Solar panel experimental device
This is an experimental device for learning about the performance and usage of solar panels and energy storage systems, which are forms of renewable energy. It consists of a solar panel mounted on a lightweight frame with casters, which can be adjusted for angle, a solar radiation meter, a solar panel unit made up of batteries, a control unit that includes a charge controller, and an electrical load unit. The control unit digitally displays the solar panel voltage and current output, battery voltage and current output (when charging), voltage and current output to the electrical load unit, and solar radiation (W/m²). The electrical load device includes four filament lamps and a variable electrical load device (3-50Ω), as well as a 100W inverter for external output. Experiments using batteries with low capacity help investigate charge and discharge cycles. By using the optional (sold separately) data automatic collection system VDAS-B, various data can be collected in real-time to a PC (sold separately) and the experimental results can be analyzed.
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basic information
TE4 Specifications Solar Panel Unit Dimensions/Weight: 1300 x 730 x H950mm, approximately 60kg Control Unit Dimensions/Weight: 600 x 350 x H180mm, approximately 11kg Electrical Load Unit Dimensions/Weight: 600 x 350 x H180mm, approximately 13kg Cable Length: 5M (maximum distance between the solar panel unit and control unit) Solar Panel: Maximum Output 40W Open Circuit Voltage 22.0V Maximum Output Voltage 12V Maximum Output Current 2.2A Short Circuit Current 2.37A Power Supply (Control Unit): AC200V 100mA or AC100V 200mA 50/60Hz Operating Environment Temperature: +5℃ to +40℃
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Applications/Examples of results
**Main Experimental Content** ■ Performance of Solar Panels (Current Output/Voltage Output Characteristic Curve) Performance experiments on solar panels with direct electrical loads applied. ■ Demonstration of Float Mode (Float Mode Characteristics of Charge Controller) Observation of automatic circuit switching operations during full charge and when electrical loads are connected. ■ Demonstration of Load Cut (Load Cut Characteristics of Charge Controller) Observation of automatic circuit disconnection during voltage drop and reconnection of electrical loads when voltage recovers. ■ Experiments Using External Electrical Loads (Not Included) Integrated into an external output DC/AC inverter (DC12V to AC110, 100W) device. ■ Performance Investigation of Solar Panels By utilizing the VDAS-B data automatic collection system (sold separately), long-term experiments can be conducted over a day or a week. Delivery Record: Setagaya Technical High School
Detailed information
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VDAS-B (sold separately) software reference screen
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Reference diagram for the functions of control unit switches 1 and 2.
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Control unit reference photo Output 1: Directly obtain solar panel output Output 2: Used for electrical load or external electrical load
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Reference photo of electric load unit Variable load, lamp, external output
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Reference diagram for the connection of the solar panel experimental device TE4. Please do not use the control unit and electrical load unit outdoors.
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Options (sold separately) TE4a 6kW Light This is an R7 tungsten lamp that can be used for experiments indoors as a substitute for sunlight. R7 tungsten lamp: 3 rows x 5 stages = 15 units (maximum 6kW) Each stage can be switched ON/OFF. Dimensions and weight: W780 x D510 x H850 mm, approximately 28kg Power supply: Three-phase AC200V 30A (with AC400V transformer included)
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Megakemu designs, manufactures, and imports various experimental and practical equipment for universities, junior colleges, technical colleges, high schools, and vocational schools nationwide. While the world has made advancements in various fields, it seems that our Earth's environment is being disturbed by ourselves and is approaching its limits. The world is seeking new Japanese technologies that coexist with the Earth's environment.