Vocational Electrical and Electronics Technology Lab Vocational Training Experiments for School

Brief introduction

The experimental device absorbs the advantages of domestic and foreign advanced teaching equipment. It takes full account of the laboratory's current status and future trends and makes the innovation in performance and structure. It uses hanging box. All experimental instruments have the digital display. All the power and instruments used in the experiments have reliable protection. At the same time it set up a reliable safety protection system. Its superior performance is the best choice of the major colleges’laboratory construction.

Applications  

It is applicable to major colleges’ experiment teaching like electrician basis, electrical engineering, digital circuit, mode voltage, motor learning, motor and power drag, motor control, relay contactor control. Also the programmable controller experiment, the motor inverter control experiment and so on can be expanded.

Technical parameter

1. Dimension: 1500x600x1450mm
2. Working power: AC 3-phase four lines 380±5% 50HZ
3. Input power: <1.5KVA
4. Output AC power: 3-phase four line 380V, single-phase 0--250V continuous and adjustable with Voltage Meter indication
5. Personal safety protection features: current leakage protection, voltage leakage protection and experiment lead against electric shock.

Experimental equipment configuration

1. The experimental table: wood and steel structure, iron spray, wear fire panel, with drawers and cabinets used to store tools, accessories.
2. The power control panel: contains post DC digital voltage and current power factor meter, two DC regulated power supply; constant current source, signal source, three-phase AC power supply, single-phase power and AC low voltage power supply.
3. Experimental hanging box: Electrical Engineering Laboratory hanging box four, an analog electronic experimental hanging box, a digital electronic experiments linked to me, the electric drive experiments linked to me two.
4. 180-watt three-phase asynchronous motor: star / delta connection; aluminum alloy shell.
5. 1 set of test leads, experiment instructions manual.

Experiment contents 

Basic experiments:

Experiment 1  Use of basic electrical instrumentation and calculation of measurement error
Experiment 2  Methods of reducing errors of instrument measurement
Experiment 3  Surveying and mapping of Volt-ampere characteristics of circuit elements
Experiment 4  Measurement of potential and voltage and drawing of circuit potential
Experiment 5  Validation of Kirchhoff's Law
Experiment 6  Verification of superposition principle
Experiment 7  Equivalent transform of voltage source and current source
Experiment 8  Verification of Thevenin's theorem and Norton theorems
Experiment 9  Determination of maximum power transfer conditions
Experiment 10  Experimental study of controlled source VCVS, VCCS, CCVS, CCCS
Experiment 11  Observation and measurement of the typical electric signal
Experiment 12  Response test of first-order RC circuit
Experiment 13  Study the response of second-order dynamic circuits
Experiment 14  Impedance characteristics measurement of  R, L, C element
Experiment 15  Measuring circuit equivalent parameters by Three-meter Method
Experiment 16   Phasor research of Sinusoidal steady state  AC circuit
Experiment 17  Characteristic test for RC frequency selective network
Experiment 18  Research of R, L, C series resonant circuit
Experiment 19  Two-port network testing
Experiment 20  Negative impedance converter
Experiment 21  Gyrator
Experiment 22  Observation of mutual inductance circuit
Experiment 23  Characteristics test of Single-phase transformer core
Experiment 24  Voltage & current measurement of Three-phase AC circuit
Experiment 25  Power measurement of Three-phase circuit
Experiment 26  Calibration of single-phase meter
Experiment 27  Measurement of power factor and phase sequence

Analog circuit experiment:

Experiment 1    Common emitter transistor single-tube amplifier 
Experiment 2    FET amplifier
Experiment 3    Negative feedback amplifier
Experiment 4    Emitter follower
Experiment 5    Differential amplifier
Experiment 6    Integrated operational amplifier index test
Experiment 7    The basic application integrated operational amplifier (â… ) 
Experiment 8    The basic application integrated operational amplifier（Ⅱ）
Experiment 9    The basic application integrated operational amplifier（Ⅲ）
Experiment 10   Basic Application of Integrated Operational Amplifier（Ⅳ）
Experiment 11   Low Frequency Power Amplifier（Ⅰ）
Experiment 12   Low Frequency Power Amplifier（Ⅱ）
Experiment 13   RC Sinusoidal oscillator
Experiment 14   LC Sinusoidal oscillator
Experiment 15   Assembly and debugging of Function Generator
Experiment 16   Voltage - frequency conversion circuit
Experiment 17   Regulated DC power supply（Ⅰ）
Experiment 18   Regulated DC power supply（Ⅱ）
Experiment 19   Thyristor Controlled Rectifier

Digital circuit experiment: