photon — A particle of light that acts as an individual unit of energy. photovoltaic(s) (PV) — Pertaining to the direct conversion of light into electricity. photovoltaic (PV) array — An interconnected system of PV modules that function as a single electricity-producing unit.
What is the important terms of solar energy?
albedo – ratio of light reflected from a surface. alternating current (AC) – an electric current that reverses direction at regular intervals. altitude – height of the sun above the horizon.
What are the 3 types of solar energy?
There are three main types of residential solar electric power systems: grid inter-tied; grid inter-tied with battery backup; and off-grid. These three broad types vary in how closely connected they are to the traditional power utility infrastructure, known as the grid.
Which of the following terms refer to solar cells?
Solar cell, also called photovoltaic cell, any device that directly converts the energy of light into electrical energy through the photovoltaic effect.
What is the biggest challenge to the use of solar energy?
This year the global solar industry’s biggest problem is market uncertainty. A lack of consistency in government support has created an atmosphere of uncertainty leading to project delays, price drops, and a decline in hiring and expansion plans.
What are advantages of solar energy?
Solar power is pollution-free and causes no greenhouse gases to be emitted after installation. Reduced dependence on foreign oil and fossil fuels. Renewable clean power that is available every day of the year, even cloudy days produce some power. Return on investment unlike paying for utility bills.