English Glossary


Since 02.06.2017

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R

R

resistance

radiación

modo de transferencia de energía (p. ej., calor, luz) de una fuente a un objeto que no requiere contacto entre la fuente y el objeto (es decir, la energía se puede transmitir a través de vacío)

radiación directa

Radiación proveniente directamente del sol, proyectando sombras en un día claro. Irradación solar recibida sin dispersión por ejemplo: nubosidad.

radiación solar

La energía del sol se emite como radiación electromagnética, que incluye luz visible.

radiación solar global

Suma de radiación directa y difusa.

radiation

mode of energy transfer (e.g. heat, light) from a source to an object which does not require contact between source and object (i.e. the energy can be transmitted through a vacuum)

radiation heat transfer

Heat transfer via electromagnetic radiation. The only mode of heat transfer that can pass through a vacuum.

radioactive decay

Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation.


radiosondas

Dispositivo de medición meteorológico con un radiotransmisor conectado a un globo.

radiosondes

Weather measurement device with a radio transmitter connected to a balloon.

rampas de viento

Fuerte incremento o disminución de la velocidad del viento.

Rankine cycle

Thermodynamic cycle of a heat engine that converts heat into mechanical work. Used to predict the performance of steam turbine systems, such as steam-operated heat engines commonly found in thermal power generation plants.

rapid voltage changes

Voltage steps or other voltage variations (single events) that are a result of grid disturbances or switching actions.

rated power

Power of wind turbine at a given rated wind speed.

rated wind speed

The wind speed at which the turbine is producing its nameplate-rated power production.

RCD

residual-current device

RCSD

cociente de cobertura del servicio de la deuda

RCVP

coeficiente de cobertura durante la vida del préstamo

RE

Renewable Energy

re-dispatch

Re-scheduling of power plant on short notice to solve congestion in the grid.


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