Results 51 to 60 of about 4,103 (225)
Neuro Fuzzy Based Unified Power Quality Conditioner for Power Quality Improvement Fed Induction Motor Drive [PDF]
, 2015 The unified power quality conditioner (UPQC) plays an important role in the constrained delivery of electrical power from source to an isolated pool of load or from a source to the grid.
Manoharan, P.S., Saravanan, R.
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Energy Science &Engineering, Volume 14, Issue 1, Page 583-610, January 2026.Decentralized energy systems are gaining momentum, and microgrids have become a vital component of the modern power landscape. Yet, maintaining power quality within these systems presents ongoing challenges due to the presence of nonlinear loads, variable renewable energy sources, and frequent switching operations.
Mahnoor Zahid +5 more
wiley +1 more source
A Comprehensive Review of Low-Voltage-Ride-Through Methods for Fixed-Speed Wind Power Generators [PDF]
, 2016 This paper presents a comprehensive review of various techniques employed to enhance the low voltage ride through (LVRT) capability of the fixed-speed induction generators (FSIGs)-based wind turbines (WTs), which has a non-negligible 20% contribution of ...
Guerrero, Josep M. +2 more
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, 2018 Power quality-related issues such as current and voltage distortions can adversely affect home and industrial appliances. Although several conventional techniques such as the use of passive and active filters have been developed to increase power quality
M. M. Almelian +3 more
semanticscholar +1 more source
IET Intelligent Transport Systems, Volume 20, Issue 1, January/December 2026.1. Using an operating power factor control method based on the instantaneous power theory to regulate voltage. 2. Designing the three‐phase four‐wire inverter s control strategy to effectively solve the three‐phase unbalanced operation problem. 3. Quantifying the regulation ability of electric vehicles as a reactive power compensation resource in the ...
Yin Yi +5 more
wiley +1 more source
Fuzzy Hysteresis Controller Based Unified Power Quality Conditioner for Voltage Fluctuations and Harmonic Isolation [PDF]
, 2016 Power quality problem makes the consumer un satisfy. FACTS devices such as UPQC are such devices to avoid power quality problems. This paper proposed an efficient hysteresis controller and fuzzy controller for unified power quality conditioner.
Kalyani, V
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A three-phase four-wire unified power quality conditioner without series transformers [PDF]
, 2012 This work presents a topology for a Unified Power Quality Conditioner (UPQC), without series transformers, connected to a three-phase four-wire electrical grid.
Afonso, João L. +3 more
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IET Power Electronics, Volume 19, Issue 1, January/December 2026.Distributed generation (DG) aggregation points are typically equipped with reactive compensation devices to maintain voltage stability. However, improper parameter design may cause harmonic oscillations due to interactions between the device and inverter impedance.
Chengjia Bao +4 more
wiley +1 more source
Model‐Free Predictive Direct Control of Unified Power Quality Conditioner Based on Ultra‐Local Model
IET Energy Systems Integration, Volume 7, Issue 1, January/December 2025.ABSTRACT To enhance the robustness of the unified power quality conditioner (UPQC) with finite control set model predictive control (FCS‐MPC), direct control in the dq coordinate system faces challenges such as complex coordinate transformation, system coupling issue and phase‐locked‐loop delays.
Guifeng Wang +6 more
wiley +1 more source
Hybrid fuzzy back-propagation control scheme for multilevel unified power quality conditioner
Ain Shams Engineering Journal, 2018 To increase the lifetime and performance of equipment in utility distribution systems, the enhancement of power quality is essential. In this paper, to enhance the power quality, we present the design of a hybrid fuzzy back-propagation control scheme for
V. Veera Nagireddy +2 more
doaj +1 more source