Results 21 to 30 of about 8,894 (204)
Enhanced Torque Control of a PMSM Supplied by a Four-Leg Voltage Source Inverter Using the Third Harmonic [PDF]
, 2008 This paper investigates an electrical drive composed of a four-leg voltage source inverter and a three-phase starconnected surface permanent magnet synchronous machine with concentrated windings. The inverter fourth leg is clamped to the neutral point of
GYSELINCK, Johan +2 more
core +6 more sources
Circuit Structure and Control Method to Reduce Size and Harmonic Distortion of Interleaved Dual Buck Inverter [PDF]
, 2020 A new circuit structure and control method for a high power interleaved dual-buck inverter are proposed. The proposed inverter consists of six switches, four diodes and two inductors, uses a dual-buck structure to eliminate zero-cross distortion, and ...
Cho, Min-Gi +4 more
core +1 more source
Improved Voltage Unbalance and Harmonics Compensation Control Strategy for an Isolated Microgrid
Energies, 2018 This paper suggests an enhanced control scheme for a four-leg battery energy storage systems (BESS) under unbalanced and nonlinear load conditions operating in the isolated microgrid.
Mohammad Jafar Hadidian Moghaddam +6 more
doaj +1 more source
Minimizing Neutral Current of Two Parallel STATCOMs
IEEE Access, 2022 This paper proposes control augmentations to allow two Static Synchronous Compensators (STATCOMs) devices to operate in parallel from a shared DC bus.
Umme Mumtahina +3 more
doaj +1 more source
P-resonant control for the neutral point of three phase inverter [PDF]
, 2014 In this project, a Proportional resonant (PR) current controller is proposed to maintain a balanced neutral point for a three-phase four wire inverter, which can be used in microgrid applications. The neutral-point circuit consists of a conventional
Omar Aashour, Omar Ali
core +1 more source
IEEE Access, 2021 With the increasing applications of grid-connected voltage source converters, it is important to analyze the impedance characteristic of the grid-connected system to implement the stability analysis of the grid connection operation.
Heng Nian +5 more
doaj +1 more source
Field results on developed three-phase four-wire shunt active power filters [PDF]
, 2009 -This paper presents three-phase four-wire Shunt Active Power Filters with ability to compensate current harmonics, power factor, and current unbalance. The power stage of the Active Power Filters is based on a two-level four-leg inverter.
Afonso, João L. +3 more
core +1 more source
Increasing voltage utilization in split-link, four-wire inverters [PDF]
, 2009 Three-phase four-wire inverters, with either three-leg or four-leg topology, are useful for interfacing distributed generation to networks of unbalanced loads, but neither of the available circuit topologies is ideal.
Feng, C, Green, TC, Liang, J, Weiss, G
core +1 more source
IET Renewable Power Generation, 2023 In a stand‐alone microgrid, voltage control is an important issue to keep the grid balanced under unbalanced load conditions. The other important challenges in microgrids include handling the neutral to the ground voltage (NGV) as well as total harmonic ...
Effat Ayoubi +4 more
doaj +1 more source
Understanding the three and four-leg inverter Space Vector [PDF]
, 2016 This paper shows a new point of view of the classical voltage space vectors and its implications on three and four-leg converters. It is easy to find in the literature, authors using bi-dimensional and threedimensional representations of the converter ...
Heredero Peris, Daniel +3 more
core +1 more source