Results 251 to 260 of about 30,101 (306)
A Solid State Transformer model for power flow calculations [PDF]
International Journal of Electrical Power and Energy Systems, 2017 This paper presents the implementation of a Solid State Transformer (SST) model in OpenDSS. The goal is to develop a SST model that could be useful for assessing the impact that the replacement of the conventional iron-and-copper transformer with the SST
Gerardo Guerra, Juan A Martinez-Velasco
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1980 IEEE Power Electronics Specialists Conference, 1980
This paper describes a solid state step up/down transformer system which also provides AC output voltage regulation. It uses PWM AC power switching to achieve high efficiences and uses no large inductive components. Its performance has been verified by extensive computer simulation of the entire system and breadboard testing of several of the key ...
J. C. Bowers +3 more
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This paper describes a solid state step up/down transformer system which also provides AC output voltage regulation. It uses PWM AC power switching to achieve high efficiences and uses no large inductive components. Its performance has been verified by extensive computer simulation of the entire system and breadboard testing of several of the key ...
J. C. Bowers +3 more
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Amorphous-to-Quasicrystalline Transformation in the Solid State
Physical Review Letters, 1985${\mathrm{Al}}_{84}$${\mathrm{Mn}}_{16}$ multilayer films have been amorphized by room-temperature ion-beam irradiation. The amorphous phase was transformed into the quasicrystalline state through two routes: thermal and ion-beam-assisted thermal. The intensity of the quasicrystalline electron diffraction increases continuously with annealing between ...
, Lilienfeld +4 more
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2018
Die Autoren danken Herrn MSc ETH Thomas Guillod fur Berechnungen und Simulationen zur den Skalierungsgesetzen von Mittelfrequenztransformatoren und Dr. sc. ETH Gabriel Ortiz, ABB-Forschungszentrum Schweiz, fur Diskussionen zu Schaltungstopologien und Einsatzbereichen von Solid-State-Transformer-Systemen.
Dierk Schröder, Rainer Marquardt
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Die Autoren danken Herrn MSc ETH Thomas Guillod fur Berechnungen und Simulationen zur den Skalierungsgesetzen von Mittelfrequenztransformatoren und Dr. sc. ETH Gabriel Ortiz, ABB-Forschungszentrum Schweiz, fur Diskussionen zu Schaltungstopologien und Einsatzbereichen von Solid-State-Transformer-Systemen.
Dierk Schröder, Rainer Marquardt
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Soft-switching solid state transformer (S4T)
2016 IEEE Energy Conversion Congress and Exposition (ECCE), 2016This paper presents a new topology for a fully bidirectional soft-switching solid state transformer (S4T). The minimal topology, featuring 12 main devices and a high-frequency transformer, does not use an intermediate DC voltage link, and provides sinusoidal input and output voltages. The S4T can be configured to interface with two-or multi-terminal DC,
Hao Chen, Deepak Divan
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Auxiliary power supply for solid state transformers
2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016This paper discusses different ways to obtain an auxiliary power supply (APS) to a solid state transformer (SST) that utilizes the modular AC-DC-DC-AC configuration. A local distributed source, that consists of two APS per module, one for medium voltage (MV) side and another one for low voltage (LV) side is proposed.
Leandro B. Kehler +5 more
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Middle Frequency Transformer Investigation for Solid-State Transformer
2018 International Conference on Smart Grid (icSmartGrid), 2018This paper investigates the middle frequency transformer for the solid-state transformer. It is expected to be used in the traffic and power system. One of the key technologies is the solid-state transformer. The 3kHz, 5kVA transformers with some different core materials are manufactured.
Noriyuki Kimura, Toshimitsu Morizane
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Review on the Development of Solid State Transformer
2021According to future renewable electric energy distribution and management (FREEDM) system, solid state transformers play an important role in smart grid technologies. They have several advantages over conventional transformers such as bi-directional power flow, light in weight, compact size, etc.
Bharat Bhushan Khare +3 more
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Solid-state transformer topology selection
2009 IEEE International Conference on Industrial Technology, 2009This paper considers the design criteria of the solid-state transformer circuit, with special focus on the high voltage side. Three plausible multilevel converter configurations are identified and compared in terms of cost and voltage balance requirements.
Wim van der Merwe, Toit Mouton
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2016
Abstract Eutectoid and peritectoid transformations are classified as solid-state invariant transformations. This article focuses primarily on the structures from eutectoid transformations with emphasis on the classic iron-carbon system of steel. It reviews peritectoid phase equilibria that are very common in several binary systems.
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Abstract Eutectoid and peritectoid transformations are classified as solid-state invariant transformations. This article focuses primarily on the structures from eutectoid transformations with emphasis on the classic iron-carbon system of steel. It reviews peritectoid phase equilibria that are very common in several binary systems.
openaire +1 more source