Performance evaluation of a 3-level ANPC photovoltaic grid-connected inverter with 650V SiC devices and optimized PWM [PDF]
, 2016 Photovoltaic (PV) energy conversion has been on the spotlight of scientific research on renewable energy for several years. In recent years the bulk of the research on PV has focused on transformerless grid-connected inverters, more efficient than ...
Barater, Davide +5 more
core +2 more sources
Case Studies in Thermal Engineering, 2019 As a system, the explosion-proof three-level NPC (Neutral-Point-Clamped) converter has the characteristics of nonlinear, high complexity, and multiple thermal electromagnetic fields, among which multiple magnetic fields interfere with each other and ...
Shi-Zhou Xu, Yu-Feng Peng, Shao-Yu Li
doaj +1 more source
Dual-transformer-based hybrid resonant three-level ZCS converter
Energy Reports, 2021 A hybrid resonant three-level converter comprised of dual transformers is proposed in this paper, which is suitable for the application of distributed photovoltaic power accessing the medium voltage dc distribution network.
Syed Waqar Azeem +4 more
doaj +1 more source
Comparison between two VSC-HVDC transmission systems technologies : modular and neutral point clamped multilevel converter [PDF]
, 2009 The paper presents a detail comparison between two voltage source converter high voltage dc transmission systems, the first is based on neutral point-clamped (also known as HVDC-Light) and the second is based on innovative modular multilevel converter ...
Adam, G.P. +5 more
core
Voltage balancing in three-level neutral-point-clamped converters via Luenberger observer [PDF]
, 2014 This paper addresses the problems associated with the dc-link capacitor voltages of the three-level neutral-point-clamped power converter: the imbalance of the capacitor voltages as well as the presence of an ac-voltage low-frequency oscillation in the ...
Gordillo Álvarez, Francisco +5 more
core +2 more sources
Applied Sciences, 2022 In this article, a three-phase modular multilevel converter (MMC) with three-level neutral point clamped converter (NPC) sub-modules (SMs) along with the placement of transformers in place of arm inductors is proposed for PV grid integration. Compared to
Suresh Mikkili +3 more
doaj +1 more source
An Advanced Three-Level Active Neutral-Point-Clamped Converter With Improved Fault-Tolerant Capabilities [PDF]
, 2017 A resilient fault-tolerant silicon carbide (SiC) three-level power converter topology is introduced based on the traditional active neutral-point-clamped converter.
He, Jiangbiao +2 more
core +1 more source
Cost and losses associated with offshore wind farm collection networks which centralise the turbine power electronic converters [PDF]
, 2013 Costs and losses have been calculated for several different network topologies, which centralise the turbine power electronic converters, in order to improve access for maintenance.
Anaya-Lara, Olimpo, Parker, Max
core +1 more source
Modular Multilevel Converter for Low-Voltage Ride-Through Support in AC Networks
Energies, 2021 New grid-connected systems have imposed additional requirements regarding reliability, power quality, high levels of power processing capacity, and fault support, where power converters have a crucial role in fulfilling these requirements. Overcoming one
Victor Ramon França Bezerra de Souza +2 more
doaj +1 more source
Multilevel Converters: An Enabling Technology for High-Power Applications [PDF]
, 2009 | Multilevel converters are considered today as the state-of-the-art power-conversion systems for high-power and power-quality demanding applications.
García Franquelo, Leopoldo +6 more
core