TY - JOUR
T1 - Physics-Based Modeling of Parasitic Capacitance in Medium-Voltage Filter Inductors
AU - Zhao, Hongbo
AU - Dalal, Dipen Narendra
AU - Jørgensen, Asger Bjørn
AU - Jørgensen, Jannick Kjær
AU - Wang, Xiongfei
AU - Beczkowski, Szymon Michal
AU - Munk-Nielsen, Stig
AU - Uhrenfeldt, Christian
PY - 2020/6/17
Y1 - 2020/6/17
N2 - This article proposes a general physics-based model for identifying the parasitic capacitance in medium-voltage (MV) filter inductors, which can provide analytical calculations without using empirical equations and is not restricted by the geometrical structures of inductors. The elementary capacitances of the MV inductor are identified, then the equivalent capacitances between the two terminals of the inductor are derived under different voltage potential on the core. Further, a three-terminal equivalent circuit, instead of the conventional two-terminal equivalent circuit, is proposed by using the derived capacitances. Thus, the parasitic equivalent capacitance between the terminals and the core are explicitly quantified. Experimental measurements for parasitic capacitances show a good agreement with the theoretical calculations.
AB - This article proposes a general physics-based model for identifying the parasitic capacitance in medium-voltage (MV) filter inductors, which can provide analytical calculations without using empirical equations and is not restricted by the geometrical structures of inductors. The elementary capacitances of the MV inductor are identified, then the equivalent capacitances between the two terminals of the inductor are derived under different voltage potential on the core. Further, a three-terminal equivalent circuit, instead of the conventional two-terminal equivalent circuit, is proposed by using the derived capacitances. Thus, the parasitic equivalent capacitance between the terminals and the core are explicitly quantified. Experimental measurements for parasitic capacitances show a good agreement with the theoretical calculations.
KW - Filter inductors
KW - medium-voltage (MV)
KW - parasitic capacitance
KW - physics-based modeling
KW - three-terminal equivalent circuit
UR - http://www.scopus.com/inward/record.url?scp=85091219762&partnerID=8YFLogxK
U2 - 10.1109/TPEL.2020.3003157
DO - 10.1109/TPEL.2020.3003157
M3 - Journal article
VL - 36
SP - 829
EP - 843
JO - I E E E Transactions on Power Electronics
JF - I E E E Transactions on Power Electronics
SN - 0885-8993
IS - 1
M1 - 9119860
ER -