DYXNY-03G Photovoltaic Power Generation System Teaching and Training Platform
Release time：2024-07-04 17:30viewed：times
1. Photovolt*c power generation system integration demonstration board The
photovolt*c power generation system integration demonstration board is m*nly composed of three m*n templates: A, B, and C. A solar lighting control system demonstration template, B solar microgrid power system demonstration template, C solar LED light source system demonstration template.
2. Teaching and research demonstration projects
1. Demonstration of control transformation process of solar off-grid lighting system Demonstration
1. System integration of high-power lighting unit of solar off-grid power station.
Demonstration 2. System integration of solar off-grid LED street lighting unit.
Demonstration 3. Working process of solar off-grid power station unit: solar cell array → junction box → universal charge and discharge controller → battery → inverter controller → AC and DC electrical load
Demonstration 4. Working process of solar off-grid street light unit: solar cell sub-array → multi-function charge and discharge controller → battery pack → constant current module → LED DC electrical load
2. Demonstration of control transformation process of solar microgrid system
Demonstration 1. System integration of high-power power supply unit of solar microgrid power station.
Demonstration 2, solar high-voltage grid-connected power station unit working process: solar cell array → combiner box → synchronous inverter → public high and low voltage power grid
Demonstration 3, solar low-voltage grid-connected power station unit working process: solar cell array → combiner box → universal charge and discharge controller → battery pack → synchronous inverter → public low voltage power grid
Demonstration 4, solar off-grid power station unit working process: solar cell array → combiner box → universal charge and discharge controller → battery pack → inverter → AC electrical load
3, solar LED light source system transformation process demonstration
Demonstration 1, solar LED light source unit system integration.
Demonstration 2, the working process of the solar traffic signal light unit: solar cell array → multi-function charge and discharge controller → battery pack → signal light unit controller → LED light source board
Demonstration 3, the working process of the solar LED bulb lighting unit: solar cell array → universal charge and discharge controller → battery pack → LED bulb
Demonstration 4, the working process of the solar LED light board lighting unit: solar cell array → multi-function charge and discharge controller → battery pack → constant current module → LED light board 1 output + LED light board 2 output
3. Demonstration system operation technical conditions (single-phase output)
1. Power supply unit
DC power
◆ AC/DC module power: 400W
◆ Photovolt*c module output working voltage: 10.8~28VDC
◆ Photovolt*c module control working current: 30A
◆ Analog light source LED module power: 12~28W
AC power
◆ AC input voltage: 220V
◆ AC output power: 300W
2. Charge and discharge controller
◆ Use single-chip microcomputer and special software to realize intelligent control, 12/24 voltage automatic identification system.
◆ Adopting series PWM charging control mode, the voltage loss of the charging circuit is reduced by half compared with the original diode charging mode, and the charging efficiency is 3-6% higher than that of non-PWM; the over-discharge recovery boost charging, normal direct charging, and floating charge automatic control mode are beneficial to improve the battery life.
◆ Multiple protection functions, including battery reverse connection, battery over- and under-voltage protection, solar cell module short-circuit protection, output over-current protection function with automatic recovery, and output short-circuit protection function.
◆ It has a variety of working modes, such as light control, light control + delay, general control and other modes.
◆ Floating charge temperature compensation function.
◆ Using a large-screen LCD display, charging, discharging, photovolt*c, battery, and load parameters are clear at a glance, and all settings can be completed with one-button operation, which is convenient and intuitive.
3. Grid-connected inverter module
◆ DC input voltage: 10.8~30.2VDC
◆ Input current: 12.5A
◆ Rated output power: 300W
◆ Output voltage: 170V~260VAC
◆ Frequency range: 45Hz~53Hz
◆ Working efficiency: 99%
◆ Power factor: >0.99
◆ Waveform distortion rate ≤5%
◆ Working environment: temperature -20℃~50℃
◆ Relative humidity: ﹤90﹪ (25℃)
4. Off-grid inverter module
◆ Rated input voltage: 10.8V~17V
◆ Rated output voltage 220VAC±10%
◆ Output frequency: 50HZ±1HZ
◆ Output waveform; sine wave
◆ Rated output power 300W;
◆ Inversion efficiency: ≥82%.
5. Load unit
◆ AC linear resistance load: 3~15~120W
◆ DC analog load: 12V/28W LED street light board
6. LED display
◆ Solar controller: charging, overvoltage, undervoltage, overdischarge, operation
◆ Battery simulation voltage (high-medium-low)
6. Mobile bracket
◆ St*nless steel bracket: st*nless steel sheet bending and welding.
◆ Display board: aluminum alloy frame price and aluminum-plastic plate processing and forming.
◆ Mobile chassis: can be combined according to different display requirements.
7. Virtual simulation software for electrical installation of building and intelligent building Based on unity3d design, users can choose different sizes of interactive interface according to computer configuration, and can choose six levels of image quality. The model in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, as follows: A. Wet alarm system 1. System overview: Overview of wet alarm system 2. Equipment recognition: It has 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), schematic diagram (you can enter the device from the schematic diagram). Equipment includes: sprinkler, water flow indicator, signal butterfly valve, exhaust valve, fire alarm control, high pressure gauge, high-level water tank, Weiya control cabinet, pressure regulating tank, flow switch, terminal water test device, dr*nage facilities, water pump connector, hydraulic alarm, delay, wet alarm, butterfly valve, check valve, fire pump, safety pressure regulating valve, fire water pool. 3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, 3D model is semi-transparent, and the internal water flow can be seen. Equipped with exercise module (4 built-in multiple-choice questions, both correct and wrong choices are prompted) 4. Design layout: There are multiple-choice questions and calculation questions, each question is scored, and the correct answer and score are displayed after submission B. Gas fire extinguishing system 1. System overview: Overview of gas fire extinguishing system 2. Equipment cognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (8 built-in multiple-choice questions, both correct and wrong choices are prompted), and schematic diagram (you can enter the equipment from the schematic diagram). Equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, HFC-227 one-way valve, high-pressure hose, gas one-way valve, safety valve, weighing alarm, electromagnetic starter, selector valve, smoke alarm, fire alarm controller. 3. Principle display: Demonstrate the working principle of the gas fire extinguishing system, 3D animation demonstration, 3D model is semi-transparent, and the internal gas can be seen. 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 in the form of fun games, escape from the burning room within a limited time, and wrong choices will directly enter the score interface.
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