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Showing 1 to 12 of 12 for “"three-phase converters"”.
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DQ-Frame Small-Signal Stability Analysis of AC Systems with Single-Phase and Three-Phase Converters
The widespread integration of power converters in applications such as microgrids and data centers has introduced significant stability challenges. This dissertation presents a novel approach to modeling and comprehensive stability analysis for both single-phase and three-phase converters, …
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Three-phase power conversion using soft-switching PWM techniques
… related to high-frequency soft-switching PWM three-phase power converters. These are: 1. Analysis, synthesis, and design of three-phase soft-switching PWM power converter topologies 2. Design of input EMI filters for three-phase converters 3. Design of microprocessor controllers for …
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Modified Space Vector Modulation for a Zero-Voltage Transition Three-Phase to DC Bi-directional Converter
… algorithm for a zero-voltage transition three-phase voltage source inverter/boost rectifier is presented. The converter is intended for high performance medium power applications requiring bi-directional power flow. The proposed modified space vector modulation allows the main switches to …
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A Dq Rotating Frame Controller for Single Phase Full-Bridge Inverters Used in Small Distributed Generation Systems
… side to the load side via power electronic converters in the system. At low and medium power applications, the task is often left to single phase inverters where they are the only interface between sources connected to DC bus and loads connected to an AC bus. Much has been done for the …
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Circuits and Modulation Schemes to Achieve High Power-Density in SiC Grid-connected Converters
… beyond this limit. In this dissertation, three key factors are selected to increase the power density of SiC-based grid-connected three-phase converters. Throughout this dissertation, the techniques and strategies to increase the power density of SiC three-phase converters were …
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A Three-Phase Single-Stage AC-DC ZVZCS PWM Full-Bridge Converter
It is standard practice to use two separate power converters to convert an ac input voltage to a desired and isolated dc output voltage. A front-end ac-dc converter is used to convert the input ac voltage into an intermediate dc voltage which is then fed into a dc-dc converter with transformer …
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A Three-Phase Single-Stage AC-DC ZVZCS PWM Full-Bridge Converter
It is standard practice to use two separate power converters to convert an ac input voltage to a desired and isolated dc output voltage. A front-end ac-dc converter is used to convert the input ac voltage into an intermediate dc voltage which is then fed into a dc-dc converter with transformer …
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Modeling and Control of Parallel Three-Phase PWM Converters
… studies modeling and control issues of parallel three-phase pulse-width modulated (PWM) converters. The converters include three-phase boost rectifiers, voltage source inverters, buck rectifiers and current source inverters. The averaging of the parallel converters is performed based on a generic …
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Passive Component Weight Reduction for Three Phase Power Converters
… transportation systems, and the power grid. Three-phase voltage source converters (VSCs) have become the converter of choice in many ac medium- and high-power applications due to their many advantages, such as high efficiency and fast response. For transportation applications, high power …
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PERMANENT MAGNET MULTIPHASE MACHINE MODELING AND CONTROL FOR MV WIND ENERGY APPLICATIONS
… isolate the machine from the grid, the number of phases on both sides no longer needs to be the same, thus allowing for use of multiphase machines. Several studies have shown that multiphase machines can yield lower torque ripple, provide higher torque per phase current, and that they can continue …
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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
The trend in power electronics converters is to be highly efficient, compact, reliable, and cost-effective. Conventionally, power converters supply or consume power from the low-voltage utility, which impacts the size and efficiency of the system. For example, the recent proliferation of electric …
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Multi-resonant converters as photovoltaic module integrated maximum power point tracker
… consists of modules with module-integrated DC-DC converters, feeding into one DC-distribution line in parallel. Since grid connection and metering is performed in a central unit, the critical DC-DC converter is designed to minimum functionality, i.e. maximum power point tracking, safety and …