Results 71 to 80 of about 550 (166)

Algae control for hydrogeneration canals [PDF]

, 1997
The purpose of this Cooperative Research and Development Agreement (CRADA) was to assess and develop control practices for nuisance algae growth in power canal that delivers water to hydro-generation facilities. This growth results in expenditures related not only to lost generation but also labor and materials costs associated with implementing ...
openaire   +2 more sources

Characteristics of Partial Discharge on Operation Environments of Hydrogenerator Stator Windings using Acoustic Emission Detection Techniques [PDF]

Establishment of condition based maintenance 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, ツルタ, ヨシオ, オオツボ, マサヒサ, 藤井, 太志, Kaneko, Tadamitsu, Tsuruta, Yoshio, 15947, 12879, 上田, 隆司, 本田, 親久, イワモト, ヒデキ, トクミツ, アキヒロ, 岩元, 秀樹, 6647, 徳光, 明博, 12354, タケノウチ, オサム, 15946, 11962, 鶴田, 芳男, 12359, カネコ, タダミツ, Tokumitsu, Akihiro, 大坪, 昌久, ホンダ, チカヒサ, 金子, 正光, Fujii, Taishi, 12360, Takenouchi, Osamu, ウエダ, タカシ, Honda, Chikahisa, フジイ, タイシ, Iwamoto, Hideki, 竹之内, 修, Ueda, Takashi, 6637, Otsubo, Masahisa, 12368, 12369   +38 more
core   +1 more source

A new method for axis adjustment of the hydro-generator unit using machine learning

Scientific Reports, 2023
The power quality and efficiency of the hydro-power station depend on the stable operation of the hydro-generator unit, which needs to continue to operate and it is prone to axis failure.
Jie Cao, Yang Li, Zhaoyang Qu, Yunchang Dong, Yaowei Liu, Ruxuan Zhang   +5 more
doaj   +1 more source

The development of PTFE (polytetrafluoroethylene)-faced hydrodynamic thrust bearings for hydrogenerator application in the United Kingdom

, 1998
Polytetrafluoroethylene (PTFE)-faced hydrodynamic thrast bearings have been used for many years in the former Soviet Union and in the People's Republic of China for large hydrogenerator applications.
Simmons, J. E L, Knox, R. T., Moss, W. O., W. O. Moss, R. T. Knox, J. E. L. Simmons   +5 more
core   +1 more source

Modular hydrogenerator for small water power plants [PDF]

, 2022
W artykule przedstawiono projekt i budowę uniwersalnego hydrogeneratora modułowego. Maszyna ta spełnia oczekiwania rynku co do trendu wzrostowego produkcji energii elektrycznych z odnawialnych źródeł energii, w szczególności z małych elektrowni wodnych ...
Gozdowiak, Adam, Kisielewski, Piotr
core  

Micro-hydroelectric power station with a hydraulic unit regulation along a hydrogenerator anchor circuit

Известия Томского политехнического университета: Инжиниринг георесурсов
Relevance. The article provides a comparative analysis of micro-hydroelectric power stations with a hydraulic unit regulation along a hydrogenerator anchor circuit according to technical and economic efficiency.
Boris V. Lukutin, Elena B. Shandarova, Mikhail M. Popov   +2 more
doaj   +1 more source

Grey extra-deleting theory-based governor control for hydro-generator unit

The Journal of Engineering, 2015
The control effect by using the conventional method is not satisfied because of the grey character caused from time-variant parameters of hydro-generator units and its governor.
Ming-dong Wang, Wen-xia Su, Xian-lin Liu
doaj   +1 more source

AIR GAP CONTROL SYSTEM FOR HYDROGENERATORS

Devices and Methods of Measurements, 2017
In this paper, we report of the solving the actual problem of control the air gap in the hydrogenerators. The aim of the study was development of a computerized information-measuring system for measuring the air gap in the hydrogenator, which used two capacitive sensors with parallel coplanar electrodes, and the method of determining the shape of the ...
I. O. Zaitsev, A. S. Levytskyi, V. E. Sydorchuk   +2 more
openaire   +3 more sources

Fatigue life estimation in a hydrogenerator rotor with cracks using the finite element method

, 2018
Fatigue is a mechanical engineering field which has been well studied in recent years. This phenomenon is responsible for causing the great majority of mechanical failures in machine elements.
Silva, Fernando de Azevedo, Silva, Fernando de Azevedo [UNESP], Putini, Ednei Pedro Gomes [UNESP], Putini, Ednei Pedro Gomes   +3 more
core   +1 more source

Study on Current-Carrying Friction Characteristics and Corrosion Resistance of Carbon Brush/Collector Ring by Copper–Graphene Electrodeposition Process

Lubricants
The collector ring/carbon brush assembly of a hydrogenerator set is a critical component for transmitting excitation current into the self-exciting winding.
Meiyun Zhao, Jianwen Li, Chenshi Li, Yangyang Li, Xiaolong Zhang   +4 more
doaj   +1 more source