Results 221 to 230 of about 511 (254)
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Unified Hybrid Power Quality Conditioner (UHPQC)
2010 IEEE International Symposium on Industrial Electronics, 2010This paper proposes the Unified Hybrid Power Quality Conditioner (UHPQC). The proposed topology manipulates, at the same time and in continuous way, the displacement power factor and also it mitigates the dominant harmonic component of the line current.
Carlos Henrique da Silva +4 more
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New functionalities of the unified power quality conditioner
2001 IEEE/PES Transmission and Distribution Conference and Exposition. Developing New Perspectives (Cat. No.01CH37294), 2002Power quality problems have received much attention because of their bad economical impacts on both utilities and customers. Current harmonics are the most common power quality problem, while the voltage sag is the most severe. This paper introduces new functionalities for the unified power quality conditioner (UPQC), which never introduced before by ...
A. Elnady, M.M.A. Salama
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Parameters evaluation of Unified Power Quality Conditioner
2011 IEEE INTERNATIONAL CONFERENCE ON ELECTRO/INFORMATION TECHNOLOGY, 2011The term of “Power Quality” is used to describe the electromagnetic phenomenon in variations of voltage and current in the power system. Most power quality disturbances can come from the facility itself, such as large loads turning on simultaneously, improper wiring and grounding practices, the start-up of large motors and electronic equipments that ...
Ahmed M. A. Haidar +3 more
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Constant frequency-unified power quality conditioner
2011 International Conference on Emerging Trends in Electrical and Computer Technology, 2011The aim of this paper is to maintain the constant frequency in the utility using constant frequency unified power quality conditioner. A constant frequency unified power quality conditioning system (CF-UPQC) consists of a unified power quality conditioner (UPQC) and a Matrix converter based frequency changer.
P. Jeno Paul +2 more
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Reactive power flow control of a Dual Unified Power Quality Conditioner
IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, 2016This paper presents a way to balance the reactive power processed between series and parallel active filters that compose the Dual Unified Power Quality Conditioner (iUPQC) through the power angle control (PAC). The proposed new methodology divides equally the reactive power between the filters according of load demand. It will be presented a review of
Saimon M. Fagundes, Marcello Mezaroba
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Performance Analysis of Unified Power Quality Conditioner for Power Quality Improvement
Applied Mechanics and Materials, 2014The Unified Power Quality Conditioner plays an important role in the constrained delivery of electrical power from a source to an isolated pool of load or from a source to the grid. This article is presented new control approaches for both series and shunt inverter.
Ragavan Saravanan, P.S. Manoharan
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An unified power quality conditioner for load sharing and power quality improvement
2012 Asia-Pacific Symposium on Electromagnetic Compatibility, 2012This paper reports the integration of a hybrid system that consist of a proton exchange membrane fuel cell (PEMFC) and an ultra-capacitor (UC) with the UPQC. Apart from performing load sharing with the grid, the overall UPQC is able to handle a wide range of power quality (PQ) problems; thus enhancing the functions of the UPQC and ensures higher ...
Kian Hoong Kwan +3 more
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Fuzzy based unified power quality conditioner for power quality improvement
2013 International Conference on Circuits, Power and Computing Technologies (ICCPCT), 2013Non-linear loads are normally affected by power quality (PQ) problems. Harmonic currents create system resonance, capacitor overloading, decrease in efficiency. Voltage sags are commonly occurring power quality problems in electrical systems. The unified power quality conditioner (UPQC) is one of the FACTS controllers used for mitigating the effect of ...
K.R. Suja, I. Jacob Raglend
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Functionalities of unified power quality conditioner
2007This paper discusses the topology and control of a unified power quality conditioner (UPQC) that can be used simultaneously in voltage or current control mode in a power distribution system. In the voltage control mode, the UPQC can force the voltage of a distribution bus to be balanced sinusoids.
Boonchiam, P., Mithulananthan, Nadarajah
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