Systems and methods for distributed series compensation of...

H - Electricity – 01 – F

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H01F 17/06 (2006.01) H01H 47/00 (2006.01) H02H 3/00 (2006.01) H02H 9/00 (2006.01) H02H 9/08 (2006.01) H04B 3/28 (2006.01) H04B 3/30 (2006.01) H04B 3/32 (2006.01)

Patent

CA 2596369

Systems and methods for implementing line overload control via providing distributed series impedance are disclosed. One system, amongst others, comprises at least one distributed series reactor (DSR). Each DSR comprises a single turn transformer (SST) comprising two split-core sections (132), a winding (120), and an air-gap (138), the air-gap designed such that a magnetizing inductance is produced when the two split-core sections (132) are clamped around a conductor (108). Each DSR further comprises a contact switch (122) that short circuits the winding when the contact switch (122) is in a closed condition, a power supply (128) that derives power from conductor line current, and a controller (130) configured to open the contact switch when the conductor line current reaches a predetermined value, thus causing insertion of the magnetizing inductance into the conductor. The controller (130) may be further configured to close the contact switch (122) when the conductor line current drops below the predetermined value.

Systèmes et méthodes d~implémentation d~un contrôle de surcharge de ligne grâce à des impédances série distribuées. Un système, parmi d~autres, comprend au moins un DSR (distributed series reactor, réacteur série distribué). Chaque DSR comprend un SST (single turn transformer, transformateur à un tour) comprenant deux sections de noyau fendu (132), un enroulement (120) et un entrefer (138), l~entrefer étant conçu de façon à ce qu~une inductance de magnétisation soit produite lorsque les deux sections de noyau fendu (132) sont pincées autour d~un conducteur (108). Chaque DSR comprend, en outre, un commutateur de contact (122) qui court-circuite l~enroulement lorsque le commutateur de contact (122) est en l~état fermé, une alimentation (128) dérivant de l~énergie d~un courant de ligne de conducteur et un contrôleur (130) configuré pour ouvrir le commutateur de contact lorsque le courant de ligne de conducteur atteint une valeur prédéterminée, causant ainsi l~insertion de l~inductance de magnétisation dans le conducteur. Le contrôleur (130) peut, en outre, être configuré pour fermer le commutateur de contact (122) lorsque le courant de ligne de conducteur passe en dessous de la valeur prédéterminée.

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