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Skip to Search Results- 3Power electronics
- 2Current source converter
- 2PWM
- 2Pulse-width modulation
- 1Active power filter (APF)
- 1CMV
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A Distribution System Harmonic Compensation Approach Using DG-grid Interfacing Converters at Low Switching Frequency
DownloadFall 2015
In recent years, embedding ancillary functions of distributed generation (DG) have drawn great attention due to the increasing penetration of renewable energy based DG such as photovoltaic, wind turbines and fuel cells. Among these ancillary functions, harmonics compensation is becoming more...
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Spring 2016
The proliferation of power-electronic-based modern residential loads can produce excessive voltage and current waveform distortions in residential power distribution systems. With their unique advantages such as flexible control and dynamic compensation over traditional passive power filters...
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Advanced Selective Harmonic Elimination Pulse Width Modulation for High-Power Medium-Voltage Converters
DownloadSpring 2023
High-power medium-voltage converter play an indispensable role in various industrial applications. In high-power scenarios, there is a strict limitation on the switching frequency of the pulse width modulation (PWM) scheme to avoid excessive switching losses. The minimization of switching...
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Spring 2022
With the development of renewable energies, such as wind energy and solar energy, the dc power system becomes a promising candidate to manage and transfer the re-newable energy source, which stimulates the study of the dc-dc converters in the past decades. Among various dc-dc converters, the...
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Electromechanical Performance Comparison of Low-voltage Ride-through Methods for Variable Speed Wind Turbines
DownloadSpring 2021
The increasing penetration of the renewable wind energy systems and the decommissioning of the traditional fuel systems has resulted in an increasingly strict grid codes to circumvent issues with the grid’s stability and reliability. The low-voltage ride-through (LVRT) requirement is one of the...
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Fall 2011
Power converters are indispensable in modern energy conversion and utilization systems. For their control, there are two interesting topics: one is grid phase detection for their grid-tied operation; the other is harmonic detection for power quality improvement. Both problems involve sequence...
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Grid-Interfacing Converter System Leveraging Parallel Modularity and Interleaving Technique
DownloadSpring 2019
Grid-tied power converter system is the key link in many power conversion applications such as renewable energy power generation, changing of electric vehicle, and industry motor drives. The performance of the grid interfacing converter has a substantial impact on the overall performance of the...
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Spring 2011
Line current distortion is an important issue to a high-power current source rectifier(CSR) system. There are two main challenges related to this issue. First, the CSR input LC resonance can be affected by the variation of the source inductance from the power system and the effects of the CSR DC...
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High Power Converters for Current Source Converter-Type Series DC-Based Wind Energy Conversion System
DownloadFall 2024
The high-voltage direct current (HVDC)-based wind energy conversion system (WECS) currently used in the industry requires a large and expensive substation. An emerging technology called current source converter (CSC)-type series DC-based WECS, can eliminate the need for the bulky and costly...