1. Power system stability and control;Kundur,1993
2. Stability monitoring using voltage perturbation for dc distributed power systems;Liu;J Vib Control,2002
3. Stability margin monitoring for dc distributed power systems via current/voltage perturbation;Liu,2001
4. PEBB system stability margin monitoring;Feng;J Vib Control,2002
5. Constant power load characteristic's influence on the low-frequency interaction between advanced electrical rail vehicle and railway traction power supply with rotary converters;Danielsen,2009