Results 11 to 20 of about 275,100 (301)
Energy Reports, 2023 Unbalanced issues and power quality problems can be handled using shunt active power filters (APFs). Under weak grid conditions and unbalanced grid impedance, the unbalanced three-phase load leads to unbalanced grid currents and point-of-common-coupling ...
Mohammad Alathamneh +2 more
doaj +1 more source
Deadbeat predictive power control for Vienna rectifier under unbalanced power grid condition
Energy Reports, 2021 Due to the low output distortion and switch voltage stress, Vienna rectifiers have been widely utilized in high-power applications such as communication power supplies, wind power systems and electric vehicle charging piles.
Yiyan Lu +4 more
doaj +1 more source
Applied Sciences, 2020 Low-voltage distribution systems are typically unbalanced. These inefficiencies cause unbalanced powers that can significantly increase the apparent power of the system.
Pedro A. Blasco +3 more
doaj +1 more source
Aggregate Power Flexibility in Unbalanced Distribution Systems [PDF]
IEEE Transactions on Smart Grid, 2020 With a large-scale integration of distributed energy resources (DERs), distribution systems are expected to be capable of providing capacity support for the transmission grid. To effectively harness the collective flexibility from massive DER devices, this paper studies distribution-level power aggregation strategies for transmission-distribution ...
Xin Chen +3 more
openaire +2 more sources
Voltage Support Provided by STATCOM in Unbalanced Power Systems [PDF]
Energies, 2014 The presence of an unbalanced voltage at the point of common coupling (PCC) results in the appearance of a negative sequence current component that deteriorates the control performance. Static synchronous compensators (STATCOMs) are well-known to be a power application capable of carrying out the regulation of the PCC voltage in distribution lines that
Ana Rodríguez +4 more
openaire +4 more sources
Analysis Of Active Power Filters Operating With Unbalanced Loads [PDF]
Eletrônica de Potência, 2009 The aim of this paper is to perform an analysis of the shunt Active Power Filter (APF) operating with unbalanced loads. The impact of the load imbalance on the APF performance is mathematically demonstrated and validated with experimental results using a 25 kVA shunt APF prototype.
LIMONGI, LEONARDO +3 more
openaire +3 more sources
Control of DFIG based wind generation systems under unbalanced network supply [PDF]
, 2007 This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator ...
Wang, Yi, Xu, L.
core +1 more source
Demonstration of sustained and useful converter responses during balanced and unbalanced faults in microgrids [PDF]
, 2012 In large power grids where converter penetration is presently low and the network impedance is predominantly reactive, the required response from converters during faults is presently specified by phrases such as “maximum reactive output”.
Burt, Graeme +4 more
core +1 more source
Energies, 2022 Discussed in this study is a bidirectional power control technique for a three-phase grid connected inverter under different unbalanced grid conditions.
Mohammad Alathamneh +2 more
doaj +1 more source
An algorithm for optimal sizing of the capacitor banks under non-sinusoidal and unbalanced conditions [PDF]
, 2014 In non-sinusoidal and unbalanced systems, optimal sizing of the capacitor banks is not a straightforward task as in sinusoidal and balanced systems. In this paper, by means of qualitative and quantitative analysis, it is interpreted that the classical ...
Abdel Aleem, SHE +3 more
core +1 more source