Results 11 to 20 of about 41,503 (296)
Research on Reconfiguration of Distribution Network considering Three‐Phase Unbalance
Wireless Communications and Mobile Computing, 2022 In the distribution network, the addition of distributed power sources can improve the voltage part of the distribution system, provide uninterrupted power supply, and reduce network losses. The location of the power supply and its output will also directly affect the system voltage and power loss.
Xuejie Wang +7 more
openaire +1 more source
Effect of Voltage Unbalances on the Performance of a Three-phase Transformer
IOP Conference Series: Earth and Environmental Science, 2022 Abstract Mitigation and adaptation to climate change have been major driving forces in modernizing electric power infrastructure. Low power quality has a significant impact on electrical equipment efficiency. Voltage unbalances one of the issues with low power quality. This study used a simulation method for a power supply with a voltage
Ngo Xuan Cuong, Le Anh Tuan, Y Do Nhu
openaire +1 more source
Sensors, 2023 Identifying unbalanced phase currents is crucial for control and fault alarm rates in power grids, especially in urban distribution networks. The zero-sequence current transformer, specifically designed for measuring unbalanced phase currents, offers ...
Shangqing Liang +5 more
doaj +1 more source
Comprehensive review and a novel technique on voltage unbalance compensation
IET Smart Grid, 2023 Voltage unbalance has gained more attention due to a rapid increase in single‐phase distributed energy resources (DERs) penetration compound with existing unbalance characteristics of low voltage distribution network.
Nattanapong Kongtrakul +2 more
doaj +1 more source
New Smart Sensor for Voltage Unbalance Measurements in Electrical Power Systems
Sensors, 2022 This paper deals with voltage unbalances and how they can be quantified according to the standards. Firstly, a comparison between the different unbalance voltage factors is conducted in order to remark on their divergences.
Santiago Bogarra +2 more
doaj +1 more source
Using Special Transformer Wiring to Improve the Three-phase Unbalance Rate of Railway System
Journal of Low Frequency Noise, Vibration and Active Control, 2023 Because imbalanced power will cause the loss of the propulsion motor of the railway vehicle, and the increase in temperature will shorten the service life of the electric vehicle.
Chien-Hsu Chen, Sheng-Chieh Huang
doaj +1 more source
Energies, 2023 With a large amount of distributed power and energy storage access, the traditional three-phase unbalanced treatment of a power distribution system is mainly aimed at the three-phase unbalance of a load, which cannot effectively address the three-phase ...
Min Wang +5 more
doaj +1 more source
Energies, 2020 This paper studies the system unbalance caused by rooftop Photovoltaic Generation Systems (PVGSs) in distribution networks and proposes an improved method.
Rong-Ceng Leou +4 more
doaj +1 more source
Applied Sciences, 2023 With the increased grid-connected capacity of a single-phase distributed power supply, three-phase power unbalance is more likely to occur in a power grid.
Zhenao Sun, Dazhong Ma, Qiuye Sun
doaj +1 more source
Analysis of unbalanced load low-voltage electrical networks operating modes [PDF]
E3S Web of Conferences, 2021 The article discusses distribution electrical networks 0.38 kV operating modes, feeding individual residential buildings. The electrical energy parameters measurement were certified RESURS-UF2M device carried out.
Naumov Igor +4 more
doaj +1 more source