Dynamic power and voltage regulator for an ac transmission line

Details Dynamic power and voltage regulator for an ac transmission line Dynamic power and voltage regulator for an ac transmission line

H - Electricity

02

J

H02J 3/18 (2006.01)

Patent

CA 2211710

Apparatus (9) for providing reactive compensation and positive real power compensation in an ac electric power transmission system (1), utilizes a solid state inverter (11) to inject a series compensation voltage into the transmission line at a controllable magnitude and a controllable phase angle between + or -90 electrical degrees relative to transmission line current. The positive real power needed by the inverter (11) is drawn from the transmission line (3) by a rectifier (19) shunt connected to the line (3).

Dispositif (9) servant à réaliser une compensation réactive et une compensation positive en puissance réelle dans un système de transmission de courant alternatif (1) et utilisant un onduleur à semi-conducteurs (11) afin d'injecter une tension de compensation de série dans la ligne de transmission à une intensité et à un angle de phase pouvant êre commandés, l'angle de phase étant situé entre + ou - 90 degrés électriques par rapport au courant de la ligne de transmission. La puissance réelle positive nécessaire à l'onduleur (11) est tirée de la ligne de transmission (3) par un redresseur (19) relié en dérivation à la ligne (3).

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