Results 31 to 40 of about 18,114,759 (305)

Embedding OLTC nonlinearities in predictive Volt Var Control for active distribution networks [PDF]

, 2017
Volatile productions and consumptions generate a stochastic behavior of distribution grids and make its supervision difficult to achieve. Usually, the Distributed Generators reactive powers are adjusted to perform decentralized voltage control ...
COLAS, Frédéric, Colas, F., GUILLAUD, Xavier, GRENARD, S., Dieulot, J.Y., DIEULOT, Jean-Yves, MORIN, J., Guillaud, X.   +7 more
core   +1 more source

Distributed Energy Storage Configuration Method for AC/DC Hybrid Distribution Network Based on Bi-Level Optimization

Batteries
Aiming at prominent voltage quality problems in AC/DC hybrid distribution networks with a high proportion of distributed energy and diversified loads, this paper proposes a bi-level energy storage system (ESS) optimization model.
Jianjun Zhao, Jianqi Wang, Mengke Gao, Yinfeng Sun, Yang Li, Zhenhao Wang, Xu Zhao   +6 more
doaj   +1 more source

Research on eigenparameters and detection methods for single‐phase‐to‐ground faults in non‐effectively grounded distribution systems

IET Cyber-Physical Systems, 2023
Non‐effectively grounded power distribution systems (NGDS) are widely used in China and other countries. However, over a long time, single‐phase‐to‐ground faults (SGF) have been misjudged or omitted by the monitoring system, threatening the security of ...
Wanxing Sheng, Xiaohui Song
doaj   +1 more source

A resilient self‐healing approach for active distribution networks considering dynamic microgrid formation

Energy Science & Engineering
A large number of renewable distributed generation (DG) systems connect to the distribution network, affecting the structure of the traditional distribution network and forming an active distribution network (ADN).
Ruifeng Zhao, Yonggui Tan, Jiangang Lu, Wenxin Guo, Hongwei Du   +4 more
doaj   +1 more source

Seamless islanding-aware frequency constrained microgrid scheduling

International Journal of Electrical Power & Energy Systems
The frequency security of low-inertia microgrids (MGs) is a critical concern following unintentional islanding events (UIEs). To tackle this challenge, this paper proposes a seamless islanding-aware frequency-constrained MG scheduling model.
Danyang Xu, Zeyu Liu, Kai Hou, Lewei Zhu, Yunfei Mu, Hongjie Jia, Ruifeng Zhao   +6 more
doaj   +1 more source

Planning Application and Challenges of Grid-Forming Energy Storage in Supporting New Power System Construction [PDF]

Dianli jianshe
[Objective] Under the "Carbon peaking and carbon neutrality" goals, as a critical technology for adapting power systems to high proportions of renewable energy, the application advantages of grid-forming energy storage (GFMES) have not been fully ...
XU Yuhao, SONG Chenhui, CAO Yijia, LI Chao, XIE Huifan, LIU Chunxiao, XIAO Jun
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

Distributed monitoring and control of future power systems via grid computing [PDF]

, 2006
It is now widely accepted within the electrical power supply industry that future power systems operates with significantly larger numbers of small-scale highly dispersed generation units that use renewable energy sources and also reduce carbon dioxide ...
Kyberd, P, Huang, C, Taylor, RJ, Irving, MR, P.R. Hobson, P. Kyberd, Taylor, GA, G.A. Taylor, M.R. Irving, R.J. Taylor, Hobson, PR, C. Huang   +11 more
core   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo, Shehu Umar Abdullahi, Hassan Adam Murtala, Halima Kabir, Khadija A. Shamsu, Sari A. Acra, Virginia A. Stallings, Mark Rodeghier, Michael R. DeBaun, Lauren J. Klein   +9 more
wiley   +1 more source

An adaptive vector control method for inverter‐based stand‐alone microgrids considering voltage reduction and load shedding schemes

IET Generation, Transmission & Distribution, 2023
The droop mechanism is widely utilized in a stand‐alone microgrid (MG) to regulate power‐sharing among distributed generators (DG). However, over the years, the droop phenomena are continually modified to lessen the deviation in voltage and frequency ...
Sumit Kumar Jha, Deepak Kumar, Prabhat Ranjan Tripathi, Bhargav Appasani, Hossam M. Zawbaa, Salah Kamel   +5 more
doaj   +1 more source