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Electrical performance of a low inductive 3.3kV half bridge IGBT module

Modern converter concepts demand increasing energy efficiency and flexibility in design and construction. Beside low losses, a minimized commutation inductance and clean switching are required for IGBT modules. Recently, the general concept for a low inductive and highly symmetric half bridge IGBT module for high power applications has been worked out. On this basis, we introduce the new high power module platform called XHP (FleXible High-Power Platform). In this work, we give an insight into the platform's scope and its benefits for application as well as the module design and its electrical performance. We compare IGBT switching characteristics of the XHP with the today's module standard IHV-B in typical converter applications and demonstrate a power density increase of 17% and a reduction of dynamic losses of nearly 10% for the XHP. Additionally, an improved oscillation behavior is achieved.

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• 04/11/2015