Title:
MOTOR DRIVING DEVICE
Document Type and Number:
Japanese Patent JP2019080392
Kind Code:
A
Abstract:
To implement a motor driving device having a long life.SOLUTION: A motor driving device (11) includes a motor driving circuit (3) that supplies AC current to a motor (2), and a dynamic brake circuit (4). The dynamic brake circuit includes a mechanical switch (SW2) that causes short circuit between two phases, a semiconductor switch (SW1) that causes short circuit between two phases and that is connected in parallel to the mechanical switch, and a first impedance circuit (Z1) that is connected in series to the semiconductor switch.SELECTED DRAWING: Figure 1
Inventors:
WANG SHENGPEI
Application Number:
JP2017204041A
Publication Date:
May 23, 2019
Filing Date:
October 20, 2017
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO
International Classes:
H02P3/22
Attorney, Agent or Firm:
Nao Murakami