Parametric Study on Dynamic Characteristics of Turbogenerator Stator End Winding
The material properties, including Young's modulus, Poisson's ratio, and density, of the structural components in the stator end winding of a typical 600-MW turbogenerator were experimentally measured; the equivalent bending stiffness of the conductor bars are determined by the three-point...
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Published in | IEEE transactions on energy conversion Vol. 29; no. 1; pp. 129 - 137 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
New York
IEEE
01.03.2014
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subjects | |
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Abstract | The material properties, including Young's modulus, Poisson's ratio, and density, of the structural components in the stator end winding of a typical 600-MW turbogenerator were experimentally measured; the equivalent bending stiffness of the conductor bars are determined by the three-point bending test, and the lower orders of natural frequencies and mode shapes were measured by modal test. The finite-element model of the stator end winding is set up, and its dynamic characteristics are numerically analyzed by means of the ABAQUS software. The numerical model is validated by the consistence of the numerically determined natural frequencies corresponding to the modes with elliptic shape with those measured by the modal test. With the finite-element model, parametric study on the natural frequencies and modes of the end winding is performed, which behaves instructive significance for the design and improvement of the turbogenerator stator end windings. |
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AbstractList | The material properties, including Young's modulus, Poisson's ratio, and density, of the structural components in the stator end winding of a typical 600-MW turbogenerator were experimentally measured; the equivalent bending stiffness of the conductor bars are determined by the three-point bending test, and the lower orders of natural frequencies and mode shapes were measured by modal test. The finite-element model of the stator end winding is set up, and its dynamic characteristics are numerically analyzed by means of the ABAQUS software. The numerical model is validated by the consistence of the numerically determined natural frequencies corresponding to the modes with elliptic shape with those measured by the modal test. With the finite-element model, parametric study on the natural frequencies and modes of the end winding is performed, which behaves instructive significance for the design and improvement of the turbogenerator stator end windings. |
Author | Bo Yan Changlin Chen Yang Zhao Qingwu Zhou Jianan Deng |
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References | ref13 patel (ref5) 1983; pas 102 gr ning (ref15) 2004 ref11 ref2 ref1 (ref16) 0 ref8 ref7 merkhouf (ref14) 2003; 1 ref9 senske (ref12) 1997 ref4 ref3 ref6 richard (ref10) 1996; 32 |
References_xml | – volume: 32 start-page: 1689 year: 1996 ident: ref10 article-title: Computation of forces and stresses on generator end windings using a 3D finite element method publication-title: IEEE Trans Magn doi: 10.1109/20.497581 contributor: fullname: richard – ident: ref9 doi: 10.1109/TEC.2012.2208645 – ident: ref13 doi: 10.1007/s002020050005 – start-page: 1 year: 1997 ident: ref12 article-title: Vibrational behaviour of the turbogenerator stator end winding in case of electrical failures publication-title: Proc Conf Int des Grands R seaux Electriques contributor: fullname: senske – ident: ref7 doi: 10.1109/UPEC.2008.4651488 – ident: ref11 doi: 10.1049/cp:19971059 – volume: 1 start-page: 111 year: 2003 ident: ref14 article-title: Generator end windings forces and natural frequency analysis publication-title: Proc IEEE Int Electr Mach Drives Conf doi: 10.1109/IEMDC.2003.1211250 contributor: fullname: merkhouf – ident: ref3 doi: 10.1109/TMAG.2010.2044043 – ident: ref8 doi: 10.1115/GT2008-51130 – ident: ref6 doi: 10.4236/epe.2011.33028 – ident: ref2 doi: 10.1109/ICPST.1998.729239 – ident: ref1 doi: 10.1109/TPAS.1980.319748 – ident: ref4 doi: 10.1109/TEI.1981.298401 – start-page: 115 year: 2004 ident: ref15 article-title: Electromagnetic forces and mechanical oscillations of the turbo generators publication-title: Proc Int Conf Elect Mach contributor: fullname: gr ning – year: 0 ident: ref16 – volume: pas 102 start-page: 1371 year: 1983 ident: ref5 article-title: End-winding vibrations in large synchronous generators publication-title: IEEE Trans Power App Syst doi: 10.1109/TPAS.1983.318088 contributor: fullname: patel |
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Snippet | The material properties, including Young's modulus, Poisson's ratio, and density, of the structural components in the stator end winding of a typical 600-MW... |
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SubjectTerms | Bars Conductors Dynamic characteristics Finite element analysis Finite element method Mathematical analysis Mathematical models Numerical models numerical simulation parametric study Resonant frequency stator end winding Stator windings Stators turbogenerator Turbogenerators Winding Windings |
Title | Parametric Study on Dynamic Characteristics of Turbogenerator Stator End Winding |
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