Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HIRAI Takao and FUJIWARA Nobuyuki,Technical Issues Concerning Interconnection due to Increase of Distributed Generators,The Journal of The Institute of Electrical Engineers of Japan,13405551,The Institute of Electrical Engineers of Japan,2005,125,3,149-152,https://cir.nii.ac.jp/crid/1390282679638234112,https://doi.org/10.1541/ieejjournal.125.149