The "Solar Power Generation Teaching Experiment Platform" consists of solar cell module, battery module, controller module, load regulation control module, monitoring instrument module, PC monitoring module, and other parts.
1、 Main technical specifications: Solar Photovoltaic Internship Teaching Module
1. System specifications
◆ Maximum system voltage: 21.5V
◆ Maximum system current: 2A
◆ Maximum system power: 25W
2. Solar cell specification: monocrystalline silicon solar cell
Component size (L * W * H): 621 * 281 * 28mm
◆ Best power: 20W
◆ Optimal working voltage: 17.05 ± 0.5V
◆ Optimal working current: 1.20 ± 0 10A，
Short circuit current: 1.34 ± 0 10A，
◆ Open circuit voltage: 21 0±0. 5V
3. Solar controller specifications:
3.1. Optoelectronic controller:
Rated voltage: 12V, rated current is 10A, equipped with lead-acid battery, load is 12V DC load below 100W, one channel of the control unit is light controlled output, and the other channel is multi class timed output.
3.2. Household controllers:
Rated voltage: 12V, maximum photovoltaic cell power: 60W, maximum load current: 5A, overdischarge voltage: 11 0±0. 5. Battery overcharge, overdischarge protection, battery open circuit protection, load overvoltage protection, night anti reverse charging protection, output short circuit protection, battery reverse connection protection, undervoltage and overvoltage anti oscillation protection, balanced charging, temperature compensation, and light controlled switch.
4. Meter specifications:
◆ Ammeter: X 3, 2A, display mode: 0 5 'LCD display
◆ Voltage meter: X 3, 20V, display mode: 0 5 'LCD display
◆ Temperature gauge: X 1, 0-99 9 ℃
5. Load:
Fan: X 1, rated voltage: 12V, working current: 0.25A, power: 3W
Traffic lights: 2 sets (R, G, B), rated voltage: 12V, working current: 0.25A, power: 3W
◆ LED lights: 1 set (7 pieces)
◆ Buzzer: X 1
◆ Motor: X 1, rated voltage: 12V, working current: 0 2 5A， Power: 3W
◆ Switch: X 1
◆ Button: X 1
6. Battery:
Valve regulated sealed lead-acid battery, rated voltage: 12V, rated capacity (20hr): 3.3Ah, charging method (constant voltage), cycle: maximum charging current is 825mA
7. Resistors:
Variable resistor, with a resistance value adjustment range of 0-1k Ω
◆ DC/DC: 5 DC/DC power modules
◆ Provide DC to AC module
◆ Support external PC computer measurement of solar cell I-V characteristic curve (VB software or LabView)
8. System external dimensions; Length 1100 X Width 780 X Thickness 120 (mm) Flat feet 40X40X500 (mm) with roller for easy pushing to outdoor teaching.
9. Solar cell adjustment aluminum alloy bracket
The maximum working height is 1695 mm, the minimum working height is 455 mm, the load-bearing capacity is g kg, the net weight is 1.8 kg, the maximum pipe diameter is 26 mm, and the shrinkage height is 620 mm
2、 Experimental content of the solar photovoltaic internship teaching module:
Experiment 1: Principle Experiment of Solar Cell Power Generation
Experiment 1-1 Energy Conversion Experiment of Solar Photovoltaic Panel
Experiment 1-2: Influence of Environment on Optoelectronic Conversion Experiment
Experiment 2: Direct Load Experiment of Solar Cell Photovoltaic System
Experiment 3: Power Generation Experiment of Optoelectronic Control Solar Energy System
Experiment 3-1 Working principle experiment of photoelectric control unit
Experiment 3-2 Charge discharge protection experiment of photoelectric control unit
Experiment 4: Solar Power Generation and Utilization Experiment for Residential Use
Experiment 4-1 Working principle of the layout control unit
Experiment 4-2 Charge and discharge protection experiment of the control unit for the layout of the house
Experiment 5: Electrical Load Test of Solar Energy System
Experiment 6: Comprehensive Experiment
Experiment 7: Basic Characteristics Testing Experiment of Solar Cells
Experiment 8: External Expansion of DC to AC External Electrical Appliances Experiment
Experiment 9: Single Crystal Solar I-V Characteristic Curve Experiment
3、 Equipment configuration: