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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.4 No.2
- 발행연도
- 2009.6
- 수록면
- 149 - 158 (10page)
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It is important to derive reliable parameter values in the measurement-based load model development of electric power systems. However parameter estimation tasks, in practice, often face the parameter identifiability issue; whether or not the model parameters can be estimated with a given input-output data set in reliable manner. This paper introduces concepts and practical definitions of the local identifiability of model parameters. A posteriori local identifiability is defined in the sense of nonlinear least squares. As numerical examples, local identifiability of third-order induction motor (IM) model and a Z-induction motor (Z-IM) model is studied. It is shown that parameter illconditioning can significantly affect on reliable parameter estimation task. Numerical studies show that local identifiability can be quite sensitive to input data and a given local solution. Finally, several countermeasures are proposed to overcome ill-conditioning problem in measurement-based load modeling.
목차
Abstract
1. Introduction
2. A Priori and A Posteriori Identifiability
3. Test Dynamic Load Models
4. Numerical Studies
5. Concluding Remarks
6. Appendix
References
참고문헌 (24)
참고문헌 신청
1. [기타자료] - / 1990 / CIGRE Task Force 38.02.05, Load modeling and dynamics, Electra, May 1990
2. [학술지(정기간행물)] - IEEE Task Force on Load Representation for Dynamic Performance / 1993 / Load representation for dynamic performance analysis / IEEE Trans. Power Syst 8 (2) : 472 ~ 482
3. [학술지(정기간행물)] - IEEE Task Force on Load Representation for Dynamic Performance / 1995 / Bibliography on load models for power flow and dynamic performance simulation / IEEE Trans. Power Syst 10 (1) : 523 ~ 538
4. [학술지(정기간행물)] - B.-K. Choi / 2006 / Measurement-based dynamic load models: derivation, comparison, and validation / IEEE Trans. Power Syst 21 (3) : 1276 ~ 1283
5. [학술지(정기간행물)] - Y.Li / 2007 / Representative static load models for transient stability analysis: development and examination / IET Gener. Transm. Distrib 136 (2) : 68 ~ 77
2. [학술지(정기간행물)] - IEEE Task Force on Load Representation for Dynamic Performance / 1993 / Load representation for dynamic performance analysis / IEEE Trans. Power Syst 8 (2) : 472 ~ 482
3. [학술지(정기간행물)] - IEEE Task Force on Load Representation for Dynamic Performance / 1995 / Bibliography on load models for power flow and dynamic performance simulation / IEEE Trans. Power Syst 10 (1) : 523 ~ 538
4. [학술지(정기간행물)] - B.-K. Choi / 2006 / Measurement-based dynamic load models: derivation, comparison, and validation / IEEE Trans. Power Syst 21 (3) : 1276 ~ 1283
5. [학술지(정기간행물)] - Y.Li / 2007 / Representative static load models for transient stability analysis: development and examination / IET Gener. Transm. Distrib 136 (2) : 68 ~ 77
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