TY - JOUR N2 - The grid integration of large-scale wind and solar energy affects the power flow of wind-PV-thermal-bundled power transmission systems and may introduce an unpredicted threat to the power system’s small signal stability. Meanwhile, a power system stabilizer (PSS) and static synchronous series compensator (SSSC) play an important role in improving the static and dynamic stability of the system. Based on this scenario and in view of the actual engineering requirements, the framework of wind-PV-thermal-bundled power transmitted by an AC/DC system with the PSS and SSSC is established considering the fluctuation of wind and photovoltaic power output and the characteristics of the PSS and SSSC. Afterwards, the situation model is constructed in the IEEE 2-area 4-unit system, and the influence of the PSS and SSSC on the system stability under different operating conditions is analyzed in detail through eigenvalue analysis and time-domain simulation. Finally, an index named the gain rate is defined to describe the improvement of the stability limitations of various wind-PV-thermal operating conditions with the PSS and SSSC. The results indicate (K) that the damping characteristics, dynamic stability and stability limitations for various wind-PV-thermal operating conditions of the wind-PV-thermal-bundled power transmission system can be significantly improved by the interaction of the PSS and SSSC. L1 - http://czasopisma.pan.pl/Content/117024/PDF/art14.pdf L2 - http://czasopisma.pan.pl/Content/117024 PY - 2020 IS - No 3 EP - 721 DO - 10.24425/aee.2020.133927 KW - damping characteristics KW - eigenvalue analysis KW - power system stabilizer KW - wind- PV-thermal-bundled power system A1 - He, Ping A1 - Wu, Xinxin A1 - Li, Congshan A1 - Zheng, Mingming A1 - Li, Zhao PB - Polish Academy of Sciences VL - vol. 69 DA - 2020.09.15 T1 - Improvement of damping characteristics and index evaluation of a wind-PV-thermal-bundled power transmission system by combining PSS and SSSC SP - 705 UR - http://czasopisma.pan.pl/dlibra/publication/edition/117024 T2 - Archives of Electrical Engineering ER -