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Showing 1 to 20 of 30 for “"Galvanic isolation"”.
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Fully Integrated Data and Power Transfer Systems with Galvanic Isolation
… principal activity was focused on the design of galvanically isolated integrated systems as a part of a research project at the RF ADC by exploiting STMicroelectronics technology platforms providing on chip galvanic isolation. This technology was previously addressed to the implementation of …
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Fully integrated dc-dc converters with basic and double galvanic isolation
… based on discrete components. Consequently, galvanically isolated interfaces are becoming an interesting research topic for both industry and academia, since integrated systems performing power and/or data transfer through a galvanic isolation barrier are largely demanded in a wide range of …
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Galvanic isolation interface and gate driver for power switching systems in GaN technology [Interfaccia di isolamento galvanico e gate driver per sistemi di commutazione di potenza in tecnologia GaN]
… principali includono lo sviluppo di interfacce galvanicamente isolate completamente integrate, amplificatori operazionali ad alte prestazioni e circuiti innovativi per pilotaggio di gate. Inoltre, la tesi introduce tecniche innovative per affrontare le sfide associate ai dispositivi GaN, come …
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High performance amplifier topologies implemented with a micro-machined vibrating capacitor
… vibrating capacitor input stage. It will provide galvanic isolation and up-modulation of the input signal as it vibrates. The galvanic isolation facilitates low-leakage inputs and a very wide input common mode voltage range. The up-modulation provides a means for achieving a low input referred …
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Variable Ratio Matrix Transformer based LLC Converter for Two-Stage Low-Voltage DC-DC Converter Efficiency Improvement
… (12.5V~15.5V) for the vehicle auxiliary systems. Galvanic isolation is required in the LDC due to safety considerations. Three challenges exist in the LDC design: (1) wide regulation range; (2) high output current; (3) thermal management. The single stage solutions, such as phase-shift full-bridge …
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Evaluation and Design of a SiC-Based Bidirectional Isolated DC/DC Converter
Galvanic isolation between the grid and energy storage unit is typically required for bidirectional power distribution systems. Due to the recent advancement in wide-bandgap semiconductor devices, it has become feasible to achieve the galvanic isolation using bidirectional isolated DC/DC converters …
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A Wide-Bandwidth Galvanically Isolated Current Sensor with Frequency Modulation
Highly-integrated galvanically isolated current sensing solutions are required to satisfy the demands arising from recent developments in areas such as electric vehicles, smart homes and industrial electronics. These sensors must also be able to provide measurements for wide bandwidths and with …
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Serial digital multiplexing of transducer data for intrinsically safe applications
The galvanic isolation of fibre optic transmission offers a distinct advantage in the design of a telemetry system to meet intrinsic safety requirements. So far the usage of fibre optics in instrumentation systems has been largely confined to the implementation of point to point links due to the …
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Design of High-Performance Piezoelectric Transformer-Based DC-DC Converters
… for power converter miniaturization. PTs offer galvanic isolation and voltage transformation like traditional magnetic transformers, but have more advantageous power scaling properties at low volumes. Despite these advantages, most attempts at magnetic-less PT-based dc-dc converters have limited …
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Series DC Arc Fault Detection for a Grid-Tie Solar PV Power Generation System
… using an analog-to-digital converter with Galvanic isolation, is filtered using a wavelet-based, two-level filter bank. The filter bank, referred to as the post-processing filter, improves the robustness of the algorithm to any false tripping by rejecting power converter harmonics that are …
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Resonant UPS topologies for the emerging hybrid fiber coaxial networks
… specific types of UPS topologies. For example, galvanic isolation for the load and the battery, small size, high input power factor, and trapezoidal output voltage waveforms are among the required features of UPS topologies for hybrid fiber-coaxial networks. None of the conventional UPS …
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Design of a 405/430 kHz, 100 kW Transformer with Medium Voltage Insulation Sheets
… >400 kHz, 100 kW transformer which will provide galvanic isolation in a Solid-State Transformer (SST) based PEBBs while maintaining high efficiency, high power density, and reduced size. This work aims to present a simplified design process for high frequency transformers, highlighting the …
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Miniaturization of Ac-Dc power converters for grid interface
… range from 12-48 V), harmonic current limits and galvanic isolation. The focus of this work is in the reduction in volume of ac/dc converters while keeping efficiency constant or improving it, which is challenging to achieve while meeting all the specifications. The thesis breaks down the …
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Optically Controlled High Power High Speed Wide Band Gap Devices
… optical driving mechanism provides complete galvanic isolation as well as enhances the reliability and EMI immunity of the whole system. </p> <p> This research work discusses the effort in developing this technology through design, processing and experiments with wide bandgap materials. …
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Analysis And Optimal Design Method of LCLC Resonant Tank for Bidirectional DC-DC Resonant Converter And LCLC Resonant Converter's Efficiency Performance in Wireless Low Power Transfer Applications
… power transfer (WPT) technology provides galvanic isolation for improved safety and also provides reliability by eliminating the need for dedicated connectors/adapters that can get damaged due to frequent usage. For these reasons, it has become popular in medical implant charging and …
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High efficiency resonant dc/dc converter for solar power applications
… levels. The converter implementation provides galvanic isolation and enables large (greater than 1:10) voltage conversion ratios, making the system suitable for large step-up conversion in applications such as distributed photovoltaic converters. Three 200 W prototypes were designed, built and …
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Applied high resolution digital control for universal precision systems
… provide an initialization sequence, and digital galvanic isolation. LabVIEW FPGA code demonstrates arbitrary transfer function control implementation.
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PERMANENT MAGNET MULTIPHASE MACHINE MODELING AND CONTROL FOR MV WIND ENERGY APPLICATIONS
… winding machines show an additional benefit, galvanic isolation between the windings. By connecting one three-phase converter to each of the three-phase windings of the machine, the increased availability of paralleling converters is obtained while the problem of the circulating current …
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Design, Modeling and Analysis of an AC-AC Dual Active Bridge Converter
… for its bidirectional power flow capability and galvanic isolation, primarily in the DC application space. Advancements in semiconductor technologies have introduced new bidirectional switches, opening avenues for novel SST topologies. This research investigates the application of the DAB as a …
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MEMS relays for make-break power switching applications : {111} silicon etched planar electrical contacts
… solid state switches, mechanical relays provide galvanic isolation across the power ports. This characteristic is important because, for safety reasons, electrical codes stipulate that loads in certain power applications must be disconnected by open gaps. This requirement imposes significant …
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