TY - JOUR
T1 - Dual-Band Reduced-Order Model of an HVDC Link Embedded into a Power Network for EMT Studies
AU - Ruiz, Carlos
AU - Medina, Edgar
AU - Ramirez, Abner
AU - Mehrizi-Sani, Ali
AU - Chavez Muro, Jose de Jesus
AU - Davoudi, Ali
AU - Abdel-rahman, Mohamed
PY - 2019
Y1 - 2019
N2 - This paper presents an approach to obtain reduced-order models for power networks involving power electronic converters (PEC) via the frequency-domain balanced realizations (FDBR) technique. PECs play an essential role in power processing and energy conversion in modern electrical networks, such as the interconnection of renewable generators, HVDC links, and active filters. Integration of PECs into dynamic equivalents needs model-order reduction (MOR) in both low- and high-frequency ranges to account for both slow and fast dynamics due to the network and switching natures. The objective of the FDBR technique is to obtain an internally balanced system, i.e., an equally controllable/observable system, that can be reduced according to its dominant dynamics within the limited frequency bandwidths. This allows accounting for specific band-limited phenomena, such as those generated within a power network caused by PECs, which is the focus of this paper. The results show that faster yet accurate simulations are achieved by reduced-order models through FDBR compared to their full-order counterparts.
AB - This paper presents an approach to obtain reduced-order models for power networks involving power electronic converters (PEC) via the frequency-domain balanced realizations (FDBR) technique. PECs play an essential role in power processing and energy conversion in modern electrical networks, such as the interconnection of renewable generators, HVDC links, and active filters. Integration of PECs into dynamic equivalents needs model-order reduction (MOR) in both low- and high-frequency ranges to account for both slow and fast dynamics due to the network and switching natures. The objective of the FDBR technique is to obtain an internally balanced system, i.e., an equally controllable/observable system, that can be reduced according to its dominant dynamics within the limited frequency bandwidths. This allows accounting for specific band-limited phenomena, such as those generated within a power network caused by PECs, which is the focus of this paper. The results show that faster yet accurate simulations are achieved by reduced-order models through FDBR compared to their full-order counterparts.
KW - Electromagnetic transient analysis
KW - frequency-domain analysis
KW - reduced order systems
UR - http://www.scopus.com/inward/record.url?scp=85070985660&partnerID=8YFLogxK
U2 - 10.1109/TEC.2019.2935892
DO - 10.1109/TEC.2019.2935892
M3 - Article
AN - SCOPUS:85070985660
SN - 0885-8969
VL - 35 (2020)
SP - 416
EP - 424
JO - IEEE Transactions on Energy Conversion
JF - IEEE Transactions on Energy Conversion
IS - 1
M1 - 8805118
ER -