CARBON BRUSHES SLIP RING ASSEMBLIES DUST COLLECTION CARBON SEALS

H i g h Qual i ty Engi nee r e d Solut ions Our solutions for hydro power plants are made of carefully chosen quality materials, manufactured on cutting-edge equipment (CNC machines, broaching machines, computer aided measuring instruments, high precision microscopes...). They benefit from high precision assembling and conform to industrial international standards (IEC, NEMA, ASTM, SAE, DIN…). We test our solutions for optimum performance under all loads and environmental conditions, thereby helping our customers to reduce maintenance costs. We have the knowledge to reengineer existing solutions...

CARBON BRUSHES Renowned grades (e.g. CG651, EG34D, EG389P, L1, M44A) l Selected materials: graphite, copper… l High electrical conductivity l Good mechanical stability l Wide speed range (15 to 55 m/s) SERVICES Motor maintenance services lT ools & measuring devices l l POWER INTERCONNECTION (Utility) l BRUSH-HOLDERS & BRUSH GEAR Wide range: metric & imperial systems l Selected materials: non-ferrous alloys, anti-corrosion… l Molded, machined, die-cast, stamped l Single or multiple boxes l Fitted with independent pressure system: tension or coil springs l Brush-rocker assemblies l Brush-holders...

Generator Slip ring Exciter commutator brush-holders with dust exhaust systems Brush-holder assemblies Brush-holder brackets Radial segmented seals Power carbon brushes Axial/Radial segmented seals

MERSEN DUSTCOLLECTOR CARBON DUST COLLECTION SYSTEMS A SMART CONCEPT DESIGNED TO PREVENT SHORT CIRCUITS CAUSED BY LOW INSULATION RESISTANCE BETWEEN ACTIVE COILS AND GROUND Requires minimal maintenance Completely integrated and customized with plug & play concept l Designed for new, retrofit and refurbished hydro generators (up to 900 MW) l Annual preventive maintenance service A RELIABLE SOLUTION FOR BETTER HYDRO GENERATOR EFFICIENCY AND INCREASED HYDRO GENERATOR RUNNING TIME Studies performed by Mersen design offices Selection of high quality materials l T ested on our test benches l Conforming...

PTT-Energy-Hydro-EN-1605- Design by HENRY & SIEGLER - Photos : Photothèque Mersen - @Silvy K./Fotolia NORTH AMERICA SOUTH AMERICA france Mersen France Amiens SAS 10, avenue Roger Dumoulin 80084 Amiens France Tel.: +33 3 22 54 45 00 [email protected] CHINA Mersen Pudong Co., Ltd No 2 Building, 72 Jinwen Road Pudong New District, Shanghai 201323 P.R China Tel.: 86 21 58106360 [email protected] USA Mersen USA Bn Corp. 400 Myrtle Avenue Boonton NJ 07005 U.S.A. Tel.: +1 973 334 07 00 [email protected] BRAZIL Mersen do Brasil Ltda. Rua Anita Maria Botti Pedroso, 3 13315-000 - Cabreuva...