Results 1 to 10 of about 142 (118)
Estimation of hydrogenerator rotor dynamic thermal margine [PDF]
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2022 Field winding temperature of the synchronous generator is one of limiting factors shaping generator PQ capability curve. Therefore of great operational importance is to have information about this temperature estimated with the utmost accuracy. It can be
Klasnić Ilija +4 more
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Practical Modal Analysis of a Prototyped Hydrogenerator [PDF]
Vibration, 2021 The vibration on the stator core of hydrogenerators caused by electromagnetic forces is an important factor affecting the reliability and long-lasting operation of a machine.
Allan de Barros +3 more
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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
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IEEE Access, 2021 Thermal management is often considered a bottleneck in the pursuit of the next generation hydrogenerator in the electric power system. Overheating of the complex rotor parts has become one of the main problems affecting safe and stable hydrogenerator ...
Han Jichao +5 more
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IEEE Access, 2022 Ventilation cooling design is one of the key technologies during the design of large hydrogenerator. With the increase of hydrogenerator capacity, the overheating problem of rotor region become more and more serious.
Han Jichao +8 more
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Stress-Strained State of the Thrust Bearing Disc of Hydrogenerator-Motor
Computation, 2023 In this article, the main causes of vibration in the thrust bearing of hydrogenerator motors rated 320 MW are considered. The main types of internal and surface defects that appear on the working surface of the thrust bearing disc during long-term ...
Oleksii Tretiak +7 more
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Energies, 2023 In this paper, a three-dimensional turbulent fluid dynamics numerical model of a 311 MVA full hydroelectric power plant unit is made, using the finite element method, to study and understand the ozone transport mechanisms inside the enclosured electric ...
Rodrigo M. S. de Oliveira +4 more
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Омский научный вестник, 2023 This article presents a comparative analysis of the technical and economic efficiency of a derivation-type inverter micro hydro power plant with an energy storage system and an auto-ballasted micro hydro power plant.
B. V. Lukutin, M. M. Popov
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Праці Інституту електродинаміки Національної академії наук України, 2021 The paper presents results of analysis of the influence of the thickness of the dielectric substrate of a capacitive beating sensor, the electrodes of which are made of foil dielectric type FR4, on the transformation function of the sensor by methods of ...
В.О. Березниченко +1 more
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Axial Vibration Analysis of Thrust Support of Vertical Hydrogenerator Unit [PDF]
E3S Web of Conferences, 2021 Axial vibration is the main accident that affects the normal function of the vertical hydro-generator unit and endangers the use of the unit. There are many reasons for the axial vibration of the unit.
Long Yuanlin, Ye Yuping
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