Results 61 to 70 of about 25,394,445 (190)
Dissolved gas analysis (DGA) is widely used to detect the incipient fault of power transformers. However, the accuracy is greatly limited by selection of DGA features and performance of fault diagnostic model.
Jiake Fang +5 more
doaj +1 more source
Ti(IV) aminophenolato singly‐ligated complexes with an acetyl substitution exhibit high cytotoxicity and high hydrolytic stability, while possessing enhanced solubility in biological solutions. One iodinated complex is obtained as a dimer both in the solid state and in solution despite its steric bulk, which does not significantly impact its biological
Mohammad Taha +3 more
wiley +1 more source
Electrochemical gas detection for dissolved gas analysis [PDF]
In a previous article, gas chromatography was described as the most popular method for Dissolved Gas Analysis (DGA) conducted in laboratories. In this article, we describe the established and prevalent DGA method for online and portable devices. Over the
Grisaru, Marius
core +1 more source
Assessment of Space Weather Impacts on New Zealand Power Transformers Using Dissolved Gas Analysis
Space weather can have major impacts on electrical infrastructure. Multiple instances of transformer damage have been attributed to geomagnetic storms in recent decades, for example, the Hydro Quebec incident of 1989 and the November 2001 storm in New ...
S. P. Subritzky +5 more
doaj +1 more source
Predictive maintenance strategies in power transformers aim to assess the risk through the calculation and monitoring of the health index of the power transformers.
Sergio Bustamante +4 more
doaj +1 more source
Advances in Agricultural Applications of Lignans
This graphical abstract presents lignans as green alternatives to chemical pesticides and antibiotics for agriculture and veterinary use. It illustrates their applications in plant protection (antifungal, insecticidal, herbicidal, fruit preservation) and aquaculture, classifies lignan subtypes from classic to complex forms, highlights limitations like ...
Kaida Li +5 more
wiley +1 more source
Uncertainty analysis of two gas measurement DGA ratios for improved diagnostics applications [PDF]
This paper formulates the exact analytical probability density function (PDF) for the ratio of two independent dissolved gas analysis (DGA) measurements that include individual gas measurement errors. It is demonstrated that for small DGA gas measurement
Stewart, B. G., Aizpurua, J. I.
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ABSTRACT The assessment of energy efficiency in water facilities is receiving increasing attention as a key strategy in the transition toward an energy‐neutral urban water cycle. This study evaluates the energy efficiency of 146 drinking water treatment plants (DWTPs) in Chile by applying a latent class stochastic frontier analysis (LCSFA) to account ...
Alexandros Maziotis +1 more
wiley +1 more source
Comparison of dissolved gas-in-oil analysis methods using a dissolved gas-in-oil standard
Dissolved gas analysis (DGA) is routinely used to determine the concentrations of gases dissolved in the insulating oil of transformers. These concentrations are used to investigate and diagnose electrical or thermal faults [1].
Wijaya, Jaury +7 more
core +1 more source
ABSTRACT With the advancement of the ‘carbon peaking and carbon neutrality’ targets and the construction of new power systems, the operating environment of power equipment is becoming increasingly complex, rendering traditional operation and maintenance strategies insufficient to meet the demands of safe and stable grid operation.
Hui Song +5 more
wiley +1 more source

