Impact of load modeling in distribution state estimation

Karimi, M. and Mokhlis, H. and Bakar, A.H.A. and Shahriari, A. and Faradonbeh, M.A. and Rosli, H.M. (2012) Impact of load modeling in distribution state estimation. In: 2012 IEEE International Power Engineering and Optimization Conference, PEOCO 2012, 2012, Melaka.

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Abstract

System state monitoring is crucial in order to maintain the system security, reliability and quality of a power system. Considering the limitation of monitoring devices in distribution network, state estimation technique could be employed. State estimation is an action of appraising an unknown system variables based on limited number of real-time measurements. The main objective of this paper is to find the suitable state estimation that able to estimate the state of the islanded distribution network. In this paper, state estimation for a distribution network is developed and enhanced by incorporating composite load model. By incorporating this model, the calculated state variables of the network will be more accurate (to obtain the most practical value of the system state variables). Moreover, the proposed state estimation results are compared with backward-forward sweep load flow technique to justify the system state variables.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 91838 Export Date: 17 April 2013 Source: Scopus Art. No.: 6230837 :doi 10.1109/PEOCO.2012.6230837 Language of Original Document: English Correspondence Address: Karimi, M.; Department of Electrical Engineering, Faculty of Engineering, University of MalayaMalaysia; email: mazaher@siswa.um.edu.my References: Fardanesh, B., Zelingher, S., (2001) Power System State Estimation: Modeling Error Effects and Impact on System Operation; Nagsarkar, T., Sukhija, M., (2007) Power System Analysis, , Oxford University Press; Lu, C., Distribution system state estimation (1995) IEEE Trans. Power Systems, 10, pp. 229-240; Wu, F.F., Power system state estimation: A survey (1990) International Journal of Electrical Power & Energy Systems, 12, pp. 80-87; Da Silva, A., Falcao, D., Bibliography on power system state estimation (1968-1989) (1990) IEEE Trans. Power Systems, 5, pp. 950-961; Bose, A., Clements, K.A., Real-time modeling of power networks (1987) Proceedings of the IEEE, 75, pp. 1607-1622; Schweppe, F.C., Power system static-state estimation, Part III: Implementation (1970) IEEE Trans. Power Apparatus and Systems, pp. 130-135; Saric, A.T., Ciric, R.M., Integrated fuzzy state estimation and load flow analysis in distribution networks (2003) IEEE Trans. Power Delivery, 18, pp. 571-578; Nguyen, N.V., (2010) Power System State Estimation with Fusion Method, pp. 71-76; Korres, G.N., A distributed multiarea state estimation (2011) IEEE Trans. Power Systems, pp. 1-12; Thukaram, D., A robust three-phase state estimation algorithm for distribution networks (2000) Electric Power Systems Research, 55, pp. 191-200; Deng, Y., A branch-estimation-based state estimation method for radial distribution systems (2002) IEEE Trans. Power Delivery, 17, pp. 1057-1062; Baran, M., Wu, F.F., Optimal sizing of capacitors placed on a radial distribution system (1989) IEEE Trans. Power Delivery, 4, pp. 735-743
Uncontrolled Keywords: Backward-forward sweep load flow; Distribution network; Distribution state Estimation; Load Modeling; Composite load model; Estimation results; Estimation techniques; Load flow; Load flow technique, Monitoring device; Real time measurements; State variables; System security; System state; System state variables; System variables; Electric load management; Electric power distribution; Optimization; State estimation
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 10 Jul 2013 08:46
Last Modified: 13 Nov 2017 07:55
URI: http://eprints.um.edu.my/id/eprint/7825

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