TOPS provides end-to-end maintenance for power generators and rotating electrical equipment, ensuring your generators operate safely and efficiently. We service generator units from leading OEMs including Brush, GE/Alstom, Hitachi, Toshiba, and others, covering both turbine-driven and hydro/industrial generators up to hundreds of megawatts.

Our generator field service capabilities include:

• Inspections & Testing: Visual inspections of housings, coolers, exciter systems and wiring; cleaning of air filters and ventilation paths; insulation resistance testing, polarization index, and winding integrity tests.
• On-Site Repairs: Bearing inspections and replacements, seal replacements, stator winding cleaning, and wedging; brush gear maintenance and excitation system tuning in-situ.
• Generator Overhauls: Full generator rotor removal and overhaul; rotor windings, retaining rings, and core inspections; stator re-wedging or rewinds via shop partners; precision alignment and vibration verification before return to service.
• Upgrades: Retrofit digital voltage regulators, improved cooling components, and upgraded insulation systems to extend service life.

With deep experience in large generator maintenance, TOPS restores reliability and coordinates any off-site repairs with trusted partners, offering a single-source solution.