Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POWER CONVERSION SYSTEM, HOIST SYSTEM, AND POWER CONVERSION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/159264
Kind Code:
A1
Abstract:
A power conversion system 20 comprising: a power conversion unit 30 having a matrix converter circuit 111 and converting power in both directions between primary-side AC power and secondary-side AC power, using the matrix converter circuit 111; a power supply switching unit that switches between a normal state in which a power grid 2 is connected to the primary side of the power conversion unit 30 and an emergency state in which an uninterruptible power supply device 3 for emergency use is connected to the primary side of the power conversion unit; and a power consumption unit 50 that is connected between the uninterruptible power supply device 3 and the power conversion unit 30 and consumes regenerative power from the secondary side to the primary side.

Inventors:
HANADA Toshihiro (2-1 Kurosaki-Shiroishi, Yahatanishi-ku, Kitakyushu-sh, Fukuoka 04, 〒8060004, JP)
SATO Mitsunori (2-1 Kurosaki-Shiroishi, Yahatanishi-ku, Kitakyushu-sh, Fukuoka 04, 〒8060004, JP)
AKIMOTO Shinichi (2-1 Kurosaki-Shiroishi, Yahatanishi-ku, Kitakyushu-sh, Fukuoka 04, 〒8060004, JP)
INOKI Keisei (2-1 Kurosaki-Shiroishi, Yahatanishi-ku, Kitakyushu-sh, Fukuoka 04, 〒8060004, JP)
MORIHARA Takayuki (2-1 Kurosaki-Shiroishi, Yahatanishi-ku, Kitakyushu-sh, Fukuoka 04, 〒8060004, JP)
Application Number:
JP2018/005114
Publication Date:
August 22, 2019
Filing Date:
February 14, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI (2-1 Kurosaki-Shiroishi, Yahatanishi-ku Kitakyushu-sh, Fukuoka 04, 〒8060004, JP)
International Classes:
H02M5/297; B66B5/02; H02J9/06; H02M5/293
Foreign References:
JP2001294378A2001-10-23
JP2007221844A2007-08-30
JP2005287200A2005-10-13
JP2006074904A2006-03-16
JP2007028752A2007-02-01
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
Download PDF: