NDLI: Optimal allocation of PMUs in active distribution network considering reliability of state estimation results

Content Provider	IET Digital Library
Author	Gholami, Mohammad Abbaspour, Ali Dehkordi, Sajjad Fattaheian Lehtonen, Matti Aghtaie, Moein Moeini Fotuhi, Mahmud
Abstract	Due to the lack of data in active distribution networks, employing new accurate measurement devices like phasor measurement units (PMUs) and micro-PMUs with a high reporting rate becomes an inevitable choice for the future vision of distribution systems. As a result, different algorithms have been presented to optimally place PMUs cost-effectively based on the estimation errors of the distribution state estimation (DSE) results. However, any component failure in measurement devices or communication links between sending ends and monitoring system of the distribution management system can significantly affect the DSE results. In response, this study introduces the reliability of satisfying accuracy constraints (RSACs) as an important requirement in the DSE problem. This reliability index along with the estimation errors of the DSE results are then used as two performance indices for determining the optimal number and location (configuration) of PMUs. Finally, the performance of the proposed algorithm in comparison with traditional approaches in different topologies and operating conditions of two considered ADNs is evaluated. The results proved that employing the RSACs in the optimal PMU placement problems leads to a PMU configuration with the optimum RSACs and also the cost and latency of the communication system between all configurations which have the same measurement cost and satisfy accuracy constraints of DSE results.
Starting Page	3641
Ending Page	3651
Page Count	11
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 18, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1946
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-07-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Accurate Measurement Device Active Distribution Network Active Distribution Network Considering Reliability Communication System Distribution Management System Distribution Network Distribution State Estimation Result Distribution System DSE Problem DSE Result Estimation Error High Reporting Rate Measurement Cost Monitoring System Optimal Number Optimal PMU Placement Problem Optimisation Optimisation Technique Phase And Gain Measurement Phase Measurement Phasor Measurement PMUs Cost-effectively Power System Measurement Power System Measurement And Metering Power System State Estimation Reliability Index State Estimation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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