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HARMONIC GENERATOR [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-05-30

English

Subject field(s)
  • Rectifiers (Electricity)
  • Wind Energy
CONT

A pulse width modulated rectifier can alternatively reduce harmonic losses and can also serve to drive the [wind turbine] generator as a motor to allow starting in reduced wind speeds.

Key term(s)
  • pulse-width-modulated rectifier
  • pulse width modulated wave rectifier

French

Domaine(s)
  • Redresseurs (Électricité)
  • Énergie éolienne
CONT

[Aérogénérateurs électriques] Figure 20. Chaînes de conversion pour machines synchrones (le plus souvent en entraînement direct) : de la solution élémentaire à redresseur à diodes jusqu’à celle à redresseur actif PWM [pulse width modulation]. […] la figure 20 c donne la structure «idéale» avec redresseur à modulation de largeur d’impulsion qui permet d’absorber des courants sinusoïdaux et de contrôler éventuellement leur phase pour disposer d’un degré de liberté supplémentaire dans l’optimisation énergétique et dans celle du dimensionnement du système […]

Spanish

Save record 1

Record 2 2002-01-11

English

Subject field(s)
  • Helicopters (Military)
  • Gears and Friction Wheels
CONT

... the harmonic drive gearbox... comprises three basic parts : a circular spline, a flexspline, and a wave generator. Its use is limited to low power applications and reduction rates below 300.

OBS

harmonic drive gearbox: term officially approved by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Engrenages et roues de friction
OBS

boîte de transmission à démultiplication harmonique : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères.

Spanish

Save record 2

Record 3 1984-11-02

English

Subject field(s)
  • Optics
  • Facilities and Instruments (Astronomy)
CONT

[Lidar] Mission 1 would be arranged around the scientific observation possibilities given by the Nd-YAG laser with the addition of a second harmonic generator, which would be also used to pump directly one or more dye lasers.

French

Domaine(s)
  • Optique
  • Installations et instruments (Astronomie)

Spanish

Save record 3

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