Results 211 to 220 of about 3,032 (260)

A decentralized power injection-based approach for voltage imbalance mitigation in three-phase distribution networks. [PDF]

Sci Rep
Tsobze SK, Mbasso WF, Harrison A, Khishe M, Dagal I, Jangir P, Smerat A, Al-Gahtani SF, Elbarbary ZMS.   +8 more
europepmc   +1 more source

Distributed generation and shunt capacitor allocation in radial distribution power networks using a hybrid optimization approach. [PDF]

Sci Rep
Sundar R, Ashokaraju D, Dharmaraj T, Thangaraj D, Sabarish P, Rajakumar P, Mwanandiye ES.   +6 more
europepmc   +1 more source

A novel traveling-wave-based detection and self-healing approach for series faults in smart grids under renewable energy uncertainty. [PDF]

Sci Rep
Elsadd MA, Elezzawy AI, Kawady TA, Elkalashy NI, Elgamasy MM.   +4 more
europepmc   +1 more source

Stationary-frame power regulation for controlling grid-connected three-phase modular multilevel converter with low harmonic under unbalanced voltage.

Sci Rep
Akbari E.
europepmc   +1 more source

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Operation of Grid-Connected DFIG Under Unbalanced Grid Voltage Condition

IEEE Transactions on Energy Conversion, 2009
Doubly fed induction generator (DFIG) still shares a large part in today's wind power market. It provides the benefits of variable speed operation cost-effectively, and can control its active and reactive power independently. Crowbar protection is often adopted to protect the rotor-side voltage source converter (VSC) from transient overcurrent during ...
Pavol Bauer
exaly   +4 more sources

Advanced Control of Grid-Connected Current Source Converter Under Unbalanced Grid Voltage Conditions

IEEE Transactions on Industrial Electronics, 2018
There are technical challenges when the grid-connected current source converter operates under unbalanced grid voltage conditions. The negative sequence component of the unbalanced grid voltage would result in the low-frequency ripple at dc side, as well as current harmonics at ac side. It has an adverse impact on the system operation.
Xue Zhang, Xiaoqiang Guo
exaly   +2 more sources

Grid voltage modulated control of grid-connected voltage source inverters under unbalanced grid conditions

IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017
In this paper, an improved grid voltage modulated control (GVM) with power compensation is proposed for grid-connected voltage inverters when the grid voltage is unbalanced. The objective of the proposed control is to remove the power ripple and to improve current quality.
Mingshen Li, Yonghao Gui, Juan C. Vasquez 0001, Josep M. Guerrero   +3 more
openaire   +2 more sources

Unbalanced voltage compensation in low voltage residential AC grids

2016 IEEE Energy Conversion Congress and Exposition (ECCE), 2016
This paper describes the design and test of a control algorithm for active front-end rectifiers that draw power from a residential AC grid to feed heat pump loads. The control algorithm is able to control the phase to neutral or phase to phase RMS voltages at the point of common coupling. The voltage control was evaluated with either active or reactive
Ionut Trintis, Philip J. Douglass, Stig Munk-Nielsen   +2 more
openaire   +2 more sources

Voltage Source Converter Control Under Unbalanced Grid Voltage

2021
The conventional control of the voltage source converter (VSC) assumes that the input voltage is balanced. However, unbalanced voltage is a phenomenon that occurs frequently in actual industrial sites. If the grid voltage is unbalanced, THD increases due to voltage negative component, and low harmonic components appear in DC-link voltage, which ...
Ahmed G. Abo-Khalil, Ali M. Eltamaly
openaire   +1 more source