Device for feeding an electric load

Details Device for feeding an electric load Device for feeding an electric load

H - Electricity

02

J

H02J 1/00 (2006.01) H02M 3/155 (2006.01) H05B 39/04 (2006.01)

Patent

CA 2167695

For feeding an ohmic, inductive or capacitive load, needle pulse trains are employed, with the needle pulses thereof having a duration of less than 1 milli- second. Due to pulse amplitudes which are by far higher in relation to the nominal voltage of the load, considerable increases in efficiency can be achieved, however, without damaging the load or impairing its useful life. The needle pulses are of constant ampli- tude and the same polarity. The ratio between pulse voltage and nominal voltage is always higher than 1.7.

Afin d'alimenter une charge ohmique, inductive ou capacitive, on utilise des trains d'impulsions en pointe dont les impulsions en pointe durent moins d'une milliseconde, ce qui permet d'augmenter considérablement les rendements par des amplitudes d'impulsion correspondant à un multiple de la tension nominale de la charge, sans que cette dernière en soit altérée ou que sa durée de vie en soit modifiée. Les impulsions en pointe ont une amplitude constante et la même polarité. Le rapport de la tension d'impulsion à la tension nominale s'élève toujours à plus de 1,7.

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