Overview of grid-connected two-stage transformer-less inverter design
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Modern Power Systems and Clean Energy"
DOI: 10.1007/s40565-017-0367-z
Abstract: This paper gives an overview of previous studies on photovoltaic (PV) devices, grid-connected PV inverters, control systems, maximum power point tracking (MPPT) control strategies, switching devices and transformer-less inverters. The literature is classified based on… read more here.
Keywords: transformer less; connected two; power; grid connected ... See more keywords
Transformer-less five-level high-voltage full-scale converter with a self-balance auxiliary circuit for 10 MW wind turbines
Sign Up to like & getrecommendations! Published in 2017 at "Iet Power Electronics"
DOI: 10.1049/iet-pel.2017.0007
Abstract: A novel transformer-less five-level (5L) high-voltage full-scale converter is proposed for 10 MW wind turbines. In this scheme, a unidirectional sinusoidal 5L-Vienna rectifier is used as a variable-speed controller at the generator side, and a… read more here.
Keywords: transformer less; auxiliary circuit; converter; less five ... See more keywords
Load Balancing of a Modular Multilevel Grid-Interface Converter for Transformer-Less Large-Scale Wireless Electric Vehicle Charging Infrastructure
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2020.3043211
Abstract: This article analyzes the requirements for load balancing of a new transformer-less grid-interface topology for large-scale electric vehicle (EV) charging infrastructures. The proposed configuration utilizes a modular multilevel converter (MMC) to supply wireless EV chargers… read more here.
Keywords: transformer less; large scale; load balancing; infrastructure ... See more keywords
Analysis and Control of a Novel Transformer-Less Microinverter for PV-Grid Interface
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of Photovoltaics"
DOI: 10.1109/jphotov.2018.2825298
Abstract: In this paper, a novel single-phase, transformer-less microinverter configuration derived from the basic $ \ddot{\text C}$uk topology is proposed for photovoltaic (PV)-grid interface applications. The topology has a direct connection between the grid neutral and… read more here.
Keywords: transformer less; topology; less microinverter; grid interface ... See more keywords
Fast Automatic Tuning of a Synthetic Inductor for Automotive Transformer-Less Ultrasonic Sensor in Park Assist Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2019.2932300
Abstract: This paper presents a novel shunt tuning method suitable for transformer-less ultrasonic sensors in park assist systems. The method enables tuning of an inductive part of LR shunt that is used for a transducer damping.… read more here.
Keywords: resonance frequency; less ultrasonic; resonance; park assist ... See more keywords
A Highly Accurate Mathematical Model for Analyzing Modular Multilevel Converters in Transformer-Less Applications
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14122498
Abstract: Transformer-less connection schemes can provide a feasible solution for lowering the economic cost, occupied space, and device weight of modular multilevel converter (MMC) systems. However, due to the reduction in the converter transformer, the current… read more here.
Keywords: modular multilevel; mathematical model; highly accurate; transformer less ... See more keywords