Results 21 to 30 of about 13,079 (253)
An Analysis of Voltage Quality in a Nanogrid during Islanded Operation
Energies, 2019 Voltage quality data has been collected in a single house nanogrid during 48 weeks of islanded operation and 54 weeks of grid-connected operation. The voltage quality data contains the voltage total harmonic distortion (THD), odd harmonics 3 to 11 and 15,
Jakob Nömm +2 more
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Applied Sciences, 2021 Modern distribution networks face an increasing number of challenges in maintaining balanced grid voltages because of the rapid increase in single-phase distributed generators.
Yoongun Jung +4 more
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MATEC Web of Conferences, 2018 In the three-phase four wire system of the low voltage side for the distribution grid, the phenomenon of asymmetrical and uneven single phase load were very common, causing unbalance in certain network.
Li Yongxia, Gong Yulei
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Study on grid adaptability testing methodology for wind turbines
Journal of Modern Power Systems and Clean Energy, 2013 The use of wind power has grown rapidly in recent years. Wind power is a clean source of energy, but can have negative impacts on the distribution grid.
Shaolin Li +4 more
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IET Renewable Power Generation, 2022 Low voltage ride‐trough (LVRT) feature is compulsory for each grid‐connected inverter to support the grid by injecting reactive power in low voltage conditions.
Afshin Kadri +2 more
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Control of DFIG based wind generation systems under unbalanced network supply [PDF]
, 2007 This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator ...
Wang, Yi, Xu, L.
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Energies, 2023 The increasing share of converter-based renewable energy sources in the power system has forced the system operators to demand voltage support from the converters in case of faults.
Muhammad Abubakar +2 more
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Energy Reports, 2023 Aiming at the problem of long slopes and weak power grids along the railway in high altitude mountainous areas, an optimization method of power supply mode and access to external power grid of CZ railway traction station is proposed. First, combined with
Yunling Wang +5 more
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The Performance of a Three-Phase Induction Motor under and over Unbalance Voltage [PDF]
Tikrit Journal of Engineering Sciences, 2021 Voltage unbalance is an adverse global phenomenon impacting three-phase induction motor output. Three-phase source voltage may become imbalanced in a variety of respects, while a balanced system preserves stable voltage magnitude and angles in ...
Abdulsatar H. Jassim +2 more
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Flexible control for power‐sharing in the CHB‐based SST under voltage unbalance conditions
IET Power Electronics, 2021 Solid‐state transformers (SSTs) have flexible capabilities to improve the power quality issues. These improvements impose disturbances into the SST converters that require proper control algorithms. In this paper, the problems of the unequal active power
Mehdi Babaei, Reza Ghandehari
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