presented by Ajinkya Sinkar, Nayak Corporation and Aniruddha Gole, University of Manitoba
Modern power systems incorporate numerous power electronic converters, such as HVDC and FACTS devices. These converters can interact with the AC network impedances, potentially leading to oscillations or even instability. To analyze such phenomena, a new frequency scanning tool has been developed for the RTDS. This tool not only provides the frequency response at the driving port but also captures off-diagonal terms that represent coupling between multiple ports where converters are connected, which can significantly impact system stability. Furthermore, it enables the identification of stability margins, oscillation frequencies, and the converters that contribute most to critical modes.