Islanding Detection Algorithm Based on a Harmonic for Distributed Generators

고조파을 이용한 분산전원 고립운전 검출 알고리즘

This paper presents an islanding detection algorithm based on the second harmonic. When the DG(distributed Generator) was connected with utility supply, for maintenance and repair of equipment, an islanding occurred. So islanding detection algorithm must be developed for safety of human. Although the DG generating power is similar to power consumption. the proposed algorithm can detect the islanding condition very successfully.