Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/275966
Kind Code:
A1
Abstract:
A power control device 100 comprises: a power supply board 110 for supplying power to motors 41m-44m for operating a robot arm; one or more expanded capacitor boards 120 connected in parallel with a power line DCLINK of the power supply board 110 and increasing the capacitance of the power line DCLINK; electrolytic capacitors C3-C5 provided to the expanded capacitor boards 120 and used for increasing the capacitance of the power line DCLINK; and an inrush current suppression resistor R3 provided to the expanded capacitor boards 120 and preventing a significant inrush current from flowing in the electrolytic capacitors C3-C5 from the power line DCLINK when the expanded capacitor boards 120 are connected to the power line DCLINK.
Inventors:
SUZUKI YUSUKE (JP)
Application Number:
PCT/JP2021/024473
Publication Date:
January 05, 2023
Filing Date:
June 29, 2021
Export Citation:
Assignee:
FUJI CORP (JP)
International Classes:
H02H9/02; H02H7/16; H02J1/00
Foreign References:
| JP2018015865A | 2018-02-01 | |||
| JP2019004643A | 2019-01-10 | |||
| JPH11308890A | 1999-11-05 | |||
| JP2020157401A | 2020-10-01 |
Attorney, Agent or Firm:
NEXT INTERNATIONAL et al. (JP)
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