US 12,316,127 B2
Power conversion device
Yuki Kudo, Tokyo (JP); Koji Toba, Tokyo (JP); Shunsuke Kawachi, Tokyo (JP); Yukina Akiyama, Kawasaki Kanagawa (JP); and Takahiro Kase, Kawasaki Kanagawa (JP)
Assigned to Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Energy Systems & Solutions Corporation, Kawasaki (JP)
Appl. No. 17/905,149
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and Toshiba Energy Systems & Solutions Corporation, Kawasaki (JP)
PCT Filed Jan. 7, 2021, PCT No. PCT/JP2021/000408
§ 371(c)(1), (2) Date Aug. 26, 2022,
PCT Pub. No. WO2021/205701, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 2020-070971 (JP), filed on Apr. 10, 2020.
Prior Publication US 2023/0089057 A1, Mar. 23, 2023
Int. Cl. H02J 3/48 (2006.01); H02J 9/06 (2006.01); H02M 7/48 (2007.01); H02J 3/38 (2006.01)
CPC H02J 3/48 (2013.01) [H02J 9/062 (2013.01); H02M 7/48 (2013.01); H02J 3/381 (2013.01); H02J 2300/20 (2020.01)] 4 Claims
OG exemplary drawing
 
1. A power converter, comprising:
a phase controller calculating a phase angle reference value based on a difference between a commanded active power reference value and an output active power supplied to a distribution line,
a voltage controller calculating a voltage reference value based on the phase angle reference value calculated by the phase controller, and,
a power conversion unit converting, based on the voltage reference value calculated by the voltage controller, an electric power supplied from a power supply source into AC power and outputs it to the distribution line,
wherein the phase controller adds a control amount for proportional control based on a difference between the active power reference value and the output active power and a control amount by a first-order lag controller based on the difference between the active power reference value and the output active power to calculate the phase angle reference value.