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Decoupled Voltage Stability Assessment of Distribution Networks Using Synchrophasors
KTH, School of Electrical Engineering (EES), Electric power and energy systems. (SmarTS Lab)ORCID iD: 0000-0001-5688-8940
KTH, School of Electrical Engineering (EES), Electric power and energy systems.
KTH, School of Electrical Engineering (EES), Electric power and energy systems.
2016 (English)Conference paper (Refereed)
Abstract [en]

This paper presents a real-time voltage stabilityassessment in distribution networks (DNs) capable of separatingthe effects of the transmission and distribution network by usingsynchronized phasor measurements. The method aims to assisttransmission and distribution system operators to quantify theneed of their services in different parts of the DN in order toprovide adequate voltage support to their specific stakeholders.The method uses data from phasor measurement units (PMUs) toestimate models for both DN and transmission network (TN). ATh´evenin equivalent model is estimated for the TN and a T-modelfor the DN. By applying the superposition theorem on these twomodels, the contribution of each network to the overall systemvoltage stability can be distinguished at a specific bus (equippedwith a PMU). The method has been validated by a hardware-inthe-loop setup which consists an OPAL-RT real-time simulatorand three PMUs.

Place, publisher, year, edition, pages
2016.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-184220OAI: oai:DiVA.org:kth-184220DiVA: diva2:915627
Conference
2016 IEEE PES General Meeting
Projects
IDE4L project
Note

QC 20160901

Available from: 2016-03-30 Created: 2016-03-30 Last updated: 2016-09-01Bibliographically approved

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ReferencesLink to record
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