TY - GEN
T1 - A novel control method for individual DC voltage balancing in h-bridge cascaded STATCOM
AU - Xu, Rong
AU - Yu, Yong
AU - Yang, Rongfeng
AU - Qu, Lizhi
AU - Sun, Wei
AU - Xu, Dianguo
PY - 2014
Y1 - 2014
N2 - H-bridge cascaded static synchronous compensator (STATCOM) is often used to compensate the harmonic and reactive current derived from non-linear load. However, with the special topology structure, the voltage balancing of DC capacitors of H-bridge cascaded STATCOM is a key problem. Many papers adjust active voltage to solve this problem with the conventional PI controller which needs to regulate the complex parameters of PI and introduces the delay. Hence, this paper proposed a novel balance control method for individual DC voltage balancing based on the popular carrier phase-shifted sinusoidal PWM (CPS-SPWM) strategy. With the upper and lower translations of modulation wave in CPS-SPWM, the proposed method could more simply and flexibly balance the DC-voltages during the charging and discharging processes. Finally, the simulation and experiment results show the effectiveness of the proposed method in controlling individual capacitor voltages.
AB - H-bridge cascaded static synchronous compensator (STATCOM) is often used to compensate the harmonic and reactive current derived from non-linear load. However, with the special topology structure, the voltage balancing of DC capacitors of H-bridge cascaded STATCOM is a key problem. Many papers adjust active voltage to solve this problem with the conventional PI controller which needs to regulate the complex parameters of PI and introduces the delay. Hence, this paper proposed a novel balance control method for individual DC voltage balancing based on the popular carrier phase-shifted sinusoidal PWM (CPS-SPWM) strategy. With the upper and lower translations of modulation wave in CPS-SPWM, the proposed method could more simply and flexibly balance the DC-voltages during the charging and discharging processes. Finally, the simulation and experiment results show the effectiveness of the proposed method in controlling individual capacitor voltages.
KW - DC capacitor voltage
KW - H-bridge cascaded
KW - modulation wave translation
KW - static synchronous compensator
KW - voltage balancing control
UR - https://www.scopus.com/pages/publications/84906669533
U2 - 10.1109/IPEC.2014.6869648
DO - 10.1109/IPEC.2014.6869648
M3 - 会议稿件
AN - SCOPUS:84906669533
SN - 9781479927050
T3 - 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
SP - 609
EP - 613
BT - 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
PB - IEEE Computer Society
T2 - 7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
Y2 - 18 May 2014 through 21 May 2014
ER -