ABB Central Inverters PVS800-57

- Replacement DC circuit electrolytic capacitors and discharging resistors.;

- Replace main cooling fan of inverter module.

- Replace cooling fan of LCL filter.

- Replace cabinet cooling fan (roof).

- Replace cabinet cooling fan (door).

- Replace memory back-up battery in APBU branching unit.

- Inspect Cabinet temperature measurement sensor and transmitter check (DRMU-W).

- Check and clean of power connections,;

- Inspect air inlet and outlet meshes on the cabinet doors.

- Replace air filters on the cabinet doors.

- Check quality of supply voltage.

- Check capacitor reforming, spare modules and spare capacitors.

- Inspect tightness of terminals.

- Inspect dustiness, corrosion or temperature.

- Inspect Cabinet temperature measurement sensor and transmitter check (DRMU-W).

- Check and clean of power connections,

- Replace quick connector of converter module.;

- Inspect cabinet temperature measurement sensor and transmitter check (DRMU-W),

- Check and clean of power connections.;