1. HVDC transmission system [M];Xingyuan,2010
2. HVDC transmission engineering technology;Wanjun,2011
3. Confronting problem and challenge of largescale AC-DC hybrid power grid operation;Xinzhou;Proc CSEE,2019
4. Study and improvement of harmonic instability criterion for parallel double circuit HVDC transmission lines;Yuanyuan;Electric Power Autom Equip,2017
5. A review of methods to mitigate the commutation failure for LCC-HVDC;Chunyi;Proc CSEE,2018