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  2. Solar tracker - Wikipedia

    en.wikipedia.org/wiki/Solar_tracker

    The effective collection area of a flat-panel solar collector varies with the cosine of the misalignment of the panel with the Sun.. Sunlight has two components: the "direct beam" that carries about 90% of the solar energy [6] [7] and the "diffuse sunlight" that carries the remainder – the diffuse portion is the blue sky on a clear day, and is a larger proportion of the total on cloudy days.

  3. Charge controller - Wikipedia

    en.wikipedia.org/wiki/Charge_controller

    Charge controllers are sold to consumers as separate devices, often in conjunction with solar or wind power generators, for uses such as RV, boat, and off-the-grid home battery storage systems. [1] In solar applications, charge controllers may also be called solar regulators or solar charge controllers.

  4. Photovoltaic keyboard - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_keyboard

    A photovoltaic keyboard, or solar keyboard, [1] [2] is a wireless computer keyboard that charges its batteries from a light source such as the sun or interior lighting, addressing a major drawback of wireless computer peripherals that otherwise require regular replacement of discharged batteries.

  5. Photovoltaic system performance - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_system...

    Photovoltaic system performance is a function of the climatic conditions, the equipment used and the system configuration. PV performance can be measured as the ratio of actual solar PV system output vs expected values, the measurement being essential for proper solar PV facility's operation and maintenance.

  6. 55 Cool Tech Gadgets Our Gear Editors Loved Testing This Year

    www.aol.com/lifestyle/40-wildly-innovative-tech...

    The new Instinct 2X Solar puts all the best features of Garmin’s killer fitness watches into a next-gen design that tracks every fitness metric that matters with unlimited battery life—yes ...

  7. Maximum power point tracking - Wikipedia

    en.wikipedia.org/wiki/Maximum_power_point_tracking

    PV solar systems have varying relationships to inverter systems, external grids, battery banks, and other electrical loads. [6] The central problem addressed by MPPT is that the efficiency of power transfer from the solar cell depends on the amount of available sunlight, shading, solar panel temperature and the load 's electrical characteristics.

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