Maintenance
TYPES OF WORK ON ELECTRIC ENGINES MAINTENANCE AND TRANSFORMERS
• stator and rotor maintenance with wrap substitution;
• electrical machines wrap production;
• repairing mechanical parts of electrical machines of every degree of difficulty:
– bearing block repairing and substitution;
– restitution of working axis surface;
– repairing and substitution of brush gear connection joints and brushless energizer;
– repairing and change of explosion protection connection joints;
– rotors’ dynamic balancing on balancing device and in own bearing part;
– drying and substitution of oil in power transformers.
• sandblasting cleaning and restitution of lacquer coating;
• repairing and substitution of active iron stator made of electrotechnical steel;
• axis replacement for new in case of its unrepairability;
• repairing of pressure breakdown labyrinth or their replacement for new modernized ones with floating rings;
• replacement of power transformers wrap.
