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Power System Inertia Estimation by Approaching Load Power Change After a Disturbance
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.
2017 (English)In: 2017 IEEE POWER & ENERGY SOCIETY GENERAL MEETING, IEEE , 2017Conference paper, Published paper (Refereed)
Abstract [en]

The substitution of conventional synchronous power plants by intermittent generation leads to reduced power system inertia. This transition deteriorates system's frequency response and necessitates the estimation of power system inertia, so that adequate power resources are preserved. An offline estimation method is proposed in this paper, which aims to estimate the power change of the loads due to voltage dependency after a disturbance. To do that, data available at the generator buses are employed. The proposed method is applied on a modified version of Nordic32 test system under twenty different scenarios, which include generator and load disconnections. Finally, a comparison with two offline methods presented in the past literature takes place and demonstrates the advantages and disadvantages of the proposed method.

Place, publisher, year, edition, pages
IEEE , 2017.
Series
IEEE Power and Energy Society General Meeting PESGM, ISSN 1944-9925
Keywords [en]
Power System Inertia, Inertia Estimation, Renewable Energy Sources, Load Voltage Dependency
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-228187ISI: 000426921800088ISBN: 978-1-5386-2212-4 OAI: oai:DiVA.org:kth-228187DiVA, id: diva2:1208976
Conference
2017 IEEE Power & Energy Society General Meeting, JUL 16-20, 2017, Chicago, IL
Note

QC 20180521

Available from: 2018-05-21 Created: 2018-05-21 Last updated: 2018-05-21Bibliographically approved

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http://www.pes-gm.org/2017/

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  • nn-NB
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  • Other locale
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Output format
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