Title :
The influence of model parameters and uncertainties on assessment of network wide costs of voltage sags
Author :
Avendano-Mora, M. ; Milanovic, Jovica V. ; Patel, B. ; Zhang, Y.
Author_Institution :
Sch. of Electr. & Electron. Eng., Univ. of Manchester, Manchester, UK
Abstract :
The paper analyzes the influence of model parameters and uncertainties on assessment of financial losses due to voltage sags. Several parameters associated with the stochastic estimation of system sag performance are considered, namely the number of fault positions on lines, fault resistance, transformer neutral impedance, time-varying fault rate, and pre-fault voltage profiles. Additionally, the influence of location in the network and composition of sensitive loads is also studied. The results of the analysis are illustrated using 295-bus generic distribution system (GDS).
Keywords :
fault diagnosis; power supply quality; stochastic processes; 295-bus generic distribution system; fault positions; fault resistance; financial losses; network wide costs; prefault voltage profiles; stochastic estimation; time-varying fault rate; transformer neutral impedance; voltage sags; Computer simulation; Costs; Electrical equipment industry; Manufacturing industries; Power quality; Power system modeling; Stochastic systems; Time varying systems; Uncertainty; Voltage fluctuations; financial losses; power quality; uncertainties; voltage sag;
Conference_Titel :
Electrical Power Quality and Utilisation, 2009. EPQU 2009. 10th International Conference on
Conference_Location :
Lodz
Print_ISBN :
978-1-4244-5171-5
Electronic_ISBN :
2150-6655
DOI :
10.1109/EPQU.2009.5318857
