8 Year Exporter Poly-crystalline Solar Panel 50W for Poland Importers

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Poly-crystalline Solar Panel 50W

Technical parameter

Maximum Power(W)                         50W

Optimum Power Voltage(Vmp)        18.43V

Optimum Operating Current(Imp)    2.71A

Open Circuit Voltage(Voc)               22.48V

Short Circuit Current(Isc)                 2.98A

Mechanical Characteristics

Cell Type Poly-crystalline                  156 x 52mm

No of Cell                             36 (4x9pcs)

Dimensions                          678x542x25mm

Weight                                 4.2Kg

Front Glass                          3.5mm,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——Poly-crystalline solar cell 156*52mm

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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  • In today’s Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.

    This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse

    Makeup of a Solar System 2:38
    From Gas to a Disc 5:36
    Planet Formation Depends on Distance to Sun 7:14
    Motion of a System 8:21

    PBS Digital Studios: http://youtube.com/pbsdigitalstudios

    Follow Phil on Twitter: https://twitter.com/badastronomer

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    PHOTO/VIDEO CREDITS
    Sun: http://www.nasa.gov/sites/default/files/706436main_20121114-304-193blend_m6-orig_full.jpg [credit: NASA/ESA]
    Jupiter: http://www.jpl.nasa.gov/images/hubble/20140515/jupiter20140515-full.jpg [credit: NASA/ESA]
    Geocentric celestial spheres; Peter Apian’s Cosmographia (Antwerp, 1539): http://en.wikipedia.org/wiki/Celestial_spheres#mediaviewer/File:Ptolemaicsystem-small.png
    Ganymede: http://en.wikipedia.org/wiki/File:Noaa_ganymede.jpg
    Mercury: http://messenger.jhuapl.edu/gallery/sciencePhotos/pics/CW0131775256F_web.png [credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington]
    Understanding Solar System Dynamics: Orbits and Kepler’s Laws (2008): https://archive.org/details/OrbitsAndKeplersLaws
    Mercury: http://apod.nasa.gov/apod/ap080116.html
    Venus: http://www.msss.com/all_projects/magellan.php
    Earth: http://earthobservatory.nasa.gov/IOTD/view.php?id=36019
    Mars: http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-mars.html
    Jupiter: http://www.nasa.gov/mission_pages/cassini/multimedia/pia04866.html
    Saturn: http://www.slate.com/content/dam/slate/blogs/bad_astronomy/2014/06/Ten%20Years%20at%20Saturn/cassini_ugarkovic_saturn.jpg.CROP.original-original.jpg [credit: Photo by NASA/JPL/Space Science Institute/Gordan Ugarkovic]
    Uranus: http://hubblesite.org/newscenter/archive/releases/1998/35/image/a/
    Neptune: http://www.slate.com/blogs/bad_astronomy/2014/05/15/neptune_voyager_images_updated_for_portrait_of_the_eighth_planet.html
    http://www.nasa.gov/sites/default/files/hs-2014-29-a-large_web.jpg [credit: JHUAPL/SwRI/Dan Durda]
    Bennu’s Journey: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=20220&button=recent

    http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11541

    Artist’s impression of a protoplanetary disk: http://en.wikipedia.org/wiki/Protoplanetary_disk#mediaviewer/File:Artist%E2%80%99s_Impression_of_a_Baby_Star_Still_Surrounded_by_a_Protoplanetary_Disc.jpg
    Rocky Ring of Debris Around Vega: http://www.nasa.gov/mission_pages/spitzer/multimedia/pia16610.html [image credit: NASA/JPL-Caltech]
    Proplyds in the Orion Nebula: http://www.esa.int/Our_Activities/Space_Science/Born_in_beauty_proplyds_in_the_Orion_Nebula



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