Ground fault circuit interrupter with integrated controller
US12021370B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2022 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Jun 14, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/17
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupting device including a phase conductor, a neutral conductor, an interrupter configured to disconnect the phase conductor and the neutral conductor from a load, and a sensor configured to generate a signal indicative of current flowing through the phase conductor and the neutral conductor. The circuit interrupting device further includes a microcontroller that includes an electronic processor and is electrically connected to the first sensor and the interrupter. The microcontroller is configured to generate a reference signal, receive a first signal from the sensor, determine whether a difference between a voltage of the first signal and a voltage of the reference signal exceeds a threshold, determine whether the microcontroller has performed a ground fault self-test, and activate the interrupter when the difference exceeds the threshold and the microcontroller has not performed the ground fault self-test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.