NDLI: Robust distribution system state estimation with hybrid measurements

Content Provider	IET Digital Library
Author	Kumar, C. Santhosh Rajawat, Ketan Chakrabarti, Saikat Pal, Bikash C.
Abstract	With growing connection of distributed energy resources, availability of demand side response technologies, deployment of smart meters, the distribution system needs advanced network automation for running the system efficiently. State estimation is the core driver of network automation. While the output from SMs will make the state estimation more accurate, advanced metering infrastructures come with several challenges such as noisy, erroneous measurement including lost or missed measurements, exposure to cyber attack and so on. This study proposes a three-phase unbalanced distribution system state estimation which is robust against noisy distribution system measurements, bad data attacks and missing or delayed measurements. This method considers measurement from hybrid sources such as SCADA, micro-phasor measurement units ( μ PMUs) and SMs. Kalman smoother is used to fill the missing measurements and expectation-maximisation based forecasting is used to interpolate the hybrid measurements to a common timestamp and compensate for the delay in SM measurements. Extensive numerical comparisons are made on IEEE 13, 37 and 123 bus systems to test the robustness of the proposed DSSE against delayed SM measurements and bad or noisy data. An IEEE 24 bus system is modelled and real-time measurement devices are interfaced to it in Hypersim. The data from the hybrid measurement devices of IIT Kanpur smart grid is also used to test the robustness of the proposed method.
Starting Page	3250
Ending Page	3259
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 16, Aug (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0260
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-05-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Advanced Metering Infrastructures Advanced Network Automation Bad Data Attack Common Timestamp Compensation Cyber Attack Delay Compensation Delayed Measurement Delayed SM Measurement Demand Side Management Demand Side Response Technology Distributed Energy Resources Distributed Power Generation DSSE Expectation-maximisation Algorithm Expectation-maximisation Based Forecasting Filtering Method in Signal Processing Hybrid Measurement Device Hybrid Source Hypersim IEEE 123 Bus System IEEE 13 Bus System IEEE 24 Bus System IEEE 37 Bus System IIT Kanpur Smart Grid Interpolation Interpolation And Function Approximation Kalman Filter Kalman Smoother Microphasor Measurement Units Network Automation Noisy Data Noisy Distribution System Measurement Numerical Analysis Phasor Measurement Power System Economics Power System Managemen Power System Measurement And Metering Power System Operation Power System State Estimation Real-time Measurement Device Robust Distribution System State Estimation SCADA Smart Meters Smart Power Grid SMs Statistics Three-phase Unbalanced Distribution System State Estimation ΜPMUs
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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