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Small-disturbance voltage stability of OLTC & decentralized reactive power dropp control

: Dallmer-Zerbe, K.; Berardo, D.; Salman, A.; Wille-Haussmann, B.

Postprint urn:nbn:de:0011-n-4110928 (833 KByte PDF)
MD5 Fingerprint: 5efcc76a5ee35c8d2339bb0c75124d5b
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Created on: 7.10.2016

Institute of Electrical and Electronics Engineers -IEEE-:
IEEE International Energy Conference, ENERGYCON 2016 : 4-8 April 2016, Leuven
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-4673-8464-3 (Print)
ISBN: 978-1-4673-8463-6 (Online)
6 pp.
International Energy Conference (ENERGYCON) <2016, Leuven>
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Elektrische Energiesysteme; Energiesystemtechnik; Systemintegration - Strom; Wärme; Gas; Leistungselektronik; Netze und Intelligente Systeme; Wechselrichter in Netzen

Increasing installation of decentralized generators in distribution grids can cause critical grid states. In case of critical nodal voltages on-load tap-changers (OLTC) and reactive power control based on nodal voltage, Q(V), are regarded as comparably cheap solutions to delay or even to replace distribution grid reinforcement. Since both control schemes are based on nodal voltages and usually share no communication infrastructure, local oscillations between controllers are possible. This publication investigates small-disturbance voltage stability and potential local plant control oscillations of OLTC and multiple Q(V) in a rural low voltage feeder via dynamic RMS analysis.