Results 21 to 30 of about 328 (183)
This paper proposes a simple control scheme for UPQC (Unified Power Quality Conditioner) system based on five-level NPC (Neutral Point Clamped) inverter capable to compensate all disturbances under all voltage conditions.
Salim CHENNAI
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Three-Phase UPQC Topology Based on Quadruple-Active-Bridge
In this study, a three-phase unified power quality conditioner (UPQC) topology based on a quadruple-active-bridge (QAB) is presented as an attractive solution to power quality issues.
Jian Han +3 more
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Role of UPQC in Distributed Generation Power System: A Review [PDF]
The ever increasing share of renewable energy sources RERs in the today's scenario, the power grids are suffering from poor power quality due to the intermittent nature of wind and solar based power generating units. The led to extensive research in the field of power quality especially in voltage and frequency regulations Distributed generation ...
Sajid Bashir, Gagan Deep Yadav
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The modular multilevel converter (MMC), as a new type of voltage source converter, is increasingly used because it is a distributed storage system.
Yongchun Yang +5 more
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This work presents a distributed generation system (DG) that combines system of a wind turbine (WT) and photovoltaic (PV) using a unified power quality conditioner (UPQC).
Tongfei Lei +5 more
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Nowadays, widespread use of power electronics based load in house-hold and industry have increased the importance and application of power Quality studies. Power electronic devices having property of non-linearity draw harmonic and reactive power from the source.
Dr. PRASAD M. JOSHI, Mukul Kumar
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Impedance Matching-Based Power Flow Analysis for UPQC in Three-Phase Four-Wire Systems
Different from the extant power flow analysis methods, this paper discusses the power flows for the unified power quality conditioner (UPQC) in three-phase four-wire systems from the point of view of impedance matching.
Xiaojun Zhao +5 more
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A novel ANFIS-controlled customized UPQC device for power quality enhancement
Power quality is crucial for the reliable and efficient operation of domestic and industrial loads. Nonlinear power electronic converter loads have increased in usage, which has led to a decline in both voltage and current quality.
S. Srimatha +2 more
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This paper presents unified power quality conditioner (UPQC) system based on three-level neutral point clamped (NPC) using Fuzzy and ANN controllers. The proposed UPQC is able to mitigate source current harmonics and compensate all voltage disturbances.
Salim CHENNAI
doaj +1 more source
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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