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1. (WO2018199932) IDENTIFYING AN AC MAINS CONNECTION STATE OF A POWER DEVICE

Pub. No.:    WO/2018/199932    International Application No.:    PCT/US2017/029396
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Wed Apr 26 01:59:59 CEST 2017
IPC: H02J 9/06
B33Y 30/00
B29C 67/00
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: SMITH, David E.
Title: IDENTIFYING AN AC MAINS CONNECTION STATE OF A POWER DEVICE
Abstract:
A system to identify an AC mains connection state of a power device comprising a monitoring device connected to a plurality of different AC mains power inputs of the power device, wherein the monitoring device monitors an electrical parameter at the respective AC mains power inputs; and a controller to monitor a difference between electrical parameter values at the plurality of AC mains power inputs, wherein the controller determines a connection state of the power device from the difference between the electrical parameter values.