Inventor

MARMONIER JEAN

FR25 patents

⚠️ This page may combine multiple inventors who share the name “MARMONIER JEAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARMONIER JEAN

GEC ALSTHOM T & D SA

Density sensor for monitoring the rate of leakage from a switchgear case with improved reliability

Method of monitoring and diagnosing the operation of high voltage electrical apparatus

Device for actuating electrical equipment, in particular a high-voltage section switch or a high-voltage grounding section switch

Modular station of the metal-clad type and of reduced size, with a shortened set of busbars

Method of discriminating between an internal arc and an interruption arc detected inside a metal-clad electrical installation

Method of monitoring a leakage rate from the envelope of high voltage electrical apparatus

Method of protecting against failure of a circuit breaker

Control device for high-voltage equipment including a display panel

Rotary mechanism for driving signalling contacts of an electrical apparatus, in particular a high voltage grounding switch or disconnector

ALSTOM

Method of measuring the density of a dielectric gas in a buried metal-clad line

High voltage disconnector having a moving contact that is moved at high speed

High voltage hybrid station with opposite busbars and shielded cutoff and switching modules for same

Hybrid high-voltage substation having busbars that are enclosed in metal cladding and a backup phase that is air insulated

SCHNEIDER ELECTRIC IND SAS

Trunking intended to carry modules connected to power cables and to communication cables

Connection system for a ring terminal with a clamping means and holding means for holding the ring terminal prior to clamping

Protection device for electrical network

System comprising a base and a hot unpluggable module

ALSTOM HOLDINGS

Current loop comprising a test circuit

Method and a device for detecting an internal arc in a metal-clad electrical link

Method and a device for detecting an internal arc in a metal-clad electrical link

MARMONIER JEAN

Device and a method for protecting a link in a medium, high, or very high voltage electrical network

Method and apparatus for providing differential protection for an electrical link in a medium, high, or very high voltage network

ALSTOM FRANCE SA

Method of discriminating between an internal arc and a circuit-breaking arc in a medium or high voltage circuit breaker

ALSTHOM GEC

Component for a metal-clad station for section switching and grounding

GEC ALSTROM T & D SA

Method of monitoring electrical wear on selector switch disconnectors in a high voltage station