Method and system for reducing switching losses in a...

H - Electricity – 02 – M

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H02M 5/458 (2006.01)

Patent

CA 2726056

A method of reducing switching losses in a power supply includes the steps of advancing the output voltage of a first pole of a power cell by a first angle, retarding the output voltage of a second pole of the power cell by a second angle, and producing a combined output voltage of the power cell equal to a positive pulse of a duration angle equal to the sum of the first angle and the second angle for a first half of a switching cycle of the power cell, and equal to a negative pulse of a duration angle equal to the sum of the first angle and the second angle for a second half of the switching cycle of the power cell.

L'invention concerne un procédé permettant de réduire les pertes de commutation dans une alimentation électrique, ledit procédé consistant à avancer d'un premier angle la tension de sortie d'un premier pôle d'un élément, à retarder d'un second angle la tension de sortie d'un second pôle de l'élément et à produire une tension de sortie combinée de l'élément égale à une impulsion positive d'un angle de durée égal à la somme du premier angle et du second angle pour une première demi-période de commutation de l'élément, et égale à une impulsion négative d'un angle de durée égal à la somme du premier angle et du second angle pour une seconde demi-période de commutation de l'élément.

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