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Solar power

Solar power is the conversion of sunlight into electricity, either directly using photovoltaics (PV), or indirectly using concentrated solar power (CSP). Concentrated solar power systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. Photovoltaics convert light into electric current using the photoelectric effect.

Contributors in Solar power

Solar power

Gallium (GA)

Energy; Solar power

A chemical element, metallic in nature, used in making certain kinds of solar cells and semiconductor devices.

Watt

Energy; Solar power

The rate of energy transfer equivalent to one ampere under an electrical pressure of one volt. One watt equals 1/746 horsepower, or one joule per second. It is the product of voltage and current ...

Gallium arsenide (GAAS)

Energy; Solar power

A crystalline, high-efficiency compound used to make certain types of solar cells and semiconductor material.

Float service

Energy; Solar power

A battery operation in which the battery is normally connected to an external current source; for instance, a battery charger which supplies the battery load< under normal conditions, while also ...

Varistor

Energy; Solar power

A voltage-dependent variable resistor. Normally used to protect sensitive equipment from power spikes or lightning strikes by shunting the energy to ground.

Float-zone process

Energy; Solar power

In reference to solar photovoltaic cell manufacture, a method of growing a large-size, high-quality crystal whereby coils heat a polycrystalline ingot placed atop a single-crystal seed. As the coils ...

Valence band

Energy; Solar power

The highest energy band in a semiconductor that can be filled with electrons.

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