Chinese wholesale Poly-crystalline Solar Panel 200W for Portugal Importers

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Poly-crystalline Solar Panel 200W

Technical parameter

Maximum Power(W)                           200W

Optimum Power Voltage(Vmp)           26.78V

Optimum Operating Current(Imp)       7.47A

Open Circuit Voltage(Voc)                  32.66V

Short Circuit Current(Isc)                     8.21A

Mechanical Characteristics

Cell Type Polycrystalline                     156x156mm (6 inch)

No of Cell                                              54 (6x9pcs)

Dimensions                                           1482x990x40mm

Weight                                                  17.6Kg

Front Glass                                           3.2mm,High Transmission, Low Iron,Tempered Glass

Junction box                                          IP65 Rated

Output Cable                                        TUV 1×4.0mm2/UL12AWG,Length:900mm

Temperature and Coefficients

Operating Temperature(°C):                -40°C ~ + 85°C

Maximum System Voltage:                  600V(UL)/1000V(IEC) DC

Maximum Rated Current Series:         15A

Temperature Coefficients of Pmax:     -0.47%

Temperature Coefficients of Voc:        -0.389%

Temperature Coefficients of Isc:           0.057%

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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    A simple guide to controlling 12 volt LED strips from your Arduino using an N Channel Mosfet.

    In my example I’m using PWM to fade the 12v LED strip, but you could just as easily turn the LED strip on and off instead of fading it. Also it doesn’t have to be an LED strip and it doesn’t have to be 12v!

    If you’re going to drive a motor or a relay (or any inductive load) using this setup, you should add a diode across the positive and negative input of the motor/relay to avoid any back voltage.

    I’ve over simplified things in terms of my description and the circuit, but it should be enough to get you up and running and to give you a basic understanding of how an N-Channel Mosfet works.

    Pretty much any N Channel Mosfet will be fine, but ideally you want to go for an L series, because the gate can be reliably driven at lower voltages, such as the 5 volt from the Arduino.

    If you’re curious, a MOSFET is a metal–oxide–semiconductor field-effect transistor. The benefit of a MOSFET over the traditional relay is that it can turn on and off extremely quickly, meaning it’s suitable for PWM, compared to the old coil relay which can’t turn on and off so quickly. Of course a modern solid state relay can compare against a mosfet or transistor.

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