System and method for control of a tcsc in an electricity...

H - Electricity – 02 – J

Patent

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H02J 3/18 (2006.01)

Patent

CA 2685157

The invention concerns a system and a method for command of a TCSC fitted to a high voltage line (40) in an electricity transport network. The system comprises: - a voltage measuring module (41), - a current measuring module (42), - a regulator (43) following a nonlinear command law, which receives the outputs of the two modules for measuring voltage and current, and a reference voltage corresponding to the voltage fundamental sought from the terminals of the TCSC, - an extraction module (44) for the command angle according to an extraction algorithm, - a command module (45) for thyristors (T1, T2) of the TCSC, which receives a zero current reference delivered by a phase lock loop giving the current position (46).

L' invention concerne un système et un procédé de commande d'un TCSC disposé sur une ligne haute tension (40) d'un réseau de transport d'énergie électrique. Le système comprend : - un module de mesure de tension (41), - un mode de mesure du courant (42), - un régulateur (43) selon une loi de commande non linéaire, qui reçoit en entrée les sorties des deux modules de mesure de tension et de courant, et une tension de référence correspondant au fondamental de la tension que l'on veut obtenir aux bornes du TCSC, - un module (44) d'extraction de l'angle de commande selon un algorithme d'extraction, - un module (45) de commande des thyristors (T1, T2) du TCSC, qui reçoit une référence de zéro courant délivrée par une boucle à verrouillage de phase donnant la position du courant (46).

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