Abstract
Large-scale penetration of inverter-based distributed generation (IBDG) systems such as wind and solar PV plants into conventional power systems is raising concerns for traditional methods of power system operation and control. System strength at the point of interconnection (PoI) of the IBDG is one such concern, measured by the short circuit ratio (SCR). However, SCR and other SCR-based methods disregard interactions and electrical connections that exist amongst IBDGs. This study proposes an alternative method using the theory of power system network structural characteristics. The network response short circuit ratio (NRSCR) method captures the interaction among IBDGs and with nearby synchronous generators without having to solve the power flow problem. In addition, it does not require inversion of the systems’ admittance matrix. Comparative analysis of the proposed method with other SCR-based methods is demonstrated by showing the relationship between system strength, voltage stability, and active power transfer.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
