Title:
MOTOR DRIVE SYSTEM HAVING POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2019149863
Kind Code:
A
Abstract:
To provide a motor drive system in which energy stored in a power storage device for reducing power peak is kept to an appropriate amount.SOLUTION: A motor drive system 1 comprises: a converter 11 which power-converts AC power on a power supply 2-side and DC power in a DC link 4; a drive inverter 12 which power-converts the DC power in the DC link 4 and drive power of the drive servo motor 3 or AC power being regeneration power; a drive motor control section 13 for controlling the drive servo motor 3 connected to the drive inverter 12; a power storage device 14 for storing the DC power from the DC link 4 or supplying the DC power to the DC link 4; and a base holding energy change section 15 for changing base holding energy specified as a reference value of holding energy of the power storage device 14 in accordance with the holding energy of the power storage device 14.SELECTED DRAWING: Figure 1
Inventors:
SHINODA SHOGO
IGAI SATOSHI
IGAI SATOSHI
Application Number:
JP2018032055A
Publication Date:
September 05, 2019
Filing Date:
February 26, 2018
Export Citation:
Assignee:
FANUC LTD
International Classes:
H02P5/74; H02M3/00; H02M7/48; H02P27/06
Domestic Patent References:
| JP2011126691A | 2011-06-30 | |||
| JP5340514B1 | 2013-11-13 | |||
| JP2013017305A | 2013-01-24 | |||
| JP5389302B1 | 2014-01-15 | |||
| JP2013009524A | 2013-01-10 |
Foreign References:
| WO2013128564A1 | 2013-09-06 | |||
| WO2012169009A1 | 2012-12-13 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Hirose Shigeki
Shinji Mitsuhashi
Hirose Shigeki