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Robin Marián Werner

Mechanismen und Ursachen von Stromfehlverteilungen zwischen parallelen Hochvolt-IGBT

Universität Rostock, 2020

Abstract: Current imbalances occur between paralleled IGBTs. Those imbalances affect the performance of the parallel operation. This thesis describes mechanisms which lead to such imbalances for different situations. The considered situations are on-state with static and varying load currents, the turn-on and -off of the semiconductors, short circuit types I and II and the turn-off of short circuit currents. In addition to the mechanisms which lead to current imbalances in those situations, their causes are described.

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