Invention Grant
- Patent Title: Power contact fault clearing device
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Application No.: US16776112Application Date: 2020-01-29
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Publication No.: US10763659B2Publication Date: 2020-09-01
- Inventor: Reinhold Henke , Robert Thorbus
- Applicant: Arc Suppression Technologies
- Applicant Address: US MN Bloomington
- Assignee: Arc Suppression Technologies
- Current Assignee: Arc Suppression Technologies
- Current Assignee Address: US MN Bloomington
- Agency: Schwegman Lundberg & Woessner, P.A.
- Main IPC: H02H3/08
- IPC: H02H3/08 ; G01R31/40 ; H02H1/00 ; H02H3/06 ; H02H7/26 ; H02H9/02 ; H02H9/08 ; H02H3/087 ; H01H9/54

Abstract:
A power contact fault clearing device includes a first pair of terminals adapted to be connected across a first set of switchable contacts, and a second pair of terminals adapted to be connected across a second set of switchable contacts. The second set of switchable contacts coupled to an arc suppressor. A current sensor is adapted to be connected between a power load and the second set of switchable contacts. The current sensor is configured to measure a power load current associated with the power load. A controller circuit is operatively coupled to the current sensor and the first and second pairs of terminals. The controller circuit is configured to detect a fault condition based at least on the power load current, and sequence deactivation of the first set of switchable contacts and the second set of switchable contacts based on the detected fault condition.
Public/Granted literature
- US20200244060A1 Power Contact Fault Clearing Device Public/Granted day:2020-07-30
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