Results 31 to 40 of about 4,103 (225)
Fuzzy logic controller of photovoltaic panel-unified power quality conditioner with voltage compensation and stability [PDF]
, 2023 The intensive use of non-linear loads is further contributing in the increase of power quality problems. They cause voltage distortions and current harmonics in an electrical distribution network.
Benaired, Noreddine +3 more
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Journal of Modern Power Systems and Clean Energy, 2016 Unified power quality conditioner (UPQC) holds the capability of solving power quality problems, especially shows good performance in the voltage sag compensation.
Yunfei Xu +3 more
doaj +1 more source
Balance control of grid currents for UPQC under unbalanced loads based on matching-ratio compensation algorithm [PDF]
, 2018 In three-phase four-wire systems, unbalanced loads can cause grid currents to be unbalanced, and this may cause the neutral point potential on the grid side to shift.
Chai, Xiuhui +5 more
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Energies, 2020 In this article, a Quasi Z-source inverter (QZSI)-based unified power quality conditioner (UPQC) backed by the solar photovoltaic (SPV) is presented in order to enhance power quality. The UPQC consists of converters connected in parallel and series.
K. Muthuvel, M. Vijayakumar
doaj +1 more source
A multilevel UPQC for voltage and current quality improvement in distribution system [PDF]
, 2019 Unified Power Quality Conditioner (UPQC) is substantial power conditioner in power system to filter the power system parameters with an objective to improve the quality of power delivered to the customers/utility point.
Kota, Venkata Reddy +2 more
core +3 more sources
Energies, 2017 A Unified Power Quality Conditioner (UPQC) is designed using a Neutral Point Clamped (NPC) multilevel inverter to improve the power quality. When designed for high/medium voltage and power applications, the voltage stress across the switches and harmonic
Palanisamy Ramasamy +1 more
doaj +1 more source
Empirical analysis of power quality using UPQC with hybrid control techniques
Results in Engineering, 2023 The Unified Power Quality Conditioner (UPQC), composed of both parallel active filters (PAF) and series active filters (SAF), recognized as a crucial device for enhancing the overall power quality of the system.
Shawon Das +3 more
doaj +1 more source
Enhancing the LVRT Capability and Mitigation of Power Quality Issues Using UPQC of a Grid Connected Wind Conversion System [PDF]
, 2017 In this paper unified power quality conditioner has been used to enhance low voltage ride through capability of grid connected wind conversion system taking Doubly fed induction generator (DFIG).
Boopathi, C.S +2 more
core +3 more sources
ANN based control scheme for a three-level converter based unified power quality conditioner
Journal of Electrical Systems and Information Technology, 2018 Unified power quality conditioner (UPQC) has been used convincingly to mitigate most of the electric power quality issues. Conventional control schemes such as Synchronous Reference Fame (SRF) and P-Q theory based control involves abc to/from dq/αb ...
Sudheer Vinnakoti, Venkata Reddy Kota
doaj +1 more source
Implementing UPQC based Intelligent Islanding for the Microgrid System [PDF]
, 2018 Increased penetration of small scale renewable energy sources in the electrical distribution network, improvement of power quality has become more critical than where the current harmonics or disturbances and level of voltage can vary widely.
, Priyanka S. Patil, Mr. V. S. Pawar
core +2 more sources