H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 7/49 (2007.01)
Patent
CA 2671818
The invention relates to a device (1) comprising: at least one phase module (2a, 2b, 2c) with an a.c. voltage connection (31,32,33) and at least one d.c. voltage connection (p,n), a phase module branch (6p1, 6p2, 6p3, 6n1, 6n2, 6n3) being arranged between each d.c. voltage connection (p,n) and the a.c. voltage connection (31,32,33) and each phase module branch (6p1, 6p2, 6p3, 6n1, 6n2, 6n3) having a series circuit of sub-modules (7), each of which has an energy accumulator (8) and at least one power semiconductor (T1,T2); and regulating means for regulating the device. The aim of the invention is to provide a device that can regulate circulating currents in a targeted manner. To achieve this, each phase module (2a, 2b, 2c) has at least one inductance (Lkr) and the regulating means are designed to regulate a circulating current that flows through the phase modules (2a, 2b, 2c).
L'invention concerne un dispositif (1) pour transformer un courant électrique, comprenant : au moins un module de phase (2a, 2b, 2c) qui présente un branchement de tension alternative (31,32,33) et au moins un branchement de tension continue (p, n), sachant qu'une branche de module de phase (6p1, 6p2, 6p3, 6n1, 6n2, 6n3) est formée entre chaque branchement de tension continue (p, n) et le branchement de tension alternative (31,32,33), et sachant que chaque branche de module de phase (6p1, 6p2, 6p3, 6n1, 6n2, 6n3) dispose d'un montage en série de sous-modules (7) qui présentent chacun un accumulateur d'énergie (8) et au moins un semi-conducteur de puissance (Tl, T2); et des moyens de régulation pour réguler le dispositif. L'invention vise à fournir un tel dispositif (1) qui permette de réguler de manière dirigée des courants circulaires. A cet effet, chaque module de phase (2a, 2b, 2c) présente au moins une inductance (Lkr), sachant que les moyens de régulation sont conçus pour réguler un courant circulaire qui s'écoule via les modules de phase (2a, 2b, 2c).
Dommaschk Mike
Dorn Joerg
Euler Ingo
Lang Joerg
Soerangr Dag
Aktiengesellschaft Siemens
Smart & Biggar
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