Results 51 to 60 of about 3,961 (251)

Analytical Frameworks and Theories of Electric Power in Non‐Linear Circuits

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
Based on the challenges of distorted currents and non‐linear components in modern power grids, this article reviews seminal electrical power theories that seek to generalize the traditional definitions of active, reactive, and apparent power. It provides a detailed analysis of their mathematical foundations, practical implementation, and validity.
Rafael Escudero, Luis Ibarra
wiley   +1 more source

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

Analisis Penggunaan Unified Power Quality Conditioner (UPQC) Pada Sistem Daya Elektrik [PDF]

, 2013
Paper ini berisi tentang analisis dan pemodelan Unified Power Quality Conditioner (UPQC) y a n g digunakan untuk memperbaiki profil tegangan di PT.
Dachlan, H. S. (Harry), Setiawan, R. (Rachmadi), Suyono, H. (Hadi)   +2 more
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Reactive current injection protocol for low-power rating distributed generation sources under voltage sags [PDF]

, 2015
Voltage sags are one of the main problems in transmission and distribution networks. This study proposes a voltage support control scheme for grid-connected low-power rating inverters under voltage sags.
Camacho Santiago, Antonio, Castilla Fernández, Miguel, García de Vicuña Muñoz de la Nava, José Luis, Hoz Casas, Jordi de la, Miret Tomàs, Jaume   +4 more
core   +2 more sources

An Optimization Method for Solving Three‐Phase Unbalance and Vehicle‐to‐Grid Reactive Power Compensation Utilizing Three‐Phase Inverter Control

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, Yun Zhou, Donghan Feng, Hengjie Li, Kaiyu Zhang, Chen Fang   +5 more
wiley   +1 more source

A Parameter Design Method for SVC Considering the Impedance Interaction Between Inverters and Reactive Compensation Devices

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, Xingye Wang, Yonggang Li, Tianyi Zhang, Jianwen Li   +4 more
wiley   +1 more source

Power quality enhancement of grid-integrated solar photovoltaic system with unified power quality conditioner

Electrical engineering & Electromechanics
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, S. Muthukaruppasamy, R. Dharmaprakash, S. Sendilkumar, D. Dattatreya Bharadwaj, E. Parimalasundar   +5 more
doaj   +1 more source

Condicionadores ativos de potência para mitigação de problemas de qualidade de energia elétrica em instalações industriais [PDF]

, 2013
Os condicionadores ativos são equipamentos baseados em eletrónica de potência que permitem mitigar de forma dinâmica diversos problemas nas tensões e nas correntes do sistema elétrico, contribuindo efetivamente para a melhoria ...
Afonso, João L., Gonçalves, Henrique, Pinto, J. G.   +2 more
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Evaluation of Reduced-Switch Seven-Level Converter-Based upqc with Hybrid Fuzzy-Feedforward Neural Network Algorithm

Brazilian Archives of Biology and Technology
To improve the performance of end-user equipment in an electric utility distribution network, it is necessary to improve power quality (PQ). This paper presents PQ improvement in electric distribution network using seven-level five switch converter based
Veera Nagi Reddy Varampati, Venkata Reddy Kota, Ashok Kumar Devarasetty Venkata   +2 more
doaj   +1 more source

Power Quality Improvement Using Unified Power Quality Conditioner (UPQC) [PDF]

, 2016
The advance use of power electronic devices introduces harmonics in the supply system which creates a problem in the quality of power delivered. Good Power Quality is very much important for our day to day use of appliances in both industrial and ...
Anand , Piyush
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