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Primary Frequency Regulation Using HVDC Terminals Controlling Voltage Dependent Loads

Langwasser, Marius; De Carne, Giovanni ORCID iD icon; Liserre, Marco; Biskoping, Matthias

Abstract (englisch):

HVDC can provide frequency regulation during disturbances
(e.g., faults) by controlling the power flow between two
remote AC areas. While this action reduces the power deviation in
the area affected by the disturbance, it causes a power imbalance
in the other healthy AC area, leading to a frequency variation and
endangering the system stability. In this work, a HVDC primary
frequency regulation controlling voltage-dependent loads (PFRVDL)
is proposed, where the HVDC terminal in the healthy
area influences the grid voltage amplitude to shape (decreasing or
increasing) the load consumption in order to cope with the power
variation required by the fault-affected area. The PFR-VDL
extracts the needed energy for the frequency support, not from
the generators (with following frequency deviation) but from the
voltage-dependent loads in the healthy area. This work analyzes
the PFR-VDL performance, generalizing it with two possible
HVDC connection cases: Asynchronous connection with single
HVDC line, and embedded HVDC forming a parallel, hybrid
connection with HVAC. The PFR-VDL application benefits and
limitations are evaluated analytically and verified by means of
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Postprint §
DOI: 10.5445/IR/1000119860
Veröffentlicht am 29.05.2020
DOI: 10.1109/TPWRD.2020.2990565
Zitationen: 3
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Technische Physik (ITEP)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 04.2021
Sprache Englisch
Identifikator ISSN: 0885-8977, 1937-4208
KITopen-ID: 1000119860
HGF-Programm 37.06.01 (POF III, LK 01) Networks and Storage Integration
Erschienen in IEEE transactions on power delivery
Verlag Institute of Electrical and Electronics Engineers (IEEE)
Band 36
Heft 2
Seiten 710–720
Vorab online veröffentlicht am 29.05.2020
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