When a motor-driven machine starts to fail, one of the earliest signs is an increase in power draw by that motor – typically before you can hear a problem or it overheats. For example, a deteriorating bearing or a short in the windings or a plugged downstream filter, can result in significant increases in power draw.
If the motor normally draws between 20kW and 40kW an hour, alerts can be set at 15kW and 45kW - with or without a time delay. So, if the motor exceeds 45kW for a period of X minutes, an alert will be sent.
Here are common problems that can occur with motor-driven systems…
- Torque Overload
- Rotor/Stator/Bearing Failures
- Phase imbalance
- Capacitor failure
- Broken or slipping drive belt
- Loose or sheared shaft coupling
- Open pump discharge
- Restricted pump intake
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