Results 1 to 10 of about 4,046 (201)

Anaphylaxis after stings by Vespula spp. – preventions, safety profile of venom immunotherapy, data from the Anaphylaxis Registry for West Pomerania Voivodeship, Poland [PDF]

open access: yesHuman Vaccines & Immunotherapeutics
Stings by Hymenoptera, especially by Vespula spp. are one of the most common causes of anaphylaxis among adults. The only method of preventing further episodes of anaphylaxis, in people with IgE allergy to Hymenoptera venom, is venom immunotherapy (VIT).
Iwona Poziomkowska-Gęsicka   +4 more
doaj   +2 more sources

Experimental test of PMU measurement errors and the impact on load model parameter identification

open access: yesIET Generation, Transmission and Distribution, 2020
The results of ambient signals‐based load modelling are more sensitive to phasor measurement unit (PMU) measurement errors due to the relatively smaller disturbance magnitudes of ambient signals.
Chao Lu, Xinran Zhang
exaly   +2 more sources

Placing problematic media use in context: a research synthesis, person-centric framework, and chart review among a clinical sample of US youth [PDF]

open access: yesFrontiers in Psychiatry
Understanding the dynamics underlying problematic media use (PMU) is crucial in today’s digital society. The maintaining factors driving problematic use span both bio-psychological and social factors, necessitating the development of an integrative, meta-
Michael C. Carter   +14 more
doaj   +2 more sources

Gender Moderates the Neural Impact of Problematic Media Use on Working Memory in Preschoolers: An fNIRS Study [PDF]

open access: yesBrain Sciences
Background: This study investigated the relationship between problematic media use (PMU) and working memory in preschoolers. Methods: Parents of children aged 3 to 7 (260 boys, 257 girls; Mage = 5.57, SD = 0.73) in Jinan, China, completed questionnaires ...
Keya Ding, Xinyi Dong, Yu Xue, Hui Li
doaj   +2 more sources

Impact of media use on oral health, parafunctional habits, and nutritional status in preschoolers: a cross-sectional study [PDF]

open access: yesBMC Oral Health
Objectives This study investigated the potential correlation between problematic media use (PMU) and poor oral health, increased parafunctional habits, and poor nutritional status in preschool children.
Abrar Alanzi   +2 more
doaj   +2 more sources

PMU and DVR based Power System Monitoring, Controlling and Voltage sag Compensation [PDF]

open access: yesITM Web of Conferences, 2020
The power system network is becoming dense and much more complex. Dynamic and continuous monitoring of the power system network is required to avoid power outages. Phasor Measurement Unit (PMU) is one such device that provides state estimation parameters
Chalwadi Abhishek, M Kiruthika, S Bindu
doaj   +1 more source

Non-Iterative estimation of the AC overhead line state by relinearization method [PDF]

open access: yesE3S Web of Conferences, 2020
Information about the current mode of the electric power system (EPS) is received by the dispatch control centers in the form of telemetry and tele-signals by the SCADA complexes, and from phasor measurement units (PMU) devices. Tele-measurements include
Balametov A.B.   +3 more
doaj   +1 more source

A review of the importance of synchrophasor technology, smart grid, and applications [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
The electrical network is a man-made complex network that makes it difficult to monitor and control the power system with traditional monitoring devices.
Maveeya Baba   +9 more
doaj   +1 more source

Evaluating Performance of a Linear Hybrid State Estimator Utilizing Measurements From RTUs and Optimally Placed PMUs

open access: yesIEEE Access, 2022
Synchro-phasor technology, using Phasor Measurement Unit (PMU), has improved the way power system data is collected for monitoring through state estimation.
Mercy Ndinda Kiio   +2 more
doaj   +1 more source

WAMS-based Hierarchical Active Power Differential Signal Algorithm for Backup Protection of a FACTS Compensated Transmission Network

open access: yesAdvances in Electrical and Electronic Engineering, 2022
This paper proposes a hierarchical active power differential signal-based generalized backup protection algorithm using Wide Area Measurement System (WAMS) data for Flexible AC Transmission System (FACTS)-compensated transmission networks.
Sreelekha Venugopal   +2 more
doaj   +1 more source

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