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HYDRO-GENERATOR: 作品数：11被引量：14H指数：2; 导出分析报告; 相关领域：电气工程更多>>; 相关机构：清华大学更多>>; 相关期刊：《Journal of Power and Energy Engineering》《CES Transactions on Electrical Machines and Systems》《Journal of Energy and Power Engineering》《Science China(Technological Sciences)》更多>>; 相关基金：国家自然科学基金中国博士后科学基金更多>>

An ultra-thin bolt tension sensor and online monitoring system:For application in hydropower plant unit: 《Frontiers of Structural and Civil Engineering》2024年第9期1388-1400,共13页Shaoquan ZHANG Yanke TAN Hanbin GE Qilin ZHANG; The condition of bolted connections significantly affects the structural safety.However,conventional bolt tension sensors fail to provide precise measurements due to their bulky size or inadequate stability.This study...; 关键词：ultra-thin sensor high-strength bolt tension online monitoring system anomaly alarm hydro-generator units

Investigation of Oil Vapours in Hydro-Generator: 《Journal of Power and Energy Engineering》2024年第3期19-30,共12页Ekaterina Shubina Dmitry Verkhovtsev Stanislav Gulay Andrey Lyamin; The article discusses engineering approaches to solving the problem of oil vapours in generators. Due to the design characteristics of each power plant, it is difficult to find a typical solution. Nevertheless, the ar...; 关键词：HYDRO-GENERATOR COOLING Oil Mist Bearings Fluid Dynamics

Thermal Performance Prediction in the Air Gap of a Rotor-Stator Configuration: Effects of Numerical Models: 《Journal of Thermal Science》2020年第1期206-218,共13页DANG Dinh-Dong PHAM Xuan-Tan NGUYEN Chi-Cong; the Natural Sciences and Engineering Research Council of Canada (NSERC);Fonds de recherche du Quebec-Nature et Technologies (FRQNT) for their financial support;the Hydro-Quebec Research Institute (IREQ) for the funding; This study is dedicated to a numerical investigation of convective heat transfer on the rotor surfaces of a rotor-stator configuration that is typically found in large hydro-generators.The computational fluid dynamics...; 关键词：hydro-generators electrical cooling mixing plane windage loss conjugate heat transfer

3D Eddy Current and Temperature Field Analysis of Large Hydro-generators in Leading Phase Operations被引量：6: 《CES Transactions on Electrical Machines and Systems》2019年第2期210-215,共6页Ning Wang Huifang Wang Shiyou Yang; As a common practice,a large hydro-generator will operate in leading phase conditions to absorb the reactive power of the power grid.However,the accurate and precise prediction of the leading phase operation capacity ...; 关键词：Eddy current field HYDRO-GENERATOR 3D finite element method temperature field.

Development of a Full Parameterized FE-modeling Tool for Efficient Vibration Investigations on End Windings of Turbo- and Hydro-Generators: 《Journal of Energy and Power Engineering》2013年第8期1496-1504,共9页Bemd Schlegl Christian Scheinecker Andreas Marn Fritz Neumayer Mario Himmelreich Franz Heitmeir; End windings of generators are excited to vibrations due to electromagnetic forces which can cause severe damage and noise. To avoid this, it is important to predict the natural frequencies and modes of the end windin...; 关键词：Electrical machines end windings finite element method generators hydro generator power generation vibrationproblems.

Simplified mathematical model of inter-turn short circuit of field windings in hydro-generators and its application被引量：5: 《Science China(Technological Sciences)》2013年第4期898-909,共12页HAO LiangLiang WU JunYong SUN YuGuang WANG XiangHeng; supported by the National Natural Science Foundation of China (Grant No. 50807027);the China Postdoctoral Science Foundation(Grant No. 2012M520155);the Fundamental Research Funds for the Central Universities (Grant No. 2013JBM081); Inter-turn short circuit of field windings is a common electrical fault of generators.Simulation is an important method of investigating the fault and providing data support for fault monitoring.However,huge numbers o...; 关键词：HYDRO-GENERATOR field windings inter-turn short circuit simplified model on-line monitoring

Research on remote hydro-generator sets diagnosis system被引量：1: 《Journal of Harbin Institute of Technology(New Series)》2011年第1期73-76,共4页陈喜阳熊浩吴炜张克危; Sponsored by the National Pandeng Project(Grant No.PD9521907); A type of remote monitoring and diagnosis system is brought forward which based on Matlab Web Server.Firstly,wavelet packet decomposition is introduced to acquire energy features of which reflect hydrogenerator sets p...; 关键词：wavelet packet energy feature BP Neural Network remote monitoring and diagnosis Matlab Web Server hydro-generator sets

The Selection of Cooling Systems of Giant Hydro-Generators: 《Electricity》2010年第2期45-49,共5页Li Dingzhong China Hydropower Engineering Consulting Group; The selection of cooling system for hydro-generator in Ertan Hydropower Station is reviewed in this paper. The new viewpoint on air-cooled system of hydraulic generator of recent years is analyzed and described. That ...; 关键词：HIGH The Selection of Cooling Systems of Giant Hydro-Generators

NUMERICAL RESEARCH ON WATER GUIDE BEARING OF HYDRO-GENERATOR UNIT USING FINITE VOLUME METHOD: 《Journal of Hydrodynamics》2007年第5期635-642,共8页PENG Yu-cheng CHEN Xi-yang ZHANG Ke-wei HOU Guo-xiang; With the consideration of the geometry of tilting pad journal bearing, a new form of the Reynolds equation was derived in this article. The film thickness, the squeeze motion of the journal and the rotation motion of ...; 关键词：hydro-generator unit Reynolds equation tilting pad journal bearing Finite Volume （FV） method

Resonance of electromagnetic and mechanic coupling in hydro-generator被引量：2: 《Journal of Harbin Institute of Technology(New Series)》2006年第5期531-534,共4页姚大坤邹经湘曲大庄赵树山于开平; Sponsored by the National Natural Science Foundation of China(Grant No.59493700),Key Project of the National Tenth-Five Year Research Programme of China(Grant No.ZZ01-01-04-03).; Electromagnetic and mechanical forces are main reasons of oscillations in hydro-generators.The oscillation is fairly complicated as to the coupling of them.Using the method of multiple scales in nonlinear oscillations...; 关键词：HYDRO-GENERATOR INSTABILITY COUPLING RESONANCE

HYDRO-GENERATOR