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3D Transient Electromagnetic-Temperature Field Analysis of the Loss and Heat of the Damper Bars of a Large Tubular Hydro-Generator during Short Circuit Faults

Qing-Ling Hu, Ke Xiao, Zhi-Ting Zhou, Zhen-Nan Fan, Yong Yang, Zu-Ying Bian, Jing-Can Li, Bing Yao
2020 IEEE Access  
This paper studies a real 36-MW large tubular hydro-generator to solve the transient variation problem of the loss and heat of damper bars during short circuit faults in tubular hydro-generators.  ...  INDEX TERMS Damper bar, loss and heat, short-circuit, 3D transient electromagnetic-temperature field analysis, tubular hydro-generator.  ...  [3] - [9] , research work on the transient analysis of the electromagnetic and temperature fields responsible for the loss and heat transient process of damper windings of tubular hydro-generators during  ... 
doi:10.1109/access.2020.3008156 fatcat:36jitoxk5jan7nnqktwbtew4um

Table of Contents

2020 2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)  
Generator Based on Virtual Synchronous Generator Protection in Active Distribution Network Against Short Circuit Fault and Broken line Fault 1685 Po02-44 Distributed Generation Optimal Placing Approach  ...  Lines Based on the Frequency-length Factor 1960 Po03-43 Analysis and Simulation of Functional Properties of Large Power Grid 1965 Po03-44 Delay Analysis and Improvement of Intraday Generation  ... 
doi:10.1109/ei250167.2020.9347098 fatcat:uzijufuzb5ab3blgftr5niughe

Trends in preference, programming and design of concert halls for symphonic music

Anders C. Gade
2008 Journal of the Acoustical Society of America  
Heat and Fluid Flow, 2006͒.The direct noise computation of the flow around a 3D airfoil reaches the limits of current computational capacities.  ...  A phase contrast analysis for temperature mapping has been investigated, based on the temperature dependence of sound speed of water and tissue.  ...  Thus Acoustic Emission ͑AE͒, which represents the generation of transient ultrasonic waves in a material under load, is used to discriminate the different damage mechanisms in composite materials.  ... 
doi:10.1121/1.2932471 fatcat:hhka5ml2fvcszklkzau2lw3gka

The structural acoustic properties of stiffened shells

Yu Luan
2008 Journal of the Acoustical Society of America  
During the 1990s acoustic criteria for injury were designated based upon temporary hearing loss.  ...  Beyond, this contradiction, specific space analysis models and tools can help to visualize the acoustic interactions between workstations, teams and departments accommodated in the same room.  ...  A phase contrast analysis for temperature mapping has been investigated, based on the temperature dependence of sound speed of water and tissue.  ... 
doi:10.1121/1.2932806 fatcat:zohbewf2k5h7fly2hoqzfdk42e

Acoustic GIS‐based monitoring of Atlantic cod ecosystems in coastal Newfoundland

George A. Rose
2008 Journal of the Acoustical Society of America  
During the 1990s acoustic criteria for injury were designated based upon temporary hearing loss.  ...  Beyond, this contradiction, specific space analysis models and tools can help to visualize the acoustic interactions between workstations, teams and departments accommodated in the same room.  ...  A phase contrast analysis for temperature mapping has been investigated, based on the temperature dependence of sound speed of water and tissue.  ... 
doi:10.1121/1.2932540 fatcat:v6w3j7upx5duhkunch6oai5jve

CERAMIC ABSTRACTS

1951 Journal of The American Ceramic Society  
entering the treating tube, because the data were taken during a short period when the purifier was not available It was a good grade of hydrogen, having been sent through a large-scale purifying outfit  ...  With h determined, the coefficient of heat loss, a, can be calculated from a = Ah, where X is heat con- (II).  ... 
doi:10.1111/j.1151-2916.1951.tb13010.x fatcat:b2wgun7pu5c5vjggufyeqr7ovi

3rd International Conference on High Speed Forming

M. Kleiner, A. E. Tekkaya, Technische Universität Dortmund, Technische Universität Dortmund
2008
Authors see the subject-matter under discussion as a promising direction and consider that it is necessary to continue more system and in-depth investigations.  ...  Conclusion The present project is supported by the Russian Fund of Fundamental Research.  ...  parameters and is used in a short-circuit mode in these experiments, as the short-circuited cable under test has a low impedance as compared to the internal generator impedance.  ... 
doi:10.17877/de290r-2643 fatcat:dum6y3tpzzh5jkdw4cubi7xog4

Robotic isotropy and optimal robot design of planar manipulators

M.V. Kircanski
Proceedings of the 1994 IEEE International Conference on Robotics and Automation  
, short circuit Earth fault protection schemes.  ...  relation 2) Symmetrical fault calculation • Short circuit of synchronous machine on no load • Short circuit of a loaded synchronous machines • Selection of circuit breaker • Algorithm for short  ...  the basic concepts, procedures and applications of the exciting and rapidly expanding field of Geographical Information Systems.  ... 
doi:10.1109/robot.1994.351213 dblp:conf/icra/Kircanski94 fatcat:uawqnzropbgivcanzqihtimt2m

APM 2016. Book of Abstracts [article]

"Advanced Problems In Mechanics" (APM 2016), International Conference (44; 2016; St. Petersburg), Russian Academy Of Sciences. Institute For Problems In Mechanical Engineering, University, Peter The Great St. Petersburg Polytechnic
2016
The authors kindly acknowledge funding from the project TAMER, Trans-Atlantic Micromechanics Evolving Research "Materials containing inhomogeneities of diverse physical properties, shapes and orientations  ...  The authors acknowledge financial support of the Russian Science Foundation (grant 15-19-10056 The authors acknowledge the support within the framework of IRSES Project TAMER (PIRSES-GA-2013-610547).  ...  electromagnetic fields.  ... 
doi:10.18720/spbpu/2/k16-40 fatcat:yegzycnwbrco7dwsdnsjxvwbc4