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Farahani Shahvarooghi, Ali, Heydarian-Forushani, Ehsan, Zeraati, Mehdi, Hasanzadeh, Saeed. (1405). Enhancing State Estimation Accuracy in Distribution Networks: An Optimized Algorithm for Strategic Meter Placement. سامانه مدیریت نشریات علمی, 14(4), 241-248. doi: 10.22098/joape.2025.15292.2163
Ali Farahani Shahvarooghi; Ehsan Heydarian-Forushani; Mehdi Zeraati; Saeed Hasanzadeh. "Enhancing State Estimation Accuracy in Distribution Networks: An Optimized Algorithm for Strategic Meter Placement". سامانه مدیریت نشریات علمی, 14, 4, 1405, 241-248. doi: 10.22098/joape.2025.15292.2163
Farahani Shahvarooghi, Ali, Heydarian-Forushani, Ehsan, Zeraati, Mehdi, Hasanzadeh, Saeed. (1405). 'Enhancing State Estimation Accuracy in Distribution Networks: An Optimized Algorithm for Strategic Meter Placement', سامانه مدیریت نشریات علمی, 14(4), pp. 241-248. doi: 10.22098/joape.2025.15292.2163
Farahani Shahvarooghi, Ali, Heydarian-Forushani, Ehsan, Zeraati, Mehdi, Hasanzadeh, Saeed. Enhancing State Estimation Accuracy in Distribution Networks: An Optimized Algorithm for Strategic Meter Placement. سامانه مدیریت نشریات علمی, 1405; 14(4): 241-248. doi: 10.22098/joape.2025.15292.2163

Enhancing State Estimation Accuracy in Distribution Networks: An Optimized Algorithm for Strategic Meter Placement

Journal of Operation and Automation in Power Engineering
مقاله 1، دوره 14، شماره 4، اسفند 2026، صفحه 241-248    اصل مقاله (1.19 M)
نوع مقاله: Research paper
شناسه دیجیتال (DOI): 10.22098/joape.2025.15292.2163
نویسندگان
Ali Farahani Shahvarooghi1؛ Ehsan Heydarian-Forushani* 1؛ Mehdi Zeraati2؛ Saeed Hasanzadeh1
1Department of Electrical and Computer Engineering, Qom University of Technology, Qom, Iran.
2Power Systems Operation and Planning Research Department, Niroo Research Institute (NRI), Shahrak Ghods, Tehran, Iran.
چکیده
Accurate state estimation is crucial for the effective control and management of power grids, as it provides a comprehensive understanding of voltage magnitude and phase angle at network buses. Incorrect estimations may lead to damaging decisions and network collapse. This paper addresses the significance of precise state estimation in distribution networks and proposes an efficient algorithm for optimal measurement device allocation, aiming to minimize estimation errors. The algorithm considers both investment and technical constraints, utilizing an optimal alternative current (AC) power flow model that eliminates the need for exact values of active and reactive load demands. The proposed method identifies optimal locations for installing a specific number of phasor measurement units (PMUs) across the network. The application of the algorithm to 33-bus and 69-bus test systems demonstrates its effectiveness in enhancing state estimation accuracy. Results reveal that optimizing the number and location of measurement devices significantly improves outcomes. A comparative analysis with the conventional weighted least squares (WLS) algorithm underscores the applicability of the proposed model, particularly in distribution networks with limited measurement devices. The proposed method formulates optimal meter placement problems in distribution networks based on an optimal power flow model, which has a superior performance in both accuracy and convergence without needing to exact nodal demands for state estimation. This research contributes to the advancement of state estimation procedures, offering a practical approach to enhance accuracy and reliability in power grid management.
کلیدواژه‌ها
Alternative current optimal power flow؛ distribution network؛ meter placement؛ state estimation
مراجع
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