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1. (WO2018219811) SINGLE-PHASE ELECTRIC METER

Pub. No.:    WO/2018/219811    International Application No.:    PCT/EP2018/063789
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Sat May 26 01:59:59 CEST 2018
IPC: G01R 22/06
H01H 83/12
H02H 5/10
G01R 31/08
H02H 11/00
Applicants: SAGEMCOM ENERGY & TELECOM SAS
Inventors: TEBOULLE, Henri
Title: SINGLE-PHASE ELECTRIC METER
Abstract:
A single-phase electric meter (10) comprising a phase conductor (21) intended to be connected to a phase (5) of an electric line located upstream of the single-phase electric meter and to a phase (16) of an electric installation (1) located downstream of the single-phase electric meter, the single-phase electric meter (10) further comprising a breaking unit (20) mounted on the phase conductor (21), an upstream voltage sensor (25) arranged to periodically measure an upstream voltage (Va) upstream of the breaking unit (20), and processing means (29) arranged to acquire upstream voltage measurements and to open the breaking unit (20) when the upstream voltage (Va) drops below a first predetermined threshold voltage.