TAM 00699 33
DSD2 045 – 132 04/2018
Three-phase synchronous motor English
9.8 Malfunctions in operation
Temperature rise in the motor
Motor temperature monitoring
unit trips
Water cooling is not active
Coolant supply inadequate
-Filter extremely dirty
- Deposits in the cooling
channels
- Faults in the external cooling
system
Check and switch on if required
Check water circuit
- Check and clean if required
-Check and clean if required
- Follow plant supplier’s
instructions
Overpressure in the cooling
system
Heavily soiled coolant
Cooling channels blocked
Malfunctions in the external
cooling system
Filter coolant
Check and clean if required
Follow plant supplier’s
instructions
Table 9: Malfunctions water cooling
9.9 Inspection
During regular cleaning the flow rate and the pressure ratio of the cooling system must be checked.
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