Title:
PROTECTION APPARATUS AND PROTECTION METHOD FOR DRIVER, AND DRIVER
Document Type and Number:
WIPO Patent Application WO/2024/065784
Kind Code:
A1
Abstract:
A protection apparatus for a driver. The protection apparatus includes a detection unit(10), a loop unit(20), and a control unit(30). The detection unit(10) is configured to detect a current flowing through an inverter unit(54). The loop unit(20) is configured to connect a positive terminal to a negative terminal of a DC bus or disconnect the positive terminal from the negative terminal of the DC bus. The control unit(30) is configured to, in response to power on of the driver, control the loop unit(20) to connect the DC bus, and determine, based on a detection result of the detection unit(10), whether a three-phase AC power is connected to the three-phase motor wiring terminal(55), wherein in the case that a three-phase AC power is connected to the three-phase motor wiring terminal(55), the control unit(30) stops.
More Like This:
| WO/2019/062795 | SELF-MOBILE DEVICE AND AUTOMATIC WORKING SYSTEM THEREOF |
Inventors:
JIANG KAI (CN)
XU YU (CN)
XU YU (CN)
Application Number:
PCT/CN2022/123526
Publication Date:
April 04, 2024
Filing Date:
September 30, 2022
Export Citation:
Assignee:
SIEMENS AG (DE)
SIEMENS LTD CHINA (CN)
SIEMENS LTD CHINA (CN)
International Classes:
H01R13/02
Foreign References:
| CN113541122A | 2021-10-22 | |||
| US20170012550A1 | 2017-01-12 | |||
| US20190348924A1 | 2019-11-14 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
Download PDF:
Previous Patent: SERVO MOTOR, CONTROL METHOD FOR SAME, AND SERVO DRIVER
Next Patent: BATTERY AND ELECTRIC DEVICE
Next Patent: BATTERY AND ELECTRIC DEVICE