caused by wiring or operation errors, providing a unified standard for students' training skills assessment.

(2) Training hanging boxes and accessories
1. DGJ-01 Basic Principles of DC Circuit Hanging Box (1)
2. DGJ-02 basic principle of DC circuit hanging box (two)
3. DGJ-03 AC and magnetic circuit basic principle hanging box (3)
4. DGJ-04 AC three-phase load hanging box (four)
5. DGJ-05 Basic Law Theorem Hanging Box (5)
6. DZJ-01 transistor amplifier circuit
7. DZJ-02 field effect tube and negative feedback amplifier circuit (1)
8. DZJ-03 field effect tube and negative feedback amplifier circuit (2)
9. DZJ-04 oscillating circuit
10. DZJ-05 differential amplifier and power amplifier
11. DZJ-06 triode volt-ampere characteristics and basic amplifier circuit
12. Application of DZJ-07 integrated operational amplifier
13. DZJ-08 DC voltage regulator circuit
14. DZJ-09 transistor and gate circuit
15. DZJ-10 digital circuit (1)
16. DZJ-11 digital circuit (two)
17. DZJ-12 A/D, D/A and voltage regulator circuit
18. DZJ-13 comprehensive application
19. A set of connecting lines
(3) Training table
    Aluminum structure, the tabletop is made of fireproof, waterproof, wear-resistant high-density board, strong structure, beautiful appearance.

3. Training project
(1) Electrician basic skills training
(1) Basic principle of DC circuit
1. The use of electrical instruments and the calculation of measurement errors
2. Methods of reducing instrument measurement errors
3. Voltammetry resistance
4. Measurement of external characteristics of power supply
5. Series and parallel connection of resistors
6. Working principle of ammeter
7. Working principle of voltmeter
8. How an ohmmeter works
9. Ohm's Law
10. Reciprocity theorem
11. Zavinan's Theorem
12. Norton's theorem 13. Wheatstone Bridge
14. Conditions for the load to obtain maximum power
15. The relationship between resistance and temperature:
Use voltammetry to find out the resistance of the filament under different voltages
16. Kirchhoff's first law
17. Kirchhoff's second law
18. Measurement of electric potential in circuit
19. Law of superposition
20. Stair switch control in two places
twenty one. Voltage controlled current source
twenty two. Voltage control voltage source
(2) Basic principles of AC and magnetic circuit
1. Series-parallel circuit
2. Capacitor series-parallel hybrid circuit
3. The role of capacitor C in AC and DC
4. Single-phase AC circuit
5. Fluorescent lamp circuit connection
6. Ways to improve power factor
7. Measurement of AC circuit parameters
8. Characteristics of RLC components in sinusoidal AC circuits
9. Principle of welding transformer
10. Transformer no-load test
11. Transformer load test
12. Principle of AC Transformer
13. Principle of voltage transformer
14. Reverse connection of magnetic coupling coil
15. Sequence connection of magnetic coupling coil 16. Three-phase load star connection
17. Three-phase load delta connection
18. Equivalent interchange of star and delta circuits
19. Star and triangle interchange
20. Resonance circuit
twenty one. RC frequency selection network
twenty two. The transition process of the first-order RC circuit
twenty three. The transition process of the first-order RL circuit
twenty four. Response of second-order circuit
25. RL series circuit
26. RC series circuit
27. RCL parallel circuit
28. The role of inductance in AC and DC
29. Self-inductance phenomenon
(2) Electronic technology training
(1) Basic skills training of analog circuits
1. The forward characteristic of the diode
2. Reverse characteristic of diode
3. Diode switching characteristics
4. Diode clamp
5. Diode limiter
6. Transistor input and output characteristics
7. Triode basic amplifier
8. Triode limiter
9. Constant voltage source circuit
10. Constant current source circuit
11. Triode switching characteristics
12. Triode practical circuit
13. Low frequency small signal amplifier
14. Load single pole small signal voltage amplification
15. Voltage negative feedback bias circuit
16. Series current negative feedback circuit
17. Series voltage negative feedback circuit
18. Parallel voltage negative feedback circuit
19. Parallel current negative feedback circuit
20. Emitter output circuit
twenty one. Autonomous emitter output circuit
twenty two. Use resistance to increase emitter potential
twenty three. Use Zener Tube to Increase Emitter Potential
twenty four. Use negative feedback to eliminate self-oscillation
25. Single tube small signal amplifier
26. Two-tube bipolar amplifier
27. Junction effect tube amplifier
28. Field effect transistor voltage dividing type self-biasing circuit
29. Attenuate high frequency voltage with capacitors
30. Emitter follower
31. Differential amplifier
32. Long tail differential amplifier
33. Differential input single-ended output
34. OTL complementary symmetrical amplifier
35. OTL power amplifier
36. Differential input operational amplifier
37. RC phase shift oscillator
38. PC bridge oscillator
39. Inductive oscillator
40. Quartz crystal oscillator
41. Capacitive three-point oscillator
42. Transformer feedback oscillator
43. Double T frequency selective network
44. Rectangular wave oscillator
45. Sawtooth oscillator
46. Sine wave oscillator
47. Audio oscillator
48. Sine wave and cosine wave oscillator 49. Basic circuit of differential amplifier
50. Constant current source differential amplifier
51. Dual supply differential amplifier
52. Single-ended input Single-ended output
53. Differential input double-ended output
54. Constant voltage source Constant current source
55. Three-tube OTL complementary symmetrical amplifier
56. Four-tube OTL complementary push-pull power amplifier
57. Integrated power amplifier
58. The volt-ampere characteristics of the diode
59. Capacitor blocking characteristics
60. Basic amplification principle of triode
61. Common base circuit
62. Common emitter circuit
63. Common collector circuit
64. Voltage divider current negative feedback bias circuit
65. Use thermistor to stabilize the operating point
66. Diode stable operating point
67. Common source amplifier circuit
68. Common drain amplifier circuit
69. Common gate amplifier circuit
70. Non-inverting operational amplifier
71. Non-inverting input protection measures
72. Basic in-phase operation circuit
73. Basic circuit of inversion operation
74. Inverting input protection measures
75. In-phase input sum operation
76. Double-ended input sum operation
77. Inverting input sum operation
78. Simple zero-crossing comparison circuit
79. Double limit comparison circuit
80. Basic bandpass filter circuit
81. Rectangular wave oscillator
82. Transformer rectifier filter circuit
83. Bridge rectifier voltage regulator circuit
84. Voltage doubler rectifier
85. Three-terminal integrated voltage regulator
86. Three-terminal adjustable integrated voltage regulator
87. Electronic filter
88. Continuously adjustable regulated power supply
89. Stabilized power supply soft start
90. Resistor-capacitor diode storage and transmission thyristor
91. Electronic voltage regulator
92. Thyristor trigger circuit
93. Stabilized power supply with amplifying link
94. Parallel regulated power supply
95. Series regulated power supply
(2) Basic skills training of digital circuits
1. Parameter test of TTL integrated logic gate
2. Parameter test of CMOS logic gate
3. Application of TTL integrated electrode open-circuit gate and three-state output gate
4. AND, NOT, OR, NAND gate circuit experiment
5. Half adder circuit implementation
6. Full adder circuit experiment
7. RS trigger experiment
8. D flip-flop experiment
9. JK trigger experiment
10. T flip-flop experiment
11. JK type flip-flop converted to D flip-flop
12. D-type flip-flop converted to JK flip-flop
13. Counter experiment
14. MSI shift register and its application
15. Decoder and its conversion method 16. MSI data selector and logic design
17. Differential monostable circuit
18. Ring multivibrator
19. Use gate circuits to form encoders, distributors, and selectors
20. One of the design of combinational circuit: code conversion
twenty one. Combination circuit design two one display circuit
twenty two. Design of synchronous sequential circuit
twenty three. Design of Computer Sequential Circuit
twenty four. Integrated timer test and application
25. CMOS integrated A/D, D/A conversion circuit experiment
26. Diode NOT gate, NOR gate circuit
27. Triode not gate, NAND gate, NOR gate circuit
28. Asynchronous Decimal Subtraction Counter
29. Asynchronous decimal addition counter
30. Comprehensive ability training experiment-electronic stopwatch
(3) Comprehensive circuit training
1. Temperature control circuit
2. Automatic opening and closing circuit of exhaust fan
3. Light control circuit
4. Light control circuit switch
5. Flight lights
6. Music doorbell circuit 7. Electronic doorbell circuit
8. Electronic alarm
9. Music alarm
10. flash
11. Household lamp dimming circuit