Results 61 to 70 of about 550 (166)

A Novel Cooling Technique to Improve the Thermal Characteristics of a Permanent Magnet Generator Using an Earth–Air Heat Exchanger

Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
In the current study, a novel cooling technique has been developed to enhance the thermal characteristics of a permanent magnet generator (PMG) by integrating with an earth–air heat exchanger (EAHE). The paper introduces a comprehensive thermal model of PMG, calculating thermal resistances based on the dimensions of a chosen 500‐kW PMG as a case study.
Amany R. Nasr, Ebrahim A. Badran, Ibrahim I. I. Mansy, Ayman Al-Quraan   +3 more
wiley   +1 more source

Dynamics and strength of housings and supporting elements of hydrogenerator design

, 2021
Виконано аналіз причин виникнення аварійних ситуацій в вузлі підп’ятника гідрогенератора великої потужності. Розглянуто існуючі методики розрахунків напруженого стану камер підп’ятника, як найбільш навантажених елементів гідроагрегату.
Третяк, Олексій Володимирович, Гнитько, Олександр Миколайович, Кобзар, Ігор Володимирович, Полієнко, Владислав Русланович   +3 more
core   +1 more source

Synchronous Generator Out of Step Detection Using Real Time Load Angle Data

Energies, 2020
Although the power system usually always appears stable and reliable to consumers, a lot of work and research goes into keeping the power system both stable and reliable under constantly changing conditions and in these increasingly demanding times.
Ivan Višić, Ivan Strnad, Ante Marušić   +2 more
doaj   +1 more source

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.
openaire   +2 more sources

Multi Domain Matrix (MDM) of the Vertical Hydrogenerator [PDF]

, 2019
Purpose of this work was to show connections between vertical hydrogenerator design parameters. Authors made DSM (Design Structure Matrix), to show design parameters dependencies, first matrix size was reduced and it does not consist of all design ...
Stamać, Lucijan, Marjanović, Dorian, Triplat, Ivan   +2 more
core   +1 more source

Development of Insulation Diagnosis System of On-line Hydrogenerator Stator Windings using Acoustic Emission Detection Techniques [PDF]

Establishment of Condition Based Maintenance (CBM) for hydrogenerator is very important for monitoring the insulation of stator windings. The partial discharge (PD) testing is a promising method of stator winding insulation of hydrogenerator conditions
7147, Sung, Youl-Moon, オオツボ, マサヒサ, 田邊, 泰典, Kaneko, Tadamitsu, タナカ, カズヒロ, 福良, 敦司, 15947, 上田, 隆司, 本田, 親久, 15964, タケムラ, アキト, Sung, Youl Moon, 15963, 6647, 15962, タケノウチ, オサム, 田中, 和洋, 15946, 11962, 15945, カネコ, タダミツ, 大坪, 昌久, ホンダ, チカヒサ, 金子, 正光, フクラ, アツシ, Takenouchi, Osamu, ウエダ, タカシ, Honda, Chikahisa, 成, 烈汶, ソン, ヤルブン, Fukura, Atsushi, 竹村, 明人, Tanaka, Kazuhiro, 15953, 15952, Takemura, Akito, タナベ, ヤスノリ, 竹之内, 修, Tanabe, Yasunori, Ueda, Takashi, 6715, 6637, Otsubo, Masahisa, 15955, 15954   +45 more
core   +1 more source

Avaliação das propriedades elétricas de barras estatóricas fabricadas com resina do tipo éter diglicidílico do bisfenol F (DGEBF) contendo nanopartículas de silica

Polímeros
Resumo O presente trabalho visa apresentar resultados da aplicação de uma resina epóxi bisfenólica (DGEBF) à base de nanopartículas de sílica (RN) e comparar suas propriedades com a resina convencional de referência epóxi bisfenólica (DGEBA) (RE ...
Rafael Novaes da Conceição, João Sinézio de Carvalho Campos   +1 more
doaj   +1 more source

Analysis of heat state of hydrogenerator spider - motor of high power at special conditions of operator [PDF]

, 2017
В роботі проведено дослідження основних елементів конструкції гідрогенераторів вертикального виконання, а саме статору, ротору у складі втулки, спиць, обода ротору, полюсів і надставки валу, направляючого підшипника з пристроєм мащення і охолодження ...
Третяк, Олексій Володимирович, Трибушной, Микита Віталійович, Шуть, Олександр Юрійович   +2 more
core   +1 more source

Two-Phase Flow Characteristics of Evaporative Cooling System for Large-Capacity High-Speed Hydrogenerators' Rotor

CES Transactions on Electrical Machines and Systems
Research of evaporative cooling system for a rotor is of great significance for large-capacity, high-speed hydrogenerators. The two-phase flow characteristics are important parameters of the evaporative cooling system, and it is urgent to research the ...
Jiaqi Rao, Bin Xiong, Ruiwei Li
doaj   +1 more source

Measurement verification of a field-circuit model of the 55.5 mv a hydrogenerator [PDF]

, 2016
A two-dimensional, field-circuit model of a 55.5 MVA hydrogenerator is presented in the paper. This model takes into account the fractional-pitch stator winding, the rotor damper squirrelcage, nonlinear magnetization curves and the rotor motion ...
Berhausen, Sebastian
core