One of Hottest for Poly-crystalline Solar Panel 5W Manufacturer in Provence
Short Description:
Our target is to consolidate and improve the quality and service of existing products, meanwhile constantly develop new products to meet different customers' demands for One of Hottest for Poly-crystalline Solar Panel 5W Manufacturer in Provence, We sincerely welcome you come to visit us. Hope we have good cooperation in the future.
Poly-crystalline Solar Panel 5W
Technical parameter
Maximum Power(W) 5W
Optimum Power Voltage(Vmp) 9V
Optimum Operating Current(Imp) 0.56A
Open Circuit Voltage(Voc) 10.8V
Short Circuit Current(Isc) 0.62A
Mechanical Characteristics
Cell Type Polycrystalline
No of Cell 18 (3x6pcs)
Dimensions 175x270x18mm
Weight 0.65KGS
Front Glass 3.2mm,High Transmission, Low Iron,Tempered Glass
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 10A
Temperature Coefficients of Pmax: -0.435%
Temperature Coefficients of Voc: -0.35%
Temperature Coefficients of Isc: 0.043%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Polycrystalline solar cell 156*156mm
2).Front Glass——-3.2mm, high transmission, low iron, tempered glass
3).EVA——-excellent anti-aging EVA
4).TPT——-TPT hot seal made of flame resistance
5).Frame——anodized aluminum profile
6).Junction Box——-IP65 rated, high quality, with diode protection
Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.
Features
1. High cell efficiency with quality silicon materials for long term output stability
2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures
3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
4. Both Poly-crystalline and Mono-crystalline
5. Excellent performance in harsh weather
6. Outstanding electrical performance under high temperature and low irradiance
Quality assurance testing
Thermal cycling test
Thermal shock test
Thermal/Freezing and high humidity cycling test
Electrical isolation test
Hail impact test
Mechanical, wind and twist loading test
Salt mist test
Light and water-exposure test
Moist carbon dioxide/sulphur dioxide
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Leron Zhuomao
Whatsapp : +86 150 1921 1735
Skype: Leronli515
Wechat: Leronzhuomao
Email: [email protected]
“CONSTRUCTION OF SINGLE AXIS AUTOMATIC SOLAR TRACKING SYSTEM” BY Tanvir Islam & Anik Sarker.
Daffodil International University, Department of Electrical & Electronic Engineering.
The solar tracker comprises comparator IC LM339, H-bridge motor driver IC L293D (IC2) and a few discrete components. Light-dependent resistors LDR1 and LDR2 are used as sensors to detect the panel’s position relative to the sun.
These provide the signal to motor driver IC2 to move the solar panel in the sun’s direction. LDR1 and LDR2 are fixed at the edges of the solar panel along the X axis, and connected to comparators A1 and A2, respectively. Presets VR1 and VR2 are set to get low comparator output at pins 2 and 1 of comparators A1 and A2, respectively, so as to stop motor M when the sun’s rays are perpendicular to the solar panel.
When LDR2 receives more light than LDR1, it offers lower resistance than LDR1, providing a high input to comparators A1 and A2 at pins 4 and 7, respectively. As a result, output pin 1 of comparator A2 goes high to rotate motor M in one direction (say, anti-clockwise) and turn the solar panel.
When LDR1 receives more light than LDR2, it offers lower resistance than LDR2, giving a low input to comparators A1 and A2 at pins 4 and 7, respectively. As the voltage at pin 5 of comparator A1 is now higher than the voltage at its pin 4, its output pin 2 goes high. As a result, motor M rotates in the opposite direction (say, clock-wise) and the solar panel turns.
