Using Simplified Models to Assist Fault Detection and Diagnosis in Large Hydrogenerators [PDF]
International Journal of Rotating Machinery, 2017 Based on experimental evidence collected in a set of twenty 700 MW hydrogenerators, this article shows that the operating conditions of large hydrogenerators journal bearings may have unpredictable and significant changes, without apparent reasons. These
Geraldo Carvalho Brito Junior +2 more
doaj +2 more sources
Assessing the Impacts of Flexible Operation Strategies on Classical Hydropower Generators for Advancing the Energy Transition [PDF]
, 2022 The worldwide energy transition from fossil fuel to renewable energy has disrupted the power and energy sectors, which results in new challenges and opportunities.
Karekezi, Yannick Cyiza
core +3 more sources
Localization of Partial Discharges in Hydrogenerators by Ozone Emission [PDF]
EnergiesWe suggest a new method of localization of partial discharges in high-power electrical systems. Ozone in a hydrogenerator is produced by chemical reactions induced by partial discharges in the stator region.
Victor Dmitriev +3 more
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Features of mathematical modeling of the thermal state of the bulb type hydrogenerators [PDF]
, 2017 Выполнен анализ различных конструкций гидрогенераторов. Показаны достоинства и недостатки различных вариантов компоновки конструкции в зависимости от действия сил различной природы.
Гакал, Павел Григорьевич +3 more
core +3 more sources
Advances in Modelling and Control of Wind and Hydrogenerators [PDF]
, 2020 Rapid deployment of wind and solar energy generation is going to result in a series of new problems with regards to the reliability of our electrical grid in terms of outages, cost, and life-time, forcing us to promptly deal with the challenging restructuring of our energy systems.
Amir Ebrahimi
+6 more sources
A new regularization method for dynamic load identification. [PDF]
Sci Prog, 2020 Dynamic forces are very important boundary conditions in practical engineering applications, such as structural strength analysis, health monitoring and fault diagnosis, and vibration isolation.
Wang L, Huang Y, Xie Y, Du Y.
europepmc +2 more sources
Forecast Model Update Based on a Real-Time Data Processing Lambda Architecture for Estimating Partial Discharges in Hydrogenerator. [PDF]
Sensors (Basel), 2020 Pereira FH +7 more
europepmc +3 more sources
Implementation of Hydrogenerator Overcurrent Protection with Minimum Voltage Blockage Using Embedded Systems [PDF]
Journal of Electrical and Electronics Engineering, 2015 This paper presents a modern and efficient solution for the implementation of the hydrogenerator overcurrent protection with minimum voltage blockage.
PURCARU Dorina +2 more
doaj +1 more source
New Design of Hydrogenerator Poles.
RE&PQJ, 2023 HydrogeneratorThe excess of reactive power generated by power transmission lines is the reason for impermissible increase of voltage at the terminals of the length power transmission lines for consumers. One of the alternative decisions for this problem could become at the hydropower station hydrogenerators, specially designed or reconstructed for ...
Kuchinskaia Z. M
openaire +2 more sources
The technology of restoration hydrogenerator rotor shape
Авіаційно-космічна техніка та технологія, 2023 The object of research in this article is the change in the rotor shape during the operation of hydraulic units. The subject of study in this article is the design and geometric state of the shape of a rotor with irregular geometry of hydraulic ...
Pavlo Makarov
doaj +2 more sources