The Off-Grind Inverter type Solar System comprising of the following items:
Solar Panel:
Bi-facial PV modules.
Nominal Power (Pmax): 590W.
Operating Voltage (Vmp): ~41.6V.
Operating Current (Imp): ~14.2A.
Open-Circuit Voltage (Voc): ~50.2V.
Short-Circuit Current (Isc): ~14.9A.
Module Efficiency: ~21.3%.
Cell Type: Monocrystalline PERC (Bifacial).
No. of Cells: 144 (half-cut cells, 72 full cells split).
Glass: Double-glass (tempered, anti-reflective coating).
Connectors: MC 4 / MC 4 compatible.
Solar Inverter:
Type: DC/AC Inverters.
Rated output power: 10.2Kw.
Output type: Single.
Nominal output voltage: 200/230/240V AC.
Maximum Solar Charging Current: 160A..
Battery type: Lithium and Lead Acid Battery, support user-defined.
System voltage: 48V.
PV MPPT voltage range: 90 ~ 500V DC.
Lithium Battery:
System voltage: 25.6V.
Output power range: 0 - 5kWh.
Grid connection: Hybrid grid.
Battery type: LiFePO4.
System type: Portable.
Nominal voltage: 25.6V.
Nominal capacity: 100AH.
Rated energy: 2560Wh.
Operating voltage range: 21.6 ~ 29.2V.
Technical Specifications:
Solar modules of 0.5V, (420 mA & 840 mA):
Solar modules with high efficiency polycrystalline solar cell. 0.5V open circuit voltage. 420 mA and 840 mA short circuit current. 0.2 and 0.4 Wp peak power. Optimized low light behavior. Solar cell sizes: 26 mm x 52 mm and 52 mm x 52 mm. Layout: Plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size (each): 85 mm x 85 mm.
Solar module of 1.5 V, 280 mA: Solar module with minimum 3 high efficiency polycrystalline solar cells. 1.5 V open circuit voltage. 280 mA short circuit current. 0.13 Wp peak power. Optimized low light behavior. Solar cell size 3 pcs. 17 mm x 52 mm. Layout: Plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Base unit Large: Main board for the plug-in system with 3 slots. Grid-dimension of the plugs: 70 mm. Enable series and parallel connection of the modules. Changing between series and parallel connection by turning the modules. Made in accordance with the latest European Union directives. Equipped with 4 additional 4 mm jacks for connecting measuring lines.
Lighting module: Light source for illuminating solar modules with defined intensity. Operating voltage: 0 - 12V. Maximum power: 4W. Maximum illumination intensity on the solar cell: 200 W/m². Aperture of the light source: 60 mm x 60 mm.
Used to heat the solar cell to measure its temperature dependence. Connection: 4 mm-jacks. Include 4 pcs. E5.5 bulbs.
Diode module:
Plug-in Module with Schottky-diode. Flux voltage ca. 0.3 V. Forward continuous current: 200 mA. Qualified as bypass-diode for single solar cells. Layout: Plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Resistor module:
Plug-in module with 33? resistor. Tolerance: 5%. Maximum power: 2W. Layout: Plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Potentiometer module:
Plug-in module with adjustable resistance. Resistance continuously adjustable: 0 - 1.1 k?. Maximum current: 200mA. Module should contain two potentiometers connected in series (1 x 100? and 1 x 1 k?). Allow an exact adjustment of the resistance while having a large resistance range. Layout: Plug-in module with 4mm jacks. Grid-dimension of the jacks: 70mm. Module size: 85mm x 85mm.
Gear motor module:
Plug-in module with geared motor. Initial current: ca. 20mA. Initial voltage: ca. 0.35V. Minimum operating current: 10mA. Maximum voltage: 4V. Equipped with hook for attaching balance weights. Suitable for balance weights up to ca. 20g. Gear reduction: 1:27. Layout: plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Buzzer module:
Plug-in Module with piezo buzzer. Pulse tone buzzer. Initial voltage: 0.7 V. Initial current: 0.2 mA. Layout: plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Motor Module without Gear:
Plug-in module with DC-motor. Initial current: 20 mA. Initial voltage: 0.35 V. Equipped with automatic fuse protecting from overvoltage. Layout: Plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Color discs - Set 1: Color discs for demonstration of color mixture and optical illusions. Contain a mount with 2 clips for attaching the discs. Mount fits axles of 2mm diameter. Included color discs: Red-green-blue, Red-blue, Red-green, Blue-green & Hue disc. Optical illusion: Relief and color formation. Stroboscope disc.
Solar cell covers set (4 pieces): 4 black plastic plates. Opaque and 30 mm x 30 mm. For shadowing solar cells.
Color filters: 3 color filters (blue, red, yellow). Red: Edge filter with transmission from 600nm. Yellow: Edge filter with transmission from 530nm. Blue: Transmission 380nm - 530nm; Maximum Transmission @ 450nm.
Capacitor module 220 mF, 2.5V: Capacitor plug-in module. 220mF capacity and 2.5V voltage. Equipped with automatic fuse protecting from overvoltage. Layout: plug-in module with 4 mm jacks. Grid-dimension of the jacks: 70 mm. Module size: 85 mm x 85 mm.
Laboratory thermometer: Alcohol laboratory thermometer with red liquid. White occupied capillaries and amber stain graduation. Length according to ISO 305mm, 6mm Ø, with suspension eye. Packed in a protective plastic holder. Measurement range: -10 to +110°C, graduation of 1°C.
Power module:
The Power Module is a compact, robust and easy-to-use power supply for experiments. The voltage varied incrementally in 0.5V steps from 0 to 12V. It supplies up to 24W output power. Output voltage: 0 - 12V DC. Maximum current: 2A. Maximum output power: 24W. Automatic overcurrent detection. Voltage variation in 0.5V steps (manually). Accuracy: ±0.15V. Contacts: 4mm standard connectors and compatible to main board. Input voltage: 110 - 230V AC, 50Hz. Adaptors for all common sockets included. Vacuum-paddings. Box and lid for tray. Layout diagram and Info sheet initial startup. 25 cm Test leads (black and Red) x 2 of Each color. Digital multimeter with probes. Printed Instructions Manual.
Learning Facilities:
Understanding the base unit
Optical illusions:
Basic setup for experiments with the color disks.
Color qualities and additive color mixing.
Optical illusions with the Benham and relief-disk.
Experiments about different kinds of radiation:
Influence of diffuse radiation on solar cell power (qualitative).
Influence of direct radiation on solar cell power (qualitative).
Intensity of albedo-radiation of different substances (qualitative).
Dependence of solar cell power on its area and angle of incidence of light.
Dependence of solar cell power on illuminance.
Dependence of solar cell power on temperature.
Dependence of solar cell power on frequency of incident light.
Diode character of a solar cell.
I-V-characteristics of a solar cell.
Behavior of voltage and current in series and parallel connections of solar cells.
Behavior of voltage and current of series and parallel connection of solar cells depending on shading.
Simulation of a stand-alone grid with photovoltaic station.
Characteristic graphs of a capacitor.
Practical experiments:
Determination of efficiency of some energy conversions.
Rotational direction and speed of a motor.
Starting and running current of a motor.