Effective model of MMC for multi-ports VSCHVDC system simulation

Author

Fei Xu ; Ping Wang ; Zixin Li ; Fanqiang Gao ; Fangzun Chu ; Yaohua Li

Author_Institution

Key Lab. of Power Electron. & Electr. Drive, Inst. of Electr. Eng., Beijing, China

fYear

2014

fDate

Aug. 31 2014-Sept. 3 2014

Firstpage

1

Lastpage

5

Abstract

In order to achieve system simulation of multi-ports VSC-HVDC under all working condition, an effective model of MMC is proposed. After analyzing the characteristics of controlled and uncontrolled sub modules (SMs), a novel arm model of MMC, which is suitable for all working condition, is proposed. Combination the model of SMs and parallel calculation method, the system simulation software of multiports VSC-HVDC is developed to validate the efficiency of proposed model. The simulation results prove that the proposed model can realize fast electromagnetic transient simulation under all working condition; it can validate the control strategy under the normal condition, it can simulate the process of short-circuit DC. The effective model can be implemented to design the project of multi-ports VSC-HVDC transmission system.

Keywords

HVDC power convertors; multiport networks; MMC efective odel; electromagnetic transient simulation; modular multilevel converter; multiport VSC-HVDC system; uncontrolled submodule; Control systems; Employee welfare; Equivalent circuits; Integrated circuit modeling; Power conversion; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo

Conference_Location

Beijing

Print_ISBN

978-1-4799-4240-4

Type

conf

DOI

10.1109/ITEC-AP.2014.6940965

Filename

6940965