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What is Resistance (R)?
The property of a conducting material impeding the flow of electric charge in a circuit. As a result of resistance, heat is generated in a conductor. Measured
Sep 13, 2023
What is Impedance (electrical)?
The total opposition to electric current in a circuit. Impedance of a simple electrical circuit is equal to resistance. In complex circuits, impedance also
Sep 12, 2023
What is Junction diode?
A semiconductor device with a p-n junction and a built-in potential passing electric current better in one direction than another. A photovoltaic cell is an
Sep 12, 2023
What is Operating point?
Voltage and current produced by a PV array or panel when a load is applied. It depends on the battery or the load connected to output terminals of the solar
Sep 13, 2023
What is Sacrificial anode?
A metal anode that is buried close to a structure that needs anticorrosion protection in order to corrode instead of the structure under protection and
Sep 13, 2023
What is Temperature coefficient?
Relative performance change of a solar panel resulting from the temperature change by 1K. The higher the temperature coefficient, the more necessary it is to
Sep 13, 2023
What is Cathodic protection?
Technique used for protecting a metal surface from corrosion by supplying small amounts of electricity to the metal. It is usually applied for protection of
Sep 12, 2023
What is Infrared radiation?
Part of electromagnetic spectrum with wavelengths ranging from 0.75 to 1,000 microns. It is invisible long-wavelength radiation that can produce a thermal or
Sep 12, 2023
What is AC coupling?
An AC-coupled system is a combination of battery-based and grid-tie inverters. It can disconnect from the electric grid and provide power for critical loads in
Sep 11, 2023
What is Balancing area?
A metered section of the power generation system under maintenance of a balancing authority, which guarantees that the total amount of the electricity
Sep 11, 2023
What is Battery capacity?
Maximum amount of electric charge a battery can supply before full discharge under given conditions, including battery age, temp, cutoff voltage,
Sep 11, 2023
What is Electric Field?
An electric field is caused by built-in voltage. Under the action of electric field, free electrons ejected by photons flow in only one direction. Force equals
Sep 12, 2023
What is Fermi level?
The energy level with a 50% probability of finding an electron. In semiconductors it is located within the bandgap, while in metals it lies close to the top of
Sep 12, 2023
What is Tin oxide?
A semiconductor material with a wide bandgap. Its properties are similar to the ones of indium oxide. Tin oxide is mostly used for manufacturing of
Sep 13, 2023
What is Light trapping?
Trapping of light in semiconductors is achieved through reflection and refraction of light at a critical angle. The trapped light travels further inside the
Sep 12, 2023
