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  2. Wikipedia : Public domain image resources

    en.wikipedia.org/wiki/Wikipedia:Public_domain...

    This is one of the largest collections of public domain images online (clip art and photos), and the fastest-loading. Maintainer vets all images and promptly answers email inquiries. Open Clip Art – This project is an archive of public domain clip art. The clip art is stored in the W3C scalable vector graphics (SVG) format.

  3. File:Pentair Logo.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Pentair_Logo.jpg

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  4. Pentair - Wikipedia

    en.wikipedia.org/wiki/Pentair

    Pentair plc (PNR) is an American water treatment company incorporated in Ireland with tax residency in UK, with its main U.S. office in Golden Valley, Minnesota. [6] Pentair was founded in the US, with 65% of company's revenue coming from the US and Canada as of 2017.

  5. Solar controller - Wikipedia

    en.wikipedia.org/wiki/Solar_controller

    The simplest solar controller circuit uses a comparator with two temperature inputs, one at the solar panel and one at the thermal store's heat exchanger, and an output to control the pump. Commercial controllers use a microprocessor usually with a LCD display and simple user interface with a few pushbuttons.

  6. Building-integrated photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Building-integrated...

    System is installed on single-ply roofing membrane on a flat roof using no roof penetrations. BAPV solar façade on a municipal building located in Madrid . United Solar Ovonic thin-film PV building-integrated solar shingles. The majority of BIPV products use one of two technologies: Crystalline Solar Cells (c-SI) or Thin-Film Solar Cells.

  7. Charge controller - Wikipedia

    en.wikipedia.org/wiki/Charge_controller

    In solar applications, charge controllers may also be called solar regulators or solar charge controllers. Some charge controllers / solar regulators have additional features, such as a low voltage disconnect (LVD), a separate circuit which powers down the load when the batteries become overly discharged (some battery chemistries are such that ...

  8. Solar-powered pump - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_pump

    A PV solar-powered pump system has three main parts - one or more solar panels, a controller, and a pump.The solar panels make up most (up to 80%) of the system's cost. [citation needed] The size of the PV system is directly dependent on the size of the pump, the amount of water that is required, and the solar irradiance available.

  9. Concentrator photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Concentrator_photovoltaics

    Concentrator photovoltaics and thermal (CPVT), also sometimes called combined heat and power solar (CHAPS) or hybrid thermal CPV, is a cogeneration or micro cogeneration technology used in the field of concentrator photovoltaics that produces usable heat and electricity within the same system.