High
Mechanical Maintenance
More components to fail over time:
Gearbox
failures
Oil
leaks & contamination
Failed
& misaligned drive shafts
Excessive
vibration
Additional replacement time due
to large
mounting frame
Conventional
Cooling Tower Control
Lightly
loaded majority of the time
Peak
load for short durations
Started
across the line
High
inrush currents
Mechanical
stresses
Seal and bearing wear when fan windmills