TY - GEN
T1 - Modular Universal Converter for MVDC Applications
AU - Zheng, Liran
AU - Han, Xiangyu
AU - An, Zheng
AU - Kandula, Rajendra Prasad
AU - Kandasamy, Karthik
AU - Saeedifard, Maryam
AU - Divan, Deepak
N1 - Publisher Copyright:
© 2018 IEEE.
PY - 2018/12/3
Y1 - 2018/12/3
N2 - This paper presents the design and build of a universal MVDC converter that can interface either LVAC or LVDC while providing bi-directional power flow and high-frequency isolation. The proposed universal MVDC converter module can serve as a building block for higher-voltage higher-power systems. The converter modules are based on the soft-switching solid-state transformer (S4T), realized using 3.3 kV SiC MOSFETs, and can provide integrated high-frequency isolation, low EMI through low dv/dt, and high efficiency over the full operating load range realized with soft-switching techniques. The topology, operating principle, control philosophy addressing challenges associated with modular converters including dynamic and steady-state voltage sharing between modules on the HV side, design and selection of components to realize a 50 kVA 5 kV DC to 600 V DC/480 V AC is presented. Simulation results verifying the operation of the MVDC converter are also presented.
AB - This paper presents the design and build of a universal MVDC converter that can interface either LVAC or LVDC while providing bi-directional power flow and high-frequency isolation. The proposed universal MVDC converter module can serve as a building block for higher-voltage higher-power systems. The converter modules are based on the soft-switching solid-state transformer (S4T), realized using 3.3 kV SiC MOSFETs, and can provide integrated high-frequency isolation, low EMI through low dv/dt, and high efficiency over the full operating load range realized with soft-switching techniques. The topology, operating principle, control philosophy addressing challenges associated with modular converters including dynamic and steady-state voltage sharing between modules on the HV side, design and selection of components to realize a 50 kVA 5 kV DC to 600 V DC/480 V AC is presented. Simulation results verifying the operation of the MVDC converter are also presented.
KW - Current-source converter
KW - MVDC converter
KW - Soft switching
KW - Solid-state transformer
UR - http://www.scopus.com/inward/record.url?scp=85060315669&partnerID=8YFLogxK
U2 - 10.1109/ECCE.2018.8558291
DO - 10.1109/ECCE.2018.8558291
M3 - Conference contribution
AN - SCOPUS:85060315669
T3 - 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018
SP - 5544
EP - 5551
BT - 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018
Y2 - 23 September 2018 through 27 September 2018
ER -