Results 31 to 40 of about 646,559 (302)

Analisis Kualitas Minyak Trafo Menggunakan Data Dissolved Gas Analysis dan Water Content

Protek: Jurnal Ilmiah Teknik Elektro, 2018
Transformer is a vital equipment in the power system. If the transformer is damage, can cause the electrical distribution to the consumer will be disrupted. Therefore, it needs special maintenance the performance of the transformer to avoid damage.
Abdul Syakur, Fanny Rizka Savitri
doaj   +1 more source

Permeation of CO2 and N2 through glassy poly(dimethyl phenylene) oxide under steady- and presteady-state conditions [PDF]

, 2020
Glassy polymers are often used for gas separations because of their high selectivity. Although the dual-mode permeation model correctly fits their sorption and permeation isotherms, its physical interpretation is disputed, and it does not describe ...
Atkins P., Bohlen J., Bondi A., Breck D. W., Bunker D. L., Bunker D. L., Chandler D., Crank J., Donaldson D. J., Engel T., Erb A. J., Gotthardt P., Goworek T., Guo J., Hallinan D. T., Hallinan D. T., Hofmann D., Houston P., Huang Y., Hölck O., Jian Z., Lide David R., Mark J. E., Minelli M., Neyertz S., Paul D. R., Petropoulos J., Somorjai G. A., Willard A. P., Yampolskii Y. P.   +29 more
core   +2 more sources

A Novel Fault Diagnosis Method for a Power Transformer Based on Multi-Scale Approximate Entropy and Optimized Convolutional Networks

Entropy
Dissolved gas analysis (DGA) in transformer oil, which analyzes its gas content, is valuable for promptly detecting potential faults in oil-immersed transformers.
Haikun Shang, Zhidong Liu, Yanlei Wei, Shen Zhang   +3 more
doaj   +1 more source

Gas production mechanism of Irgamet 39 and its long‐term corrosion resistance

High Voltage, 2023
The phenomenon of transformer failure caused by oil‐sulphur corrosion of oil₋paper insulation system has always been concerned by scholars. Irgamet 39 is the most used metal passivator for inhibiting sulphur corrosion. However, Irgamet 39 causes abnormal
Huiying Xiang, Yuan Yuan, Guoyong Liu, Xue Gao, Cheng Zhang, Jiang Zhou, Ruijin Liao   +6 more
doaj   +1 more source

A dimensional analysis of supersaturated total dissolved gas dissipation [PDF]

, 2015
Elevated levels of total dissolved gas (TDG) may occur downstream of dam discharges, leading to increased incidence of gas bubble disease in fish. Accelerating the dissipation of supersaturated TDG in the downstream river can mitigate this negative ...
GUALTIERI, CARLO, GUALTIERI, PAOLA, J. Feng, R. Li   +3 more
core  

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

Molecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Data-driven Fault Diagnosis of Power Transformers using Dissolved Gas Analysis (DGA)

International Journal of Technology, 2020
A power transformer is a critical piece of equipment in a power plant for distributing electricity, and it experiences thermal and electrical stresses during operation.
Arian Dhini, Akhmad Faqih, Benyamin Kusumoputro, Isti Surjandari, Andrew Kusiak   +4 more
doaj   +1 more source

Diagnosis Kondisi Transformator Berbasis Analisis Gas Terlarut Menggunakan Metode Sistem Pakar Fuzzy [PDF]

, 2015
Dissolved gas analysis of transformer oil is one of the most effective ways to determine the transformer condition. Currently, there are many interpretation techniques that have been used in data processing of dissolved gas analysis results. However, all
Nurhasanah, R. (Rini), Suyono, H. (Hadi), Yulisusianto, G. (Gatut)   +2 more
core  

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

FEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento, Danniel Pereira‐Figueiredo, Gabriella Grossi de Lima Dias, Gabriel Ferreira dos Santos, Mariana Rodrigues Pereira, Rafael Brito, Karin C Calaza   +6 more
wiley   +1 more source

Methane Venting in Gas Hydrate Potential Area Offshore of SW Taiwan: Evidence of Gas Analysis of Water Column Samples

Terrestrial, Atmospheric and Oceanic Sciences, 2006
Water column samples were collected systematically in several potential gas hydrate areas offshore of SW Taiwan for analysis of dissolved gases. Some these samples show unusually high dissolved methane concentrations at sites A, B, C, and H of cruise ORI-
Tsanyao Frank Yang, Pei-Chuan Chuang, Saulwood Lin, Ju-Chin Chen, Yunshuen Wang, San-Hsiung Chung   +5 more
doaj   +1 more source