Generator Services and Inspections

Our top priority is to provide outstanding, responsive service solutions to help you improve operating plant competitiveness and profitability. In addition to our engineering expertise, we have many years of experience in providing field service.

We provide an experienced service team, comprised of highly qualified staff from management to engineering specialists, service engineers and technicians.

To keep pace with technological advances in the industry, our specialists develop their skills through continuous training. Over two hundred Energoserwis employees have received advanced training and gained additional experience by providing generator field services in the USA.

Our service teams are non stop at your disposal. We are available where and when you need us. To cover all of your requirements we offer a wide range of service competencies, including general stator overhauls, rotor upgrades, NDE / Diagnostic Services and many additional stator and rotor inspections.

Stator Overhauls
* Re-wedging of slots
* Replacement of bushing gaskets
* Repair of damage to the core
* Refurbishment of semi-conducting and insulating varnish coating
* Repair of damage to the core-to-frame mounting system
* Repair of temperature measurement circuits
* Replacement of damaged winding parts with new or refurbished components
* Repair or manufacture of new main lead bushings

Rotor Upgrades
* Repair of damaged collector rings or manufacture of new ring assemblies
* Rewedging of rotor windings
* Repair of insulation components
* Replacement of gaskets and seal assemblies
* Upgrades to rotor end windings, e.g. blocking and insulation
* Upgrades to inner cooling ventilation ducts
* True-up machining, polishing and legalization of rotor shaft

NDE / Diagnostic Services
* Retaining Ring Inspection (Penetrant / Ultrasonic testing and evaluation)
* El Cid/Fast Gen
* Thermovision / Magnetic Particle / X-Ray
* Measurement of rotor leakage flux
* Insulation Resistance testing
* Measurement of Active Resistance of Stator and Rotor Windings
* Measurement of Power Factor and Cx value of Stator Windings
* Measurement of Leakage Currents
* Recurrent Surge Oscilloscopy (RSO)