Fault diagnosis of modular multilevel converters based on extended state observer

@article{Hu2016FaultDO,
  title={Fault diagnosis of modular multilevel converters based on extended state observer},
  author={Xing Hu and Jianzhong Zhang and Shuai Xu and Yongjiang Jiang},
  journal={2016 IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)},
  year={2016},
  pages={1-6}
}
A fault diagnosis strategy for open-circuit failure of semiconductor switching device in modular multilevel converters is proposed in this paper. Fault detection and location are both included in this strategy. An extended state observer based on arm current equation is put forward and designed. The inputs of the observer are the arm current, ac voltage… CONTINUE READING