What is typically monitored to prevent a centrifugal pump from overheating?

In the context of preventing a centrifugal pump from overheating, monitoring the motor current is crucial. The motor current provides an indication of the load on the motor, which is directly related to the pump's operation. When a pump is running under ideal conditions, the motor current will be within a specified range. However, if the pump is experiencing issues such as clogging, cavitation, or low flow rates, the motor may draw more current than normal. This increase in current can generate additional heat, leading to overheating of the motor and potentially causing damage or failure.

By regularly monitoring the motor current, operators can detect anomalies early and take corrective actions before the pump reaches critical overheating levels. Thus, utilizing motor current as an indicator is an effective way to ensure the safe and efficient operation of centrifugal pumps.