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Annual Average Wind Speed (AWS) - is the average of all instantaneous wind speeds for a location over the course of a year. Annual energy output (AEO) - is the total energy produced by a wind turbine over the course of a year. Anemometer - is a device used to measure wind speed. Cut-in wind speed - is the lowest wind speed (at hub height) at which the turbine starts to produce power. Current -is the rate at which electricity flows through a conductor; measured in amps (A). Direct current -( DC ) electric current which flows in only one direction in a wire. Our turbines and batteries are DC. Free standing tower -is a tower that does not use external supports, such as guy wires. Guy anchor - is a foundation designed for guy wire connection. Guy cable - is a cable or wire used as a tension support between a guy anchor and a tower. Guyed tower - is a tower that uses external guy supports Guyed tower - is a tower that uses external guy supports Hub -is the fixture for attaching the blades or blade assembly of a HAWT to the rotor shaft. Hybrid System - is a term used to describe an alternative energy system which uses multiple charging sources such as wind, micro hydro generators. Mean wind speed - is the
statistical mean of the instantaneous value of the wind speed averaged over a
given time period which Power curve - is a graph that depicts the power output of a wind turbine as a function of wind speed. Power output - is the amount of power produced by a wind turbine at a given speed. Rotor - is the set of blades of the wind turbine including the hub. Rated wind speed - is the specified wind speed at which a wind turbine's rated power is achieved. Rayleigh wind speed distribution - is a statistical curve whose shape approximates the actual shape of a wind speed distribution curve. It is used as a standardized distribution curve to estimate the energy production performance of a wind turbine. Rotor speed - is the rate of rotation of a wind turbine rotor about its axis. Tower - is the structure of a wind energy system that supports the rotor and power train, etc., above the Voltage - is a measure
of the electric potential difference between two points; usually |
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