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Nameplate capacity, also known as the rated capacity, nominal capacity, installed capacity, maximum effect or gross capacity, [1] is the intended full-load sustained output of a facility such as a power station, [2] [3] electric generator, a chemical plant, [4] fuel plant, mine, [5] metal refinery, [6] and many others.
Nominal power (or peak power) is the nameplate capacity of photovoltaic (PV) devices, such as solar cells, modules and systems.It is determined by measuring the electric current and voltage in a circuit, while varying the resistance under precisely defined conditions.
Capacity credit (CC, also capacity value [1] or de-rating factor [2]) is the fraction of the installed capacity of a power plant which can be relied upon at a given time (typically during system stress), [3] frequently expressed as a percentage of the nameplate capacity.
In various subfields of engineering, a nominal value is one for which the "name" for the value is close to, but not the same as, the actual value. Some examples: Some examples: Dimensional lumber sizes such as "2 by 4" refers to a board whose finished dimensions are closer to 1 + 1 ⁄ 2 inches by 3 + 1 ⁄ 2 inches ( 1 + 3 ⁄ 4 inches by 3 ...
The actual production is also influenced by local factors such as dust and ambient temperature, which ideally should be low. As for any power station, the maximum possible power production is the nameplate capacity times the number of hours in a year, while the actual production is the amount of electricity delivered annually to the grid.
Storage capacity (energy), the amount of energy that the storage system of a power plant can hold; Nameplate capacity, the intended full-load sustained output of a facility such as a power plant; Heat capacity, a measurement of changes in a system's internal energy; Combining capacity, another term for valence in chemistry
For compliance year 2011 through compliance year 2014, public utilities (not applicable to competitive suppliers) must purchase both the renewable-energy credits (RECs) and the electricity output from community renewable-energy projects totaling at least 50 MW in nameplate capacity.
The actual amount of electric power that wind can generate is calculated by multiplying the nameplate capacity by the capacity factor, which varies according to equipment and location. Estimates of the capacity factors for wind installations are in the range of 35% to 44%. [51]