English Glossary


Since 02.06.2017

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M

MTTR

mean time to recover

multicristalino

Material que se solidifica a una velocidad rápida, formando pequeños cristales (cristalitas). Los átomos dentro de una cristalita individual están dispuestos simétricamente, mientras las cristalitas están ordenados al azar. Estos numerosos contornos de grano reducen el rendimiento del sistema. Un material compuesto de pequeños cristales individuales diversamente orientados. (a veces se los nombra como policristalino o semicristalino).

multicrystalline

Material that is solidified at such rate that many small crystals (crystallites) form. The atoms within a single crystallite are symmetrically arranged, whereas crystallites are jumbled together. These numerous grain boundaries reduce the device efficiency. A material composed of variously oriented, small individual crystals. (Sometimes referred to as polycrystalline or semicrystalline).

municipal solid waste

MSW - all types of solid waste generated by a community (households and commercial establishments), usually collected by local government bodies.

MV

medium voltage

MVA.

megavolt ampere

Mvar

megavolt ampere reactive

MVF

motion vector Field

MW

megawatt

MWh

megawatt hour

N

n

May refer to: 1) Speed, 2) Normal to a surface 3) lifetime of the project

N-1 security

Ability of a power system to continue its unrestricted operation in case of failure of any one component.

nacelle

The nacelle of a wind turbine contains the gear box and the generator. It is mounted at the top of the tower.

NAMA

Nationally Appropriate Mitigation Action

NaNiCl

sodium nickel chloride

NaS

Sodium Sulphur

NASA

National Aeronautics and Space Administration

Natura 2000 Site

Designated European sites that constitute Natura 2000 network of protected sites for habitats and species across the EU. They are defined in combination of Special Areas of Conservation and Special Protection Areas.

natural monopoly

A natural monopoly is a monopoly in an industry in which it is most efficient (involving the lowest long-run average cost) for production to be permanently concentrated in a single firm rather than contested competitively. Examples are infrastructures, such as electric power grids or natural gas grids, which cannot be operated in economic competition. Investment in these infrastructure will not justify parallel setups.

NDA

National Designated Authority


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