Daniel C Lopes

US Patent:

20220200483, Jun 23, 2022

Filed:

Dec 18, 2020

Appl. No.:

17/126324

Inventors:

- Foxboro MA, US
Camilo Mejia - Narragansett RI, US
Daniel Santinho Lopes - North Smithfield RI, US
Jeffrey M. August - Methuen MA, US

International Classification:

H02M 7/797
H02M 1/42
H02M 1/32

Abstract:

A power supply including an input configured to receive input power, an output configured to provide output power to a load, at least one relay, a crowbar circuit configured to selectively divert the input power away from the load, and a controller configured to detect a high-voltage condition at the input, activate, in response to detecting the high-voltage condition at the input, the crowbar circuit to divert the input power away from the load, output, in response to detecting the high-voltage condition at the input, a signal to operate the at least one relay to transition from a first state to a second state, and deactivate the crowbar circuit in response to a determination that the at least one relay has transitioned to the second state.