TOSHIBA Top Page

Power Systems Company
Toshiba Worldwide
Language selector Japanese
Products & Services
Maintenance Items for Operating Time
Maintenance Points for Major Components
Site Search


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

Inspection Services
 

We recommend generator maintenance as per below.

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
15 years  
  (Special Overall) Maintenance and Inspection of Generator Cooler, Including Cooler for Stator Winding Cooling System, Cooler for IPB at Work Shop Auxiliaries   All Types
  Fastening Bolts of Packing Gland Stator   All Types
15 years or 100 thousand operation hours  
  (Special Examination) Non-Destructive Examination of Rotor & Auxiliaries
Special Menu
dotReplacement of Generator Retaining Rings 		Rotor Every 15 years or 100 thousand operation hours All Types
  Diagnostic test of Stator Winding If check result is failure, we recommend rewinding
Special Menu
dotLife Estimation & Maintenance of Generator Stator Coil Insulation
dotGenerator Stator Coil Rewindings 		Stator Every 15 years or 100 thousand operation hours All Types * Vacuum drying is needed for Water Cooled Stator Winding
Long time operation We recommend rewinding  

 
To Top
  Site Map | Contact Us | Terms and Conditions | Privacy Policy Copyright (C)