GLDG-1 electrical and electronic experimental platform

Ⅰ、Overview

GLDG-1electrical and electronic experimental platform is a new generation of experimental equipment that emphasizes both experiment and management, practicality and advancement. The overall appearance of the equipment is beautiful and the structure is compact. Through the cooperation of various experimental modules, it can complete the experiments of multiple courses such as "Electrical Fundamentals", "Electrical Technology", "Analog Electronic Technology", and "Digital Electronic Technology". This electrical and electronic experimental bench fully meets the needs of the above subject teaching outlines.

Ⅱ、Technical conditions

1. Working power supply: three-phase four-wire (or three-phase five-wire) 380V±5%, frequency 50HZ

2. Input power: 1.5KVA

3. GLDG-1 electrical and electronic experimental platform dimensions: 1560mm*700mm*1500mm

4. Insulation resistance: ＞5MΩ

5. Protection measures: reliable life safety protection system

Ⅲ、System configuration

1. GDS components

DC adjustable voltage and current regulated power supply

Output 0~30V adjustable voltage regulated power supply with short-circuit protection and output digital display function. Output 0~500mA current regulated power supply. It has open circuit protection, steady current indication and output current display functions.

2. Fully intelligent function signal generator

Output three waveforms: sine wave, square wave and triangle wave. Output frequency range 1HZ-1MHZ. Output amplitude 0~20Vp~P. It has conventional output signal, 20db/40db attenuation and scanning functions. It adopts the principle of equal precision digital frequency testing and has external frequency measurement function. Frequency range: 1HZ~10MHZ.

3. DC power supply, voltmeter

Intelligent DC voltage and current meter. Four-digit floating point display measurement value. Internal range automatic switching, voltage range: 0~250V; current range: 0~5A, measurement accuracy is better than 0.5 level. It has over-range alarm and computer communication functions.

4. Multifunctional AC meter

Provides two intelligent multifunctional AC meters. Voltage range 0~500V; current range: 0~A. It has the function of measuring voltage, current, power, power factor and phase, with effective value measurement and digital display. Accuracy 0.5 level.

IV、Experimental projects

1. Basic electrical engineering training projects

(1) Use of basic electrical instruments and calculation of measurement errors

(2) Methods to reduce instrument measurement errors

(3) Ohm's law

(4) Verification of superposition principle and fault diagnosis

(5) Verification of Kirchhoff's voltage and current laws and fault diagnosis

(6) Verification of Thevenin's theorem and fault diagnosis

(7) Verification of Norton's theorem and fault diagnosis

(8) Equivalent transformation of voltage source and current source

(9) Inspection of DC resistance circuit faults

(10) Homogeneity theorem

(11) Substitution theorem

(12) Charging and discharging of capacitors

(13) Maximum power transfer Condition determination

(14) Study of reciprocity theorem

(15) Study of linear passive two-port network

(16) Determination of potential voltage and drawing of circuit potential diagram

(17) Measurement and mapping of volt-ampere characteristics of known linear and nonlinear circuit elements

(18) Measurement and mapping of volt-ampere characteristics of unknown linear and nonlinear circuit elements

(19) Response of first-order RC circuit

(20) Study of second-order dynamic circuit response

(21) Study of RLC series resonant circuit

(22) Test of impedance characteristics of RLC elements

(23) RLC series AC circuit and parallel AC circuit

(24) LC elements in DC circuit and AC circuit Characteristics of the circuit

(25) Connection of fluorescent lamp circuit and improvement of power factor

(26) Measurement of power factor and phase sequence

(27) Measurement of equivalent parameters of AC circuit using three-meter method

(28) Measurement of voltage of three-phase AC circuit

(29) Measurement of current of three-phase AC circuit

(30) Measurement of power of three-phase circuit

(31) Determination of parameters of single-phase transformer and identification of winding polarity

(32) Mutually inductance coupling circuit

(33) Determination of the same-name end of the mutual inductance coil

(34) Installation and use of single-phase watt-hour meter

2. Simulation circuit training project

(1) Use of common electronic instruments

(2) Determination of crystal diode Identification and detection

(3) Identification and detection of crystal triodes

(4) Transistor common emitter single tube amplifier

(5) Field effect tube amplifier circuit

(6) Negative feedback amplifier circuit

(7) Differential amplifier circuit

(8) Emitter follower

(9) Common collector amplifier

(10) Common base amplifier

(11) Two-stage resistor-capacitor coupled amplifier

(12) Basic connection of operational amplifiers

(13) Integrated operational amplifier in-phase proportional amplifier

(14) Integrated operational amplifier inverting proportional amplifier

(15) Integrated operational amplifier addition circuit

(16) Integrated operational amplifier subtraction circuit

(17) Integrated operational amplifier integration circuit

(18) Integrated Op amp differential circuit

(19) Voltage follower

(20) Voltage comparator

(21) RC bridge sine wave oscillator

(22) Square wave generator

(23) Triangle wave generator

(24) Sawtooth wave generator

(25) Zero-crossing comparator

(26) Window comparator

(27) Zero adjustment circuit of integrated op amp

(28) Protection circuit for wrong power polarity connection

(29) Input limit protection circuit

(30) Output limit protection circuit

(31) OTL power amplifier

(32) RC sine wave oscillator and frequency selection amplifier

(33) Thyristor controlled rectifier circuit

(34) Single-phase half =Single-phase full-wave rectification and filtering circuit

(35) Single-phase full-wave rectification and filtering circuit

(36) Single-phase bridge rectification and filtering circuit

(37) Zener diode voltage regulator circuit and its voltage regulation principle

(38) Three-terminal integrated fixed voltage regulator

(39) Positive power supply output adjustable integrated voltage regulator

(40) Series transistor voltage regulator circuit

3. Digital circuit training projects

(1) Crystal diode switching characteristics

(2) Crystal transistor switching characteristics

(3) Diode limiter

(4) Transistor limiter

(5) Diode clamper

(6) TTL integrated logic gate

(7) Integrated AND gate logic function test

(8) Integrated NOT gate circuit logic function test

(9) Integrated OR gate circuit logic function test

(10) Integrated NAND gate logic function test

(11) CMOS gate circuit test

(12) TTL circuit and CMOS circuit output characteristic test

(13) Integrated logic circuit connection and drive

(14) Combinational logic circuit

(15) Half adder

(16) Full adder

(17) Decoder

(18) Decoder logic function test

(19) Data selector logic function test

(20) Four-to-one data selector

(21) Eight-to-one data selector

(22) Integrated trigger logic function Test

(23) Basic RS flip-flop

(24) JK flip-flop

(25) D flip-flop

(26) CMOS flip-flop

(27) Counting, decoding and display

(28) Counter and its application

(29) Logical function test of decimal reversible counter

(30) Binary adder counter

(31) Decimal adder counter

(32) Test the logical function of shift register

(33) Shift register and its application

(34) Pulse distributor and its application

(35) 555 time base circuit

(36) Monostable flip-flop

(37) Multivibrator

(38) Schmitt trigger

Synchronous PC version:

GLDG-1 electrical and electronic experimental platform  https://www.biisun.com/home/category/detail/id/160.html