Title :
Effects of distributed generation (DG) interconnections on protection of distribution feeders
Author :
Kaur, Gurkiran ; Vaziri, M.Y.
Author_Institution :
California State Univ., Sacramento, CA
Abstract :
Application of distributed generation (DG) to supply the demand of a diverse customer base has been gaining popularity. Various DG technologies are being integrated into power systems to provide alternatives to energy sources or to improve reliability. In this paper, the effects of DG on system protection have been identified. Changes in system fault duties and associated concerns are presented. Commonly raised issues of relay de-sensitization, Unintentional islanding, series resonance, and ferroresonance are identified, and some methods of their detection are discussed and analyzed. Documented examples of actual cases are presented. Efficient recommendations to protect the distribution feeders against these conditions are proposed
Keywords :
distributed power generation; fault diagnosis; power distribution protection; power generation protection; power system interconnection; relay protection; distributed generation interconnections; distribution feeder protection; islanding; relay desensitization; series resonance; system protection; system reliability improvement; Automatic control; Control systems; Distributed control; Fault detection; Fuses; Large-scale systems; Power system interconnection; Power system protection; Protective relaying; Transformers; Automatic Reclosing; DG; Distributed Generation; Ferroresonance; Islanding; Over Voltages; Protection; Tripping; Unintentional Islanding;
Conference_Titel :
Power Engineering Society General Meeting, 2006. IEEE
Conference_Location :
Montreal, Que.
Print_ISBN :
1-4244-0493-2
DOI :
10.1109/PES.2006.1709551
