Preventive Maintenance MVD "Hitachi" at Sugar Factory

Preventive Maintenance MV Drives "Hitachi"

Detail as :

Panel Housing (Power Cell and Tr. Panel).
- Visual inspection check.
- Cleaning housing (inner/Outer).
- Cleaning or Changing the dust filters.
- Preparation submits service data report and photography report

MV. Dry Type Transformer.
- Visual inspection check.
- Cleaning housing (inner/Outer).
- Recheck connection point (Power/Control)
- Insulation Resistance Test (IR).
- Polarization Index Test (PI).
- Preparation submits service data report and photography report

Power Cell Modules.
- Visual inspection check.
- Cleaning housing (inner/Outer).
- Recheck connection point (Power/Control)
- Messurement SCR , IGBT and Power Semi Fuse value.
- Preparation submits service data report and photography report

CT, PT and Groung cable loop.
- Visual inspection check.
- Recheck connection points.
- Recheck necessories components in loop.
- Some changing cable terminal format.
- Preparation submits service data report and photography report

History Recording.
- Recheck by M-Tool program.