Results 51 to 60 of about 2,450 (157)

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

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

Battery‐supported unified power quality controller for small hydro‐based isolated power generation

IET Renewable Power Generation, 2021
In this paper, a battery‐supported unified power quality controller (UPQC) for a small hydro‐based isolated power generation is investigated as a voltage and frequency controller.
Sachin Tiwari, Seema Kewat, Bhim Singh, Chandrakala Devi Sanjenbam   +3 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
core  

Power quality disturbances assessment during unintentional islanding scenarios. A contribution to voltage sag studies [PDF]

, 2019
This paper presents a novel voltage sag topology that occurs during an unintentional islanding operation (IO) within a distribution network (DN) due to large induction motors (IMs).
Bosch Tous, Ricardo, Casals Torrens, Pau, Serrano Fontova, Alexandre   +2 more
core   +2 more sources

Coordinated Control Method of Re‐Constructable Hybrid Distribution Transformers with DC Mutual Connection for Voltage Sag Compensation

IET Power Electronics, Volume 18, Issue 1, January/December 2025.
The proposed ReC‐HDT possesses topology reconfiguration capability, enabling it to adjust its topology based on varying grid requirements. Besides, a coordinated control strategy for the ReC‐HDT within the interconnected system is proposed, significantly expanding the range of voltage sag compensation and enhancing the system's overall utilization. The
Chang Yuan, Siyu Ding, Ming Ma, Yitong Wu, Baichuan Zhu, Jiacheng Guo   +5 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

Evaluation of a shunt active power filter with energy backup capability [PDF]

, 2013
This paper presents a new Shunt Active Power Filter (SAPF) that is able to compensate current power quality problems and also to serve as energy backup to the loads in case of power outages.
Afonso, João L., Couto, Carlos, Exposto, Bruno, Gonçalves, Henrique, Monteiro, Vítor Duarte Fernandes, Pedrosa, D., Pinto, J. G.   +6 more
core   +1 more source

Evaluating Disturbance Ride‐Through Capability of Fast Electric Vehicle Charging Stations Using DVshave

IET Power Electronics, Volume 18, Issue 1, January/December 2025.
This paper introduces DVShave, a novel system that integrates an artificial neural network‐based dynamic voltage restorer with peak‐shaving functionality to significantly enhance the resilience and energy efficiency of fast electric vehicle charging stations against various grid disturbances and demand peaks.
Samuel Ngotho, Malabika Basu
wiley   +1 more source

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