Method of controlling reverse power flow of PV system with heat pump water heater. - Masahiro Asari; Hiromu Kobayashi (ISGT Europe, 2012)

Demonstration test of PV output reduction method using battery energy storage system and customer equipment. - Hiroyuki Hatta; Wataru Shima; Tomonori Kawakami; Hiromu Kobayashi; Naohiko Sueyoshi; Hirofumi Nakama; Yuji Oshiro; Masayoshi Toguchi (ISGT Europe, 2013)