Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Solid State Transformers"”.
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Islanding and Seamless Reconnection of Multiple Solid-State Transformers Based On Droop Control
North Carolina State University Theses Electrical and Computer Engineering.
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High-Frequency Transformer Design for Solid-State Transformers in Electric Power Distribution Systems
… transformer design methodology for Solid-State Transformer (SST) applications. SSTs have been proposed as a replacement of the traditional 50/60 Hz transformer in applications demanding high-power density. Moreover, due to the high penetration of distributed generation, DC grids, …
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Stability design criteria and volt var control for distribution system with single phase solid state transformers
… Conventional single phase distribution transformers are replaced by solid state transformers (SST) in a distribution test system to investigate their interactive dynamics. Under certain circumstances, instabilities due to harmonic resonance are observed. A design criterion for solid …
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Design and implementation of Silicon-Carbide-based Four-Switch Buck-Boost DCDC Converter for DC Microgrid Applications
… chargers, battery energy storage systems, and solid-state transformers (SST), the bi-directional high-power DC-DC converter plays a more significant role in the renewable energy industry. To satisfy the requirements of the high-power bi-directional wide-range DC-DC converter, different …
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Enhanced protection and location techniques for enabling wider implementation of LVDC distribution networks
… Recently, new converter technologies such as solid-state transformers (SST) have been implemented, their unique fault characteristics introducing new requirements in understanding the impact of new converters. This is presenting the need for new recommendations and guidelines, and for …
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Topologies and control estrategies of multiport modular multinivel converters
… Flexible AC Transmission Systems (FACTS) and Solid State Transformers (SST) have the potential to cope with these challenges. Multilevel converters are well suited for medium-high voltage and power ranges which are required for electronic power converters connected to medium voltage electrical …
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A Pseudo-Binary Cascaded H-bridge Converter for Solid-State Transformer Applications and Modulation Techniques for the Minimization of the Common-Mode Voltage
… it is one of the prevalent topologies for MV solid-state transformers (SSTs) The asymmetrical hybrid binary CHB (HBCHB) allows increased output voltage levels at the expense of modularity. Based on the HBCHB, a converter new modular topology regarded as the pseudo-binary CHB (PBCHB) is …
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Design, Modeling and Analysis of an AC-AC Dual Active Bridge Converter
<p>"The Solid-State Transformer (SST) is gaining attention as an alternative to conventional iron-core transformers in the power electronic community. The power industry's increasing demands for smaller size, higher efficiency, and greater energy density have made the SST an attractive option. …