Results 61 to 70 of about 382,328 (306)

Examination of fast frequency response capacity requirements considering frequency ride-through capabilities in distributed generators with legacy inverters

open access: yesEnergy Reports, 2023
Given the rapid increase in inverter-based distributed generators (IBDGs), their response and subsequent impacts on power system stability during abnormal power system conditions are becoming important. Recent events have shown that an unexpected loss of
Sungwoo Kang   +4 more
doaj   +1 more source

Fast Graphic Visualization of Frequency Response for Audio Equalizer

open access: yesJournal of Broadcast Engineering, 2015
This paper proposes a new method for fast graphic visualization of accurate frequency response of audio equalizer (EQ). When a logarithmic frequency scale is used, a frequency response in high resolution is required for accurate low-band frequency response.
Ki-Jun Kim, Hochong Park
openaire   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

A Unified Analytical Method to Quantify Three Types of Fast Frequency Response from Inverter-based Resources [PDF]

open access: yes, 2023
With more inverter-based resources (IBRs), our power systems have lower frequency nadirs following N-1 contingencies, and undesired under-frequency load shedding (UFLS) can occur.
Fang, Xin   +5 more
core   +1 more source

Frequency Response Characteristic (FRC) Curve and Fast Frequency Response Assessment in High Renewable Power Systems

open access: yes, 2020
This letter introduces a frequency response characteristic (FRC) curve and its application in high renewable power systems. In addition, the letter presents a method for fast frequency response assessment and frequency nadir prediction without performing dynamic simulations using detailed models.
openaire   +3 more sources

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

Review of primary frequency control requirements on the GB power system against a background of increasing renewable generation [PDF]

open access: yes, 2006
This thesis was submitted for the degree of Doctor of Engineering and awarded by Brunel University.The system frequency of a synchronous power system varies with the imbalance of energy supplied and the electrical energy consumed.
Pearmine, Ross
core  

Evaluation of coated QCM for the detection of atmospheric ozone [PDF]

open access: yes, 2011
A coated acoustic wave sensor has been developed to selectively detect atmospheric ozone. The selective detection has been assessed using a variety of coatings: beeswax, gallic acid, indigo carmine, polybutadiene, potassium iodide and sodium nitrite ...
Muller, JBA   +11 more
core   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Power meter for Highly-Distorted Three-Phase Systems [PDF]

open access: yes, 1996
This paper describes a low-cost, three-phase power meter, which is based on a fast, specially designed acquisition board coupled to a PC via the PC parallel/printer port or by means of an AT card.
Parvis, Marco   +3 more
core   +1 more source

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