Power system sensitivity analysis considering induction motor loads

Dong, Z.Y., Mishra, Y., & Zhang, P. (2009) Power system sensitivity analysis considering induction motor loads. In Advances in Power System Control, Operation and Management (APSCOM 2009), 8-11 November 2009, Kowloon Shangri La Hote, Hong Kong.

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Abstract

Power system operation and planning are facing increasing uncertainties especially with the deregulation process and increasing demand for power. Probabilistic power system stability assessment and probabilistic power system planning have been identified by EPRI as one of the important trends in power system operations and planning. Probabilistic small signal stability assessment studies the impact of system parameter uncertainties on system small disturbance stability characteristics. Researches in this area have covered many uncertainties factors such as controller parameter uncertainties and generation uncertainties. One of the most important factors in power system stability assessment is load dynamics. In this paper, composite load model is used to consider the uncertainties from load parameter uncertainties impact on system small signal stability characteristics. The results provide useful insight into the significant stability impact brought to the system by load dynamics. They can be used to help system operators in system operation and planning analysis.

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ID Code: 57724
Item Type: Conference Paper
Refereed: Yes
Keywords: Probability power system small signal stability, sensitivity analysis, load modeling, eigenvalue analysis
DOI: 10.1049/cp.2009.1815
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 04 Mar 2013 01:59
Last Modified: 24 Jul 2013 02:24

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