Results 101 to 110 of about 550 (166)

Characteristics of On-line Prolonged Partial Discharge on Hydrogenerator using Acoustic and Electrical Measurement Methods [PDF]

open access: yes
Recently, many equipments in power facilities, especially hydrogenerators installed at high-growth period of the economy will pass over about 40 years, and is seeing an updating term.
オオツボ, マサヒサ   +55 more
core  

Novel partial discharge monitoring method based on electromagnetic testing for hydrogenerators

open access: yes四川大学学报. 自然科学版
Partial discharge (PD) monitoring is a well-established technique for diagnosing insulation faults in generator stator windings.However, traditional pulse current monitoring methods, which rely on capacitive sensors to capture PD signals, face several ...
WANG Hai-Ping   +7 more
doaj  

Design, simulation, and prototype testing of a portable hydrogenerator for cruising and racing sailboats

open access: yes
This thesis focuses on the design, simulation, and prototype testing of a new portable hydrogenerator with a non-axial propeller configuration intended for use as an auxiliary power source on cruising and racing sailboats.
Dicta Sajeev, Neerad Parveen
core  

Synchronous machines parameters determination using finite elements method. [PDF]

open access: yes
The paper deals with the determination of synchronous machine parameters using a 2D Finite Element Method – FEM (Flux2D- Cedrat). Simulations of no-load sudden three phase short- circuits are performed in rotation, the saturation effects and the eddy ...
Schafer, D.   +4 more
core  

Influence of a pole tip form in gydrogenerator on its inner magnetic field

open access: yes, 2008
В статье рассмотрено влияние формы полюсного наконечника гидрогенератора типа СВ-1500/110-116 на форму распределения магнитной индукции в воздушном зазоре.
Высочин, Александр Иванович   +2 more
core  

音響・電気信号ハイブリッド検出による運転中水車発電機の部分放電特性

open access: yes
Establishment of condition based maintenance for hydrogenerator is very im portant for monitoring the insulation of stator windings. The partial discharge testing is a promising method of condition monitoring of hydrogenerator stator winding insulation ...
藤井, 太志   +34 more
core  

PTFE faced bearings for marine propulsion applications

open access: yes, 2006
PTFE faced bearing technology, already established for hydrogenerator use, has been further developed for civil and military marine applications. The paper describes this type of bearing and the advantages compared with conventional babbitt.
Simmons, J. E L, Knox, Robert T.
core  

Vibromechanics of high-power synchronous generator stators under peripheral magnetization

open access: yes, 2008
На базе новых теоретических подходов и экспериментальных данных выполнено расчетное исследование вибромеханического состояния сердечников статоров турбо- и гидрогенераторов при кольцевом намагничивании в процессе испытаний на нагревание.Calculations of ...
Шпатенко, Виктор Сергеевич   +2 more
core  

Pico turbines, the solution to self-supply energy to the water supply network. A case study in Las Palmas de Gran Canaria

open access: yes
This paper describes the integration of the pico turbines in the drinking water network of the city of Las Palmas de Gran Canaria (Spain).Pico turbine; Pico-hydroelectric power system; Pico-hydrogenerator; Drinking water supply ...
Borge-Diez, David   +3 more
core  

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