Integrating advantages of advanced domestic and international teaching instruments, it features innovative structure, orderly hanging box design and high-precision digital display. Equipped with comprehensive power and personal safety protection, it’s ideal for university labs, supporting electrical, electronic and electric drive course experiments, with PLC and motor frequency conversion expansion available.

1. Comprehensive: Integrates all current basic electrical experimental projects in domestic schools.
2. High Adaptability: Flexible adjustment of experiment depth/breadth, modular design for easy replacement, expansion and new experiment development.
3. Full Configuration: Complete with instruments, dedicated power supplies and connection cables, fully matching experimental requirements.
4. High Consistency: Reasonably selected components ensure consistent experimental results across groups, facilitating teaching organization.
5. Intuitive Operation: Combined unit and hanging component design, clear power/instrument layout, simple operation and maintenance.

1. Dimensions: 160x70x160cm
2. Power Supply: AC three-phase, four-wire, 380V ±5%, 50Hz
3. Input Power: <1.5kVA
4. Output AC Power: Three-phase, four-wire, 380V.
5. Personal Safety Protection: Current-type leakage protection, voltage-type leakage protection, and anti-electric shock test leads.
6. DC Regulated Power Supply: Two 0-30V continuously adjustable voltages, automatic relay shifting, digital meter display, automatic overload protection, indication, and automatic recovery functions.
7. Constant Current Source:0-200mA continuously adjustable,digital meter display, open circuit protection.
8. Timer and Alarm Recorder: The power control panel is equipped with a timer and alarm recorder, which allows for setting the test time and recording the number of alarms.

1. Use of Basic Electrical Instruments and Calculation of Measurement Errors
2. Methods for Reducing Instrument Measurement Errors
3. Ohm's Law
4. Series and Parallel Circuits of Resistors
5. Mixed Circuits of Resistors
6. Measurement of Potential in Circuits
7. Kirchhoff's Laws
8. Superposition Principle
9. Equivalent Transformation between Voltage Source and Current Source
10. Thevenin's Theorem and Norton's Theorem
11. Conditions for Maximum Power Supply to a Load
12. Troubleshooting DC Resistance Circuits
13. Reciprocity Theorem
14. Plotting the Volt-Imperature Characteristics of Known and Unknown Circuit Components
15. Instrument Range Extension
16. Series and Parallel Circuits of Capacitors
17. Capacitor Charging and Discharging Circuits
18. Observation and Measurement of Typical Electrical Signals
19. Two-Port Network Testing
20. Response Testing of First-Order RC Circuits
21. Study of Second-Order Dynamic Circuit Responses
22. Observation of Mutual Inductance Circuits
23. Study of R, L, and C Series Resonant Circuits
24. RLC Series and Parallel AC Circuits
25. Characteristics of Inductors and Capacitors in DC and Sinusoidal AC Circuits
26. Connection of Fluorescent Lamp Circuits and Improvement of Power Factor
27. Measurement of Power Factor and Phase Sequence
28. Star Connection of Three-Phase Loads
29. Delta Connection of Three-Phase Loads
30. Measurement of Power in Three-Phase Circuits
31. Testing the Characteristics of Single-Phase Iron-Core Transformers
32. Installation and Use of Single-Phase Watt-Hour Meters
33. 3. Use of Three-Phase Squirrel Cage Asynchronous Motors
34. Inching and Self-Lock Control of Three-Phase Squirrel Cage Asynchronous Motors
35. Forward and Reverse Control of Three-Phase Squirrel Cage Asynchronous Motors

1. Use of Common Electronic Instruments
2. Transistor Common Emitter Single-Tube Amplifier
3. Field-Effect Transistor Amplifier
4. Negative Feedback Amplifier
5. Emitter Follower
6. Differential Amplifier
7. Integrated Operational Amplifier Specification Test
8. Basic Applications of Integrated Operational Amplifiers (I) - Analog Operational Circuits
9. Basic Applications of Integrated Operational Amplifiers (II) - Active Filters
10. Basic Applications of Integrated Operational Amplifiers (III) - Voltage Comparators
11. 1. Basic Applications of Integrated Operational Amplifiers (IV) - Waveform Generators
12. RC Sine Wave Oscillator
13. Voltage-Controlled Oscillator
14. Low-Frequency Power Amplifier (I) - OTL Power Amplifier
15. DC Regulated Power Supply (I) Series Transistor Regulated Power Supply
16. DC Regulated Power Supply (II) - Integrated Regulated =Voltage transformer
17. Thyristor controlled rectifier circuit
18. Appendix I: Oscilloscope principle and use
19. Appendix II: Testing common electronic components with a multimeter
20. Appendix Ш: Resistor nominal value and precision color ring marking method
21. Appendix IV: Amplifier interference, noise suppression, and self-oscillation elimination

1. Gate circuit logic function and testing
2. Combinational logic circuit (half adder, full adder, and logical operation)
3. Trigger (I) R-S, D, J-K
4. Three-state output flip-flop and latch
5. Timing circuit testing and research
6. Integrated counter and register
7. Decoder and data selector
8. Waveform generation and monostable flip-flop
9. 555 time base circuit
10. Appendix: Some integrated circuit series

1. Contactor Point-and-Stay Control Circuit
2. Contactor self-locking control circuit
3. Inching control and self-locking control circuit
4. Contactor interlock forward/reverse control circuit
5. Push-button interlock forward/reverse control circuit
6. Push-button and contactor dual interlock forward/reverse control circuit
7. Start sequence control circuit (I)
8. Start sequence control circuit (II)
9. Stop sequence control circuit
10. Two-point control circuit
11. Manual contactor-controlled series resistor voltage reduction starting circuit
12. Time relay-controlled series resistor voltage reduction starting circuit
13. Contactor-controlled Y-Δ voltage reduction starting circuit
14. Time relay-controlled Y-Δ voltage reduction starting circuit
15. Asynchronous motor dynamic braking control circuit
16. Electrical control of the C620 lathe