A capacitance reduction method of hybrid modular multilevel converter based on multi‐harmonic voltage injection
Sign Up to like & getrecommendations! Published in 2024 at "IET Power Electronics"
DOI: 10.1049/pel2.12722
Abstract: In a modular multilevel converter (MMC) system, the sub‐module (SM) capacitors account for a large proportion of cost, volume and weight. Increasing modulation index (m) is an effective method to reducing the capacitance. Traditional MMC… read more here.
Keywords: method; mmc; harmonic voltage; voltage injection ... See more keywords
Second-harmonic voltage response in high-temperature superconductor Bi2Sr2CaCu2O8+δ at zero magnetic field
Sign Up to like & getrecommendations! Published in 2025 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/ae0b02
Abstract: The second-harmonic voltage response in superconductors represents an unconventional transport phenomenon that signals critical current asymmetry and potential superconducting diode effects. In this work, we systematically investigate this response in optimally doped cuprate high-temperature superconductor… read more here.
Keywords: field; harmonic voltage; response; high temperature ... See more keywords
Modeling and Experimental Validation of a Single-Phase Series Active Power Filter for Harmonic Voltage Reduction
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2947917
Abstract: Research advances on renewable energy systems have increased the interest in the use of isolated power supplies composed of power converters based on high-frequency transformers. Such power equipment generally presents high internal impedance, which amplifies… read more here.
Keywords: voltage; active power; power; series active ... See more keywords
A Novel Third-Harmonic Voltage Protection Method for the Generator Stator Ground Fault of Nuclear Power Plant's Rotating Asynchronous Machine
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2024.3479286
Abstract: The nuclear power plant's rotating asynchronous machine (RAM) is the sole power supply system of the control rod drive mechanism (CRDM). The current RAM's protection system consists of traditional discrete relays, which have low reliability… read more here.
Keywords: protection; harmonic voltage; third harmonic; power ... See more keywords
Contactless Voltage Distortion Measurement Using Electric Field Sensors
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Smart Grid"
DOI: 10.1109/tsg.2017.2693272
Abstract: The measurement of harmonic voltage distortions in medium and high voltage systems is always regarded as a challenging task. For transmission systems, the widely used capacitor voltage transformers offer inadequate frequency responses for harmonic measurement.… read more here.
Keywords: voltage; measurement; harmonic voltage; field sensors ... See more keywords