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Thermal Power
  Home > Thermal Power > Services & Maintenance > Generators & Electrical Systems >

Inspection Services
 

We recommend generator maintenance as per below.

Operating Time 8~10years
Operation Item Part Interval Applied Cooling
Type
2 years  
  Inspection of High Voltage Bushing Stator Every 2years All Types * Inapplicable in case of without Copper Bar
  Fastening Bolts of Packing Gland Stator Every 2years All Types
  Maintenance and Inspection of generator Cooler, Including Cooler for Stator Winding Cooling System, Cooler for IPB Auxiliaries Every 2years All Types
  Inspection of AC Exciter & Auxiliaries Auxiliaries Every 2years All Types* Applicable only DC Excitation System
4~6years  
  Overall Inspection for Field Endwinding Rotor Every 4 years All Types
  Overall Inspection for Stator Winding Stator Every 4 years All Types
  Inspection of Bushing Current Transformer Auxiliaries Every 4 years All Types
  Inspection of AC Exciter Auxiliaries Every 4 years All Types* Applicable only DC Excitation System
  Non-Destructive Examination of Rotor & Auxiliaries
Special Menu
dotGenerator Retaining Rings Replacement		 Rotor Every 4~6years All Types
8~10 years  
  (Special Examination) Capacitance Mapping Test for Water Cooled Stator Winding First time: 10 years after starting operation After: Every 2 years If check result is failure, we recommend rewinding
Special Menu
dotCapacitance Measuring Robot		 Stator Every 2years Water cooled stator winding type only.
  (Special) Inspection of High Voltage Bushing Stator Every 8 years All Types* Inapplicable in case of without Copper Bar
  (Special) Inspection of AC Exciter Auxiliaries Every 8 years All Types* Applicable only DC Excitation System
  (Special) Maintenance and Inspection of Generator Cooler, Including Cooler for Stator Winding Cooling System, Cooler for IPB at Site Auxiliaries Every 8~10 years All Types

 
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