Power Quality Monitors Displacement Based on Voltage Sags Propagation Mechanism and Grid Reliability Indexes [PDF]
Applied Sciences, 2023 Nowadays, voltage sag continues to remain a critical PQ issue in the industry. Since it is not possible to install a voltage analyzer on every node, optimal monitoring locations must be determined.
Vladislav Liubčuk +3 more
doaj +2 more sources
Energy feature extraction and visualization of voltage sags using wavelet packet analysis for enhanced power quality monitoring. [PDF]
Sci RepPower quality (PQ) disturbances, such as voltage sags, are significant issues that can lead to damage in electrical equipment and system downtime. Detecting and classifying these disturbances accurately is essential for maintaining reliable power systems.
Priyadarshini MS, Bajaj M, Zaitsev I.
europepmc +2 more sources
Advanced Control of the Dynamic Voltage Restorer for Mitigating Voltage Sags in Power Systems [PDF]
Advances in Electrical and Electronic Engineering, 2018 The paper presents a vector control with two cascaded loops to improve the properties of Dynamic Voltage Restorer (DVR) to minimize Voltage Sags on the grid.
Dung Vo Tien +4 more
doaj +3 more sources
Macroeconomic Assessment of Voltage Sags [PDF]
Sustainability, 2016 The electric power sector has changed dramatically since the 1980s. Electricity customers are now demanding uninterrupted and high quality service from both utilities and authorities. By becoming more and more dependent on the voltage sensitive electronic equipment, the industry sector is the one which is affected the most by voltage disturbances ...
Lehtonen, Matti, Küfeoğlu, Sinan
openaire +4 more sources
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 +4 more
core +3 more sources
Adaptive fuzzy-PI controlled dynamic voltage restorer for mitigating voltage sags [PDF]
Scientific ReportsThe rising integration of sensitive loads at the distribution level demands superior power quality and uninterrupted supply to prevent critical disruptions and financial losses. This study introduces a high-performance Dynamic Voltage Restorer (DVR) with
Nirmalya Mallick +5 more
doaj +2 more sources
Service and Voltage Sag Study of Humid and Dry Weather Utilities [PDF]
, 2002 This paper compares the voltage sag severity problems of two typical utilities operating in humid and dry hot environments. Based on power quality data and its analysis, it has been attempted to compare the quality of services to the customers of humid
Bashi, Sinan Mahmod +3 more
core +2 more sources
Finite Element Analysis of Permanent Magnet Synchronous Motors Subjected to Symmetrical Voltage Sags
Iranian Journal of Electrical and Electronic Engineering, 2014 This paper studies the effects of symmetrical voltage sags on the operational characteristics of a Permanent Magnet Synchronous Motor (PMSM) by Finite Element Method (FEM).
H. Fallah khoshkar +2 more
doaj +1 more source
Cause, Classification of Voltage Sag, and Voltage Sag Emulators and Applications: A Comprehensive Overview [PDF]
IEEE Access, 2020 The large-scale application of wind power and photovoltaic power solves the energy crisis and alleviates the environmental problems caused by the use of conventional energy. However, they are at risk of being randomly tripped from the network when faced to voltage sag and severe fault events, which will lead to a sudden reduction of active power output
Yang Han +5 more
openaire +5 more sources
IEEE Access, 2021 Voltage sags and swells are significant issues of power quality. In order to alleviate voltage sags and swells on sensitive loads, a method is proposed to evaluate the bus and grid structure based on voltage sags/swells using voltage ellipse parameters ...
Li Ma +4 more
doaj +1 more source