DYXNY-20 Solar Photovoltaic Power Generation Training Platform
Release time：2024-07-04 20:30viewed：times
M*n features of the product:
This tr*ning platform consists of three parts: a dual-axis tracking system, a test bench , and a test table. The m*n functional modules include solar cell module array, multifunctional dual-axis tracking system, analog light source control system, 8-inch touch screen monitoring system, 16X128LED Chinese character dot matrix system, environmental monitoring system, digital display solar charge and discharge controller, m*ntenance-free brand lead-acid battery, single-phase off-grid inverter system, single-phase grid-connected inverter system, dual-channel DC constant voltage, constant current power supply, solar AC and DC load system, etc. Each system adopts modular design.
The whole set of tr*ning equipment adopts steel frame, the panel writing is clear and concise, and the shape is simple and beautiful;
each system is modularized and openly designed, and branded bold tr*ning wires are used for various photovolt*c tr*ning, which improves students' hands-on ability and tr*ning speed;
the multifunctional dual-axis tracking system adopts four-quadrant photoelectric sensor control, which can realize manual, automatic and remote control of the tracking system;
4 industrial solar panels are used, which can be combined in series and parallel to imitate the formation of large industrial photovolt*c power generation systems;
the indoor P3.0 red Chinese character dot matrix module is used to form the Chinese character display system, which strengthens students' learning and understanding of single-chip microcomputer
dot matrix control; all interfaces of the 8-inch touch screen monitoring system are open to facilitate customers' secondary development and upgrading of products;
a rich external solar LED load product enables students to understand the application of photovolt*c industry;
a dual-channel constant voltage and constant current power supply is used to facilitate the testing of various parameters of the solar controller;
the m*n technical parameters of the photovolt*c power generation tr*ning platform
1. Dual-axis tracking system
1. Solar panel:
It m*nly adopts 4 small solar panels array assembly form, which can realize the parallel and series connection of solar panels, and then provide two charging methods of high current or high voltage. The m*n technical parameters of each unit are as follows:
Maximum output power: 10W Open circuit voltage: 21.6V
Short circuit current: 0.61A Working voltage: 17.5V
Working current: 0.56A Maximum system voltage: 1000V
Dimensions: 350×290×15MM Weight: 1.3KG
2. Dual-axis tracking system unit
The dual-axis tracking is m*nly composed of AC motor or DC stepping motor with a reduction mechanism . The control method has three working modes: manual, automatic, and remote control. The functions of various operation modes are as follows:
Manual mode: the solar panels on the dual-axis tracking system can be controlled in four directions: upward (south), downward (north), left (west), and right (east), among which the upper and lower directions are interlocked, and the left and right directions are interlocked;
Automatic mode: through the control of the motor by the photoelectric sensor and the single-chip circuit, the solar panel is always facing the strongest light source (similar to a sunflower), so that the output power of the solar panel is maximized. This function is widely used in industry;
Remote control mode: the solar panels on the dual-axis tracking system can be controlled in four directions: upward (south), downward (north), left (west), and right (east), among which the upper and lower directions are interlocked, and the left and right directions are interlocked; the remote control distance is generally within 15 meters;
Tracking angle and accuracy:
1) Accuracy: ±0.5°
2) Horizontal rotation angle: 0-360° (angle adjustable)
3) Pitch angle: 0-90° (angle adjustable)
3. Simulation light source: outdoor high-power floodlights with a spectrum range closest to sunlight are used. Through the control of the light source by the circuit, it is convenient to test various parameters of solar panels indoors; the entire dual-axis tracking is built with heavy industrial aluminum profiles, with a novel and fashionable appearance and simple and practical shape. The unique LED Chinese character dot matrix module reserves a program download interface for easy learning and secondary development.
2. Technical parameters of the experimental bench:
the entire experimental bench adopts a steel and wood structure, and the panel writing is clear and clear at a glance.
1. LED Chinese character dot matrix: It is cascaded with two P3.0 indoor red 16×64LED dot matrix modules, and a program download interface is reserved for secondary development.
2. Indoor environment monitoring: The LCD screen displays indoor environmental temperature, humidity, and clock. It is convenient to grasp the environment and time, and the alarm time can be set.
3. Monitoring system: The 8-inch industrial touch screen monitors all voltages, currents, power, frequencies, data, and dynamic curves in real time and displays and stores them; the monitoring system opens all interfaces for secondary upgrade development;
4. Data display system: Six independent intellectual property intelligent digital display communication instruments display AC and DC voltage and current data in real time. And cooperate with the data acquisition system to display all data on the touch screen or computer. In order to achieve the purpose of remote monitoring and control;
5. Key switch control system: domestic brand button switches and independent intellectual property control circuits are selected to complete the control of analog light sources and dual-axis tracking systems; each function has a corresponding indicator light;
6. Controller: A dual-system digital display solar charge and discharge controller is selected to complete the tr*ning of different system voltages. It has a complete protection system and rich menu setting functions and multiple control modes, which are not comparable to traditional controllers.
Display function: The four-digit digital tube displays voltage, current and other data; it can display battery voltage, charging current, load A current, and load B current.
Key function: The buttons can switch various functions or set and modify various parameters; it has the function of automatic system recognition;
interface function: the eight-bit terminal block is connected to the battery, solar panel, load A and load B respectively; there is also a USB output;
Parameter setting and adjustment function: suitable for different types of batteries. And various parameters can be set. Over-discharge voltage is adjustable, over-charge voltage is adjustable, over-discharge return voltage is adjustable, two-way load output current is adjustable, two-way load light control timing time is adjustable, two-way load working mode is adjustable;
system voltage: 12V, 24V automatic identification; charging and discharging current is 0-10A;
protection function: with perfect over-voltage, over-current, anti-reverse connection, overheating and other protection functions;
7. Battery pack: domestic brand lead-acid m*ntenance-free battery pack is adopted, one more group is added than the previous traditional experimental bench, which is convenient for the development of dual-system practical tr*ning content. The capacity of each battery group is 12V, 12AH;
8. Single-phase off-grid inverter: single-phase pure sine wave inverter (not square wave inverter) is adopted, with perfect protection function, the m*n parameters are as follows:
DC input voltage: DC10.5-15V; no-load current: <0.5%;
conversion efficiency: >85%;
output voltage: AC220V±5%
rated power: 150W; Instantaneous power: 300WOutput
waveform: pure sine wave; Output frequency: 50HZProtection
function: input protection ag*nst reverse connection, overload, overvoltage, overheating, short circuit, etc.Low voltage
alarm: DC10V±0.5V; Low voltage shutdown: DC9.5V±0.5V;
High voltage alarm: DC14.4V±0.5V; High voltage shutdown: DC15.5V±0.5V;
9. Single-phase grid-connected inverter: The grid-connected inverter that can be connected to the single-phase m*ns is used to increase the understanding of the grid-connected indication. The m*n parameters are as follows:
DC input voltage: DC10.5-28V; Maximum input voltage: <DC30.2V
Maximum output power factor: 99%;
Output voltage: AC180V-AC260V;
Output frequency: 45-53HZ
Island protection effect: Yes
MPPT function: Yes
Protection function: Input protection ag*nst reverse connection, overload, overvoltage, overheating, short circuit, etc.
Total harmonic distortion of output current: <5%
10. Dual-channel constant voltage and constant current power supply: Provide two DC0-30V, 0-5A constant voltage and constant current power supplies to facilitate testing of various parameters of the controller.
11. Load unit: Provide a wealth of on-machine AC and DC inductive loads and AC and DC resistive loads to facilitate students' understanding of the application of solar energy new energy industry.
AC and DC loads include the following:
Inductive loads: DC12V fan, DC24V fan, AC220V fan;
Resistive loads: DC12VLED lamp, DC24VLED lamp, AC220VLED lamp;
General loads: 28WLED garden lamp, four sets of replaceable screw lamp holder loads, 10 ohm-99.99K variable resistor box;
Solar traffic flashing lights, LED rotating clocks, solar traffic lights, solar automatic pumping models , etc.
Electricity meters: Two mechanical electricity meters cooperate with off-grid and grid-connected inverters to measure power generation and power consumption;
12. Virtual simulation software for electrical installation of buildings and intelligent buildings Based on unity3d design, users can choose different sizes of interactive interfaces according to computer configurations, and can choose six levels of image quality. The models in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, the contents are as follows: A. Wet alarm system 1. System overview: Overview of wet alarm system 2. Equipment recognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (built-in 6 multiple-choice questions, with prompts for correct and wrong choices), and schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: sprinklers, water flow indicators, signal butterfly valves, exhaust valves, fire alarm controls, high-pressure gauges, high-level water tanks, Wia control cabinets, pressure-stabilizing tanks, flow switches, terminal water testing devices, dr*nage facilities, water pump connectors, hydraulic alarms, time delays, wet alarms, butterfly valves, check valves, fire pumps, safety pressure-stabilizing valves, and fire water tanks. 3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, and semi-transparent 3D models, so that the internal water flow can be seen. Equipped with practice module (4 multiple-choice questions built in, with prompts for correct and wrong choices) 4. Design layout: There are multiple-choice questions and calculation questions, each with scores, and the correct answer and score will be displayed after submission B. Gas fire extinguishing system 1. System overview: Overview of gas fire extinguishing system 2. Equipment cognition: There are optimal viewing angles, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (8 built-in multiple-choice questions, with prompts for correct and wrong choices), and schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: nozzles, HFC-227 storage bottles, bottle head valves, heptafluoropropane check valves, high-pressure hoses, gas check valves, safety valves, weighing alarms, electromagnetic starters, selector valves, smoke alarms, and fire alarm controllers. 3. Principle display: Display the working principle of the gas fire extinguishing system, 3D animation demonstration, and semi-transparent 3D models to see the internal gas. Equipped with practice module (3 built-in multiple-choice questions, with prompts for correct and wrong choices) 4. Design layout: There are 6 multiple-choice questions, each with scores, and the correct answer and score will be displayed after submission
C. Escape drill: Teaching is conducted in the form of a fun game. Players must escape from the burning room within a limited time. If they make a mistake, they will directly enter the score interface.
3. The m*n parameters of the photovolt*c power generation tr*ning platform are as follows:
1. The m*n technical parameters of the tr*ning platform
: Power supply: AC220V±10%, 50HZ;
Power supply: ≤1KW;
Safety protection: Action current ≤30mA, Action time ≤0.1s
Working environment: Temperature -10℃～+40℃ Relative humidity <85% (25℃) Altitude <4000m
Dimensions (length × width × height): 120×25×80CM
Weight: about 45KG
2. The m*n parameters of the dual-axis tracking system:
Dimensions (length × width × height): 1.2×0.85×1.8 meters;
Weight: about 35KG;
3. The m*n parameters of the experimental table:
Dimensions (length × width × height): 1.66×0.85×1.0 meters;
Weight: about 40KG;
4. The tr*ning content that can be completed is as follows:
Experiment 1, Solar panel characteristics experiment series
Solar panel open circuit voltage test experiment
Solar panel short circuit current test
experiment Panel IV characteristic test experiment
Panel maximum output power calculation experiment
Panel fill factor calculation experiment
Panel conversion efficiency measurement experiment
Open circuit voltage and relative light intensity function relationship
Short circuit current and relative light intensity function relationship
Panel PV characteristic test experiment
Panel dark volt-ampere characteristic test experiment
Component output characteristic test experiment
Test of the effect of series resistance on fill factor Test of
the effect of parallel resistance on fill factor
Battery spectrum characteristic test experiment
Panel series open circuit voltage test experiment
Panel series short circuit current test experiment
Panel parallel open circuit voltage test experiment
Panel parallel short circuit current test experiment
Load characteristic test experiment
Experiment 2, dual-axis tracking system experiment series Sun tracking
system principle experiment Sunlight tracking positioning sensor principle experiment Environment impact on photovolt*c conversion experiment Tracking controller operation experiment Solar light control tracking experiment Solar light control-time control tracking experiment Battery component environmental monitoring experiment Experiment 3, solar battery controller experiment series Solar battery charging control experiment Controller charging and discharging protection experiment Battery voltage and current test experiment Battery charge estimation experiment Battery current inflow and output control experiment Controller ambient temperature measurement experiment Controller light control-time control output experiment Experiment 4, solar energy application experiment series Solar AC and DC fan experiment Solar street light experiment Solar warning light experiment Solar charger experiment Solar variable impedance load experiment Experiment 5, solar load experiment series Maximum output current experiment Maximum output power experiment Current characteristics under different constant voltage states Voltage characteristics under different constant current states Experiment 6, solar photovolt*c inverter experiment series Inverter working principle analysis experiment Output voltage and current test experiment Maximum output power estimation experiment Overload or short circuit protection demonstration experiment Input voltage anti-reverse connection demonstration experiment Input voltage range test experiment Conversion efficiency calculation experiment
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