Results 11 to 20 of about 216,940 (217)

Correlations of power output fluctuations in an offshore wind farm using high-resolution SCADA data [PDF]

Wind Energy Science, 2021
Space–time correlations of power output fluctuations of wind turbine pairs provide information on the flow conditions within a wind farm and the interactions of wind turbines.
J. K. Seifert, M. Kraft, M. Kühn, L. J. Lukassen   +3 more
doaj   +1 more source

Optimal Allocation of Curtailment Levels of PV Power Output in Different Regions in Consideration of Reduction of Aggregated Fluctuations

IEEE Access, 2023
Due to the high penetration of photovoltaic power generation system (PV) anticipated in the future, the curtailment of PV power output becomes crucial, not only to maintain supply-demand balance but also to preserve an adequate capacity for the frequency
Noha Harag, Chiyori T. Urabe, Takeyoshi Kato   +2 more
doaj   +1 more source

Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices

Energies, 2020
This paper discusses a structural property for a power system to continue a safe operation under power fluctuation caused by fluctuating power sources and loads.
Saher Javaid, Mineo Kaneko, Yasuo Tan
doaj   +1 more source

Smoothing Photovoltaic Power Fluctuations for Cascade Hydro-PV-Pumped Storage Generation System Based on a Fuzzy CEEMDAN

IEEE Access, 2019
Due to strong volatility and intermittent characteristics, the fluctuations of the photovoltaic (PV) output is inevitable which cause negative impacts on power system operation. However, such an issue can be resolved in a combined cascade hydro-PV-pumped
Lei Chen, Jun Wang, Zhang Sun, Tao Huang, Fan Wu   +4 more
doaj   +1 more source

Voltage Fluctuations and Flicker in Prosumer PV Installation

Energies, 2022
In this paper, we present problems connected with voltage fluctuations in low-voltage networks caused by small PV sources installed in an LV network. For the purpose of analysis, high-resolution data gathered at the output of real PV sources for 4 months
Krzysztof Łowczowski, Zbigniew Nadolny
doaj   +1 more source

A Distributed AI Framework for Nano-Grid Power Management and Control

IEEE Access
Due to their minimal environmental impact, green energy sources like wind turbines and solar panels are increasingly utilized in power systems. However, the power they generate is highly variable, leading to unpredictable fluctuations in power supply ...
Iacovos I. Ioannou, Saher Javaid, Christophoros Christophorou, Vasos Vassiliou, Andreas Pitsillides, Yasuo Tan   +5 more
doaj   +1 more source

Analysis and Control of Wind Power Grid Integration Based on a Permanent Magnet Synchronous Generator Using a Fuzzy Logic System with Linear Extended State Observer

Energies, 2019
Recently, wind energy conversion systems (WECSs) have attracted attention due to their effective application in renewable energy sources. It is a complex system with multi-variables, strong coupling, non-linearity, and variable parameters; however ...
Youjie Ma, Long Tao, Xuesong Zhou, Wei Li, Xueqi Shi   +4 more
doaj   +1 more source

Intermittent Smoothing Approaches for Wind Power Output: A Review

Energies, 2017
Wind energy is one of the most common types of renewable energy resource. Due to its sustainability and environmental benefits, it is an emerging source for electric power generation.
Muhammad Jabir, Hazlee Azil Illias, Safdar Raza, Hazlie Mokhlis   +3 more
doaj   +1 more source

An optimal reactive power control scheme for rectifying station considering the coordination control of low-voltage reactor and AC system

The Journal of Engineering, 2019
When rectifier station of line-commutated converter based high-voltage direct transmission current has power fluctuations running at large load, reactive power compensator controlled in groups at rectifying station are switched frequently.
Zijia Hui, Zhiguo Hao, Ya Zhang, Hongsen Zou, Xiaojun Yu, Zhiyuan Liu   +5 more
doaj   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld, Scott H. Maurer, Michelle D. Watkinson, John Nury, Elise Barberis, Molly C. Mack   +5 more
wiley   +1 more source