33 Terms
Contributors in Wind energy
Wind energy
Reactive power
Energy; Wind energy
must be supplied to most types of magnetic equipment, such as motors and transformers, and causes reactive losses on transmission facilities. Reactive power is provided by generators, synchronous ...
Reinvestments
Energy; Wind energy
are the costs of replacing a larger and more costly part of a turbine.
Reliability
Energy; Wind energy
describes the degree of performance of the elements of the bulk electric system that results in electricity being delivered to customers within accepted standards and in the amount desired. ...
Reynolds number
Energy; Wind energy
a dimensionless number describing the aerodynamic state of an operating aerofoil. The number is used along with the angle of attack to describe the limits of a particular aerofoil’s ...
Rural electrification
Energy; Wind energy
provides a regular supply of electricity to rural residents. It implies the extension of power lines to rural areas, or the use of stand-alone or isolated power systems.
Savonius rotor (S-rotor)
Energy; Wind energy
a simple drag device producing high starting torque developed by the Finnish inventor Sigurd J. Savonius.
