ARCHIVED - Distributed Generation Analysis − Case Study 4: Dynamic Behaviour of a Distributed System with Interconnected Distributed Generation during a Grid-connected Mode of Operation

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Authors: Bhy Ahmed Ozeer, Guillermo Hernandez-Gonzalez and Tarek EL-Fouly, CanmetENERGY

CETC number: 2012-010

Publication date: 2012-06-27


This report details the fourth of a series of case studies which have the intent of disseminating knowledge about the impact of Distributed Generation (DG) on distribution systems planning and operation. This case study investigates the dynamic behaviour of a distribution system with interconnected DG and operating in a grid-connected mode. Disturbances such as loss of generation, loss of load and local faults are simulated for different DG technologies. In particular, the variation of frequency and voltage at different nodes in the system are obtained and compared to the permissible limits specified in the IEEE 1547 Standard. The second edition for this series of case studies is meant to update the information in the first edition, add cases involving doubly-fed induction generators (DFIG) and facilitate the study of the integration of DG into distribution systems. The simulations of this report were carried out using latest official release of CYMDIST 5.02 rev04 of the CYME software package. This case study is meant to be accompanied by the corresponding CYMDIST case study files; however, it also serves as a self-contained and informative report.

For more information about CanmetENERGY’s activities related to distributed generation, visit the Smart Grid section of the website.