Invention Grant
- Patent Title: Elevator drive control during power disruption
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Application No.: US16303221Application Date: 2017-05-31
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Publication No.: US11192752B2Publication Date: 2021-12-07
- Inventor: Roman Camenzind , Thomas Eilinger , Om Prakash
- Applicant: Inventio AG
- Applicant Address: CH Hergiswil
- Assignee: Inventio AG
- Current Assignee: Inventio AG
- Current Assignee Address: CH Hergiswil
- Agency: Shumaker, Loop & Kendrick, LLP
- Agent William J. Clemens
- Priority: EP16172223 20160531
- International Application: PCT/EP2017/063144 WO 20170531
- International Announcement: WO2017/207624 WO 20171207
- Main IPC: B66B5/02
- IPC: B66B5/02 ; B66B1/30 ; B66B1/34

Abstract:
A drive control method and system for controlling an inverter during power disruptions in the operation of an elevator drive includes the steps of predetermining whether a hoist motor of the elevator drive will be operating in a motor mode, a balanced mode or a regenerative mode on commencement of the power disruption, and controlling the inverter in accordance with the predetermined operating mode after commencement of the power disruption.
Public/Granted literature
- US20190202663A1 ELEVATOR DRIVE CONTROL DURING POWER DISRUPTION Public/Granted day:2019-07-04
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