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A large area (150mm) high voltage (6.5kV) Reverse Conducting-Integrated Gate Commutated Thyristor (RC-IGCT) has been developed for low frequency high power electronics applications. The devices were fabricated with GCT to diode active area ratio of 1.4. The RC-IGCT wafers were designed with an outer ring gate structure to minimize the stray impedance for the gate signal and also to improve the thermal...
Modular multilevel converters (MMCs) require isolated power supplies at their cells (modules). For high voltage MMC cells with considerable power consumption, simple flyback converters are no more applicable as power supplies; however, input-series output-parallel (ISOP) flyback converters are suitable provided that simplicity and cost-effectiveness are preserved. In this paper, a simple 100W 2.8kV-to-36V...
The presentation describes PEBB based demonstrator for medium voltage high pulsed power application developed under cooperative agreement between ONR and major industrial company. It demonstrates that PEBB concept allows economically utilize existing commercial off-the-shelf (COTS) technology for unique military application, the effectiveness of the PEBB's plug-and-play concept and PEBB concept ability...
In this paper, the fundamental features of the arc stability in nonferrous metal AC arc furnace have been investigated, from the converter point of view. Due to the limited access to the measured arc data from the arc furnaces, the advanced arc simulations of magnetohydrodynamics (MHD) and the well known Cassie-Mayr arc model have been extensively used. The MHD based arc simulation has been validated...
The Power Electronics Building Block (PEBB) concept is a platform-based approach where basic building blocks are consistent with one another, have a defined functionality, standardized hardware&control interfaces. Adoption of building blocks for multiple applications, results in high volume production, and reductions in engineering effort, design testing, onsite installation and maintenance work...
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