| 摘要 |
<p>It is presented power converter (l) for transferring power between a high voltage DC connection (71) and a high voltage AC connection (70, 70a-c). The power converter (1) comprises a power converter assembly (9) comprising: an upper converter arm (3a), an outer upper director switch (S2), an inner upper director switch (S1), an inner lower director switch (S1'), an outer lower director switch (S2'), and a lower converter arm (3b), connected serially in the mentioned order between the positive and negative terminals of the DC connection (71); and a clamping link (7) comprising at least one centre converter arm (3c, 3d, 3e). A mid point (D) of the clamping link (7) is connected to a neutral point (C).</p> |
