Results 61 to 70 of about 256 (163)
Contribution of using a photovoltaic unified power quality conditioner in power quality improvement
Introduction. With the increasing complexity of power systems and the integration of diverse energy sources, issues such as voltage sags, swells, and signal distortions have emerged as critical challenges.
C. Bousnoubra, Y. Djeghader, H. Belila
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Introduction. To enhance the quality of power and ensure a consistent electricity supply, this study proposes the utilization of a unified power quality conditioner (UPQC) system integrated with solar photovoltaic (PV) technology. The innovation involves
M. Manohara +5 more
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UPQC-Based Power Quality Improvement in Grid-linked PV, Battery & Wind Systems [PDF]
This paper portrays an examination into the enhancement of power quality in grid-connected photovoltaic (PV), battery, and wind systems using Unified Power Quality Conditioner (UPQC).
Shravani Chapala +2 more
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Abstract—In modern smart grids, maintaining high power quality is essential for ensuring efficient, reliable, and stable operation of electrical systems. The proliferation of nonlinear and sensitive loads has increased issues such as voltage sag, swell, harmonics, and reactive power imbalance, which adversely affect overall power performance.
null Vikas Sharma +3 more
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Unified power quality conditioner (UPQC) with voltage dips and over-voltages compensation capability
Unified power quality conditioners (UPQCs) allow the mitigation of voltage and current disturbances that could affect sensitive electrical loads while compensating the load reactive power. Diverse control techniques have been proposed to evaluate the instantaneous output voltage of the series active power filter of the UPQC but, in most cases, these ...
Moreno, VM +3 more
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Small Signal Modeling and Performance Analysis of Conventional- and Dual-UPQC
Both the conventional and dual compensation strategies are widely adopted in a unified power quality conditioner (UPQC). However, the differences between them are lack of in-depth analysis.
Shuqi Shi, Dashuang Liu, Jian Han
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This paper proposes the instantaneous p-q theory based fuzzy logic controller (FLC) for multi converter unified power quality conditioner (MC-UPQC) to mitigate power quality issues in two feeders three-phase four-wire distribution systems.
Chandra Babu Paduchuri +2 more
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Predictive direct control strategy of unified power quality conditioner based on power angle control
The unified power quality conditioner (UPQC), based on power angle control (PAC), addresses the power distribution issue and enhances equipment utilization between two active power filters (APF) of UPQC by employing conventional linear control algorithms
Guifeng Wang, Zewen Wu, Zhan Liu
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Comprehensive control for unified power quality conditioners
This paper presents a comprehensive control strategy for unified power quality conditioners (UPQCs) to compensate for both voltage and current quality problems.
Miguel OCHOA-GIMÉNEZ +2 more
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recent years, there is tremendous growth in the use of power electronic devices in every sphere but in nonlinear loads, it has problem of drawing the two important limitations; draws the non-sinusoidal current and reactive power from source which in turn effects the power quality.
Abdul Hamid, Anita Khosla, Saima Ashraf
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