Dropout recloser
US-10727662-B2 · Jul 28, 2020 · US
US11322927B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11322927-B2 |
| Application number | US-202016866656-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 5, 2020 |
| Priority date | May 7, 2012 |
| Publication date | May 3, 2022 |
| Grant date | May 3, 2022 |
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Official abstract text for this publication.
A dropout recloser is capable of in accordance with its operating programming after a predetermined number of fault interrupting operations, e.g., 1, 2, 3 or more but typically 3, to drop out of a cutout and hang freely in a hinge contact of the cutout providing sectionalization with an observable visible gap. The recloser includes fault interrupting and reclosing components, a drop out mechanism and a controller. The drop out mechanism may include a bi-stable actuator to affect fault interrupting operation and dropout operation. The device may include motion limiting structures. The recloser may have a number of operating modes or sequences.
Opening claim text (preview).
We claim: 1. A device for interrupting the flow of electricity in a circuit, the device being configured for mounting in a cutout coupled to the circuit, including a first external electrical contact and a second external electrical contact, the first and second external electrical contacts being coupled to a vacuum interrupter disposed within an housing of the device, the vacuum interrupter having a first contact movable relative to a second contact for making or breaking an electrical circuit between the first external electrical contact and the second external electrical contact and responsive to a force exerted upon the first contact by an actuator coupled to the first contact, the device having a plurality of selectable operating modes, wherein the selectable operating mode comprise a standard reclose mode, a sectionalize mode and a fault withstand mode. 2. The device of claim 1 , wherein the fault withstand mode comprises operating only upon detecting a condition of the circuit indicating operation of another device coupled to the circuit. 3. The device of claim 1 , wherein a selectable operating mode comprises operating at a selected current less than current rating of the device.
Means for testing or for inspecting contacts, e.g. wear indicator (measuring circuits G01R31/3274) · CPC title
using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators · CPC title
Contact arrangements · CPC title
making use of vacuum switches · CPC title
Vacuum switches · CPC title
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