CAREER FR DE EN AUTOMATION AND ELECTRICAL EQUIPMENT HOME PAGE THE GROUP INNOVATION DIVISION CAREER CONTACT Accueil » GPI EXPERTS » HV/LV Maintenance HV/LV MAINTENANCE INTERVENTION TO LEVEL 4 MAINTENANCE Our technical and human resources enable maintenance interventions up to level 4 on the following equipment: CELLS: Switch: Operation + Measurement of installed and spare fuses. Circuit breaker: Operation + Testing of protective tripping thresholds by primary injection Circuit breaker: Testing of protective tripping thresholds by secondary injection Testing of coil, motorisation on/off tripping thresholds. Testing of contact synchronisation. TRANSFORMERS: On-load low voltage measurements: voltage, current, harmonics, active power, reactive power and apparent power. On-load thermographic inspection. Resistance measurements on primary and secondary windings. Insulation resistance measurement between primary windings and earth LV CIRCUIT BREAKERS: Recording of tripping time. Verification of values measured according to manufacture specifications. CAPACITORS: Full power review of the LV network associated with the capacitor. Voltage, current, power, harmonics. Measurement of efficiency of each step. Capacitor selection: Type, power, etc. Help CRYOGENIC CLEANING: Efficient, ecological cleaning Dry ice blasting is a stripping method that uses small, compact balls of dry ice as an abrasive material. We provide certified, responsive and specialised personnel using the best test equipment. GPI EXPERTS ENERGY MANAGEMENT GPI EXPERTS FIRE DETECTION GPI COMPANIES SOTEB Installation, maintenance, renovation and commissioning for major industrial sites CUSTOMER, PRESS, PARTNER CONTACT We look forward to receiving your projects RETOUR EN HAUT DE PAGE AUTOMATION AND ELECTRICAL EQUIPMENT LYON SIÈGE SOCIAL GÉRARD PERRIER INDUSTRIE AIRPARC – 160 rue de Norvège CS 50009 69125 LYON AÉROPORT SAINT EXUPÉRY FRANCE Tél. +33 (0)4 72 47 80 52 Mail. contact@gerard-perrier.com CGA SITEMAP LEGAL NOTICE PERSONAL DATA COOKIE POLICY (EU) © 2021 Site réalisé par Gestion des cookies Gérard Perrier Industrie utilise des cookies ou traceurs susceptibles de collecter des données personnelles lors de votre visite sur le site pour personnaliser le contenu du site, analyser son trafic, mesurer l’audience, offrir des fonctionnalités relatives aux médias sociaux et développer et améliorer le contenu du site. Vous pouvez autoriser ou refuser le dépôt de tout ou partie de ces cookies et/ou traceurs, à l'exception de ceux qui sont strictement nécessaires au fonctionnement de ce site. Vous pouvez modifier vos choix à tout moment. Pour en savoir plus, consultez notre Cookie policy Accept everything Refuse everything Preferences