Ac power controller

Details Ac power controller Ac power controller

H - Electricity

02

H

H02H 9/02 (2006.01) H02H 9/04 (2006.01) H03K 17/687 (2006.01)

Patent

CA 2171187

AC power controller which operates at least with two reverse-connected series semiconductor regions (1, 2). Each semiconductor region (1; 2) has an electron donor (3; source), an electron sink (4; drain) and an electrode (5; gate) which controls the flow of electrons, in conjunction with characteristic curves such as those exhibited by FETs. The semiconductor region also has internal body diodes, dictated by the technology. It is provided that the gate-source voltage (6; 7) at the respective semiconductor region (1; 2) in the forward direction is set to be large enough for a desired limiting of the drain-source current to be established. The gate-source voltage (7; 6) at the semiconductor region in the inverse mode (2; 1) is set to be large enough for the body diode (8) to remain de-energized.

Régulateur de courant alternatif fonctionnant au moins avec deux régions semi-conductrices antisérielles (1; 2). Chaque région semi-conductrice (1; 2) présente un donneur d'électrons (3; source), un collecteur d'électrons (4; drain) et l'électrode contrôlant le flux électronique (5; grille), avec des courbes caractéristiques identiques à celles des FET. Technologiquement, la région semi-conductrice présente également des diodes internes de substrat. Il est prévu que dans chaque région semi-conductrice (1; 2), la tension grille-source (6; 7) dans le sens de conduction soit établie à une grandeur telle qu'il s'instaure une limitation voulue du courant drain-source. Dans la région semi-conductrice en mode inverse (2; 1), la tension grille-source (7; 6) est réglée à une grandeur telle que la diode de substrat (8) soit encore sans courant.

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