ABB HXR Series User Manual

Manual for Induction Motors and Generators
96 - Trouble Shooting
3BFP 000 050 R0101 REV E
***Following chapter for cooling type: Air-to-air
8.1.3.2 Thermal performance, air-to-air cooling system
NOTE: For high bearing temperatures, see Table 8.1.2 Lubrication system and bearings.
Trouble shooting
Thermal performance
air-to-air cooling system
High winding temperature
High cooling air temperature
z
z Damaged cooling fan(s) Replace fan(s)
z
z Fan rotating in wrong direction Replace fan(s)
z
z Dirty machine interior Clean machine parts and air gaps
z
z Damaged external fan Replace fan
z
z Fan rotating in wrong direction Change shaft mounted fan or correct external blower motor operation
zz Leaking cooler Repair cooler
z
z Ambient temperature too high Add ventilation to decrease ambient temperature
z
z
Exiting air is pulled back in
Ensure sufficient clear distances surrounding the cooler
zz Heat source nearby Place heat sources further away, check ventilation
z
Overload
Control system setting Check machine controls, eliminate overload
z
z
Overspeed
Check actual speed and ABB speed recommendations
z
Network unbalance Check that network balance fulfils requirements
zzFaulty instrumentation or measurement system Check measurements, sensors and wiring
z Too many starts Let the machine cool down before restarting
z Winding fault Check windings
High intake air
temperature
Low secondary cooling
circuit performance
Corrective action
Experienced
malfunction
Low primary cooling
circuit performance
Possible cause

ABB HXR Series Specifications

General

Brand	ABB
Model	HXR Series
Category	Engine
Language	English