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**Harvard**

Cabré Gimeno, M. (2017) *Network Modelling of Cooling of Hydro-Generators. A Thermal and Fluid Model.*. Göteborg : Chalmers University of Technology (Diploma work - Department of Applied Mechanics, Chalmers University of Technology, Göteborg, Sweden, nr: 2017:45).

** BibTeX **

@mastersthesis{

Cabré Gimeno2017,

author={Cabré Gimeno, Marc},

title={Network Modelling of Cooling of Hydro-Generators. A Thermal and Fluid Model.},

abstract={Air-cooling is the most common way of cooling large generators like those used in
hydropower. However, because these machines are quite complex and therefore, understanding
the cooling of these machines is not easy. The details of the air flow
inside of the generator is still a field in which the academics are doing research and
developing more detailed and accurate CFD studies. The downside of these CFD
studies is that they often involve the use of more computational resources and time.
This lack of versatility of CFD studies makes its use impossible for daily small design
tests. In this area, the lumped parameter thermal models are the tools used to get
fast and good enough results that allow designers to test little modifications.
The present work consist of the development of a versatile lumped parameter model,
implemented in Matlab/Simulink, to study the cooling of hydro-generators from a
thermal and fluid perspective, contributing to future ventilation studies and research.
The model created is based on a 3D network modelling of a Voith Hydro
real generator, using lumped element strategy and is able to run transient simulations
in a very short amount of time. The model is validated with real thermal data
and is finally used to perform a parametric study of the outlets of the stator cooling
ducts of the modelled generator.},

publisher={Institutionen för tillämpad mekanik, Strömningslära, Chalmers tekniska högskola},

place={Göteborg},

year={2017},

series={Diploma work - Department of Applied Mechanics, Chalmers University of Technology, Göteborg, Sweden, no: 2017:45},

keywords={Hydropower, Generator, Cooling, Ventilation, Lumped element, Thermal network, Fluid network, Transient simulation, 3D network modelling, parametric study },

}

** RefWorks **

RT Generic

SR Electronic

ID 249977

A1 Cabré Gimeno, Marc

T1 Network Modelling of Cooling of Hydro-Generators. A Thermal and Fluid Model.

YR 2017

AB Air-cooling is the most common way of cooling large generators like those used in
hydropower. However, because these machines are quite complex and therefore, understanding
the cooling of these machines is not easy. The details of the air flow
inside of the generator is still a field in which the academics are doing research and
developing more detailed and accurate CFD studies. The downside of these CFD
studies is that they often involve the use of more computational resources and time.
This lack of versatility of CFD studies makes its use impossible for daily small design
tests. In this area, the lumped parameter thermal models are the tools used to get
fast and good enough results that allow designers to test little modifications.
The present work consist of the development of a versatile lumped parameter model,
implemented in Matlab/Simulink, to study the cooling of hydro-generators from a
thermal and fluid perspective, contributing to future ventilation studies and research.
The model created is based on a 3D network modelling of a Voith Hydro
real generator, using lumped element strategy and is able to run transient simulations
in a very short amount of time. The model is validated with real thermal data
and is finally used to perform a parametric study of the outlets of the stator cooling
ducts of the modelled generator.

PB Institutionen för tillämpad mekanik, Strömningslära, Chalmers tekniska högskola,

T3 Diploma work - Department of Applied Mechanics, Chalmers University of Technology, Göteborg, Sweden, no: 2017:45

LA eng

LK http://publications.lib.chalmers.se/records/fulltext/249977/249977.pdf

OL 30