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Sökrutin för optimering av effekten i ett vindkraftverk med variabelt varvtal

Bengtsson, P. (1987) In MSc Theses
Department of Automatic Control
Abstract
To get a wind power plant with variable speed to deliver maximum power at actual windspeed it is important that the speed of the turbine is correct. This paper describles a mthod how to obtain this, by optimization of a parameter of amplification, KQ, in the electrical control of the power plant. A model of the wind power plant and the optimizing algorithm have been designed and implemented in the simulation language Simnon. The optimization algorithm works in the following way. Add a test signal to KQ so that a power variation is obtained. Estimate the crosscovariance between the test signal and the power variation. The result of the estimation is then used to adjust KQ to its optimum. Simulations with the model shows that it is possible... (More)
To get a wind power plant with variable speed to deliver maximum power at actual windspeed it is important that the speed of the turbine is correct. This paper describles a mthod how to obtain this, by optimization of a parameter of amplification, KQ, in the electrical control of the power plant. A model of the wind power plant and the optimizing algorithm have been designed and implemented in the simulation language Simnon. The optimization algorithm works in the following way. Add a test signal to KQ so that a power variation is obtained. Estimate the crosscovariance between the test signal and the power variation. The result of the estimation is then used to adjust KQ to its optimum. Simulations with the model shows that it is possible to optimize KQ, even in wind disturbed by turbulence, when starting with the wrong KQ value. (Less)
Please use this url to cite or link to this publication:
author
Bengtsson, P.
supervisor
organization
year
type
H3 - Professional qualifications (4 Years - )
subject
publication/series
MSc Theses
report number
TFRT-5370
ISSN
0280-5316
language
Swedish
id
8849500
date added to LUP
2016-03-27 17:11:05
date last changed
2016-03-27 17:11:05
@misc{8849500,
  abstract     = {To get a wind power plant with variable speed to deliver maximum power at actual windspeed it is important that the speed of the turbine is correct. This paper describles a mthod how to obtain this, by optimization of a parameter of amplification, KQ, in the electrical control of the power plant. A model of the wind power plant and the optimizing algorithm have been designed and implemented in the simulation language Simnon. The optimization algorithm works in the following way. Add a test signal to KQ so that a power variation is obtained. Estimate the crosscovariance between the test signal and the power variation. The result of the estimation is then used to adjust KQ to its optimum. Simulations with the model shows that it is possible to optimize KQ, even in wind disturbed by turbulence, when starting with the wrong KQ value.},
  author       = {Bengtsson, P.},
  issn         = {0280-5316},
  language     = {swe},
  note         = {Student Paper},
  series       = {MSc Theses},
  title        = {Sökrutin för optimering av effekten i ett vindkraftverk med variabelt varvtal},
  year         = {1987},
}