Abstract
The authors present alternatives appropriate for detecting incipient failures in three-phase induction motors of the sizes commonly found in the process industries, with an emphasis on techniques resulting from a recently completed project. The techniques discussed are divided into three categories: periodic tests, sequence tests, and the decision-function method. The use of the effective negative-sequence impedance test is recommended for in-plant predictive maintenance applications. This test is sensitive to a wide range of degradation mechanisms that will ultimately result in motor failure, and its use can allow for timely repair of the motor before costly downtime or a catastrophic failure is incurred. The technique can be applied while the motor is in operation. It is recommended that this predictor be monitored continuously, rather than being applied on a periodic basis, because an appropriate interval between tests cannot yet be defined. The use of the decision-function method will allow a more detailed analysis of motor performance and condition. However, the price for achieving this increased information is high and may not be warranted in many situations.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1580-1586 |
| Number of pages | 7 |
| Journal | Conference Record - IAS Annual Meeting (IEEE Industry Applications Society) |
| Issue number | pt 2 |
| State | Published - 1989 |
| Event | Conference Record of the 1989 IEEE Industry Applications Society Annual Meeting - Presented at the 24th IAS Annual Meeting.Part II - San Diego, CA, USA Duration: Oct 1 1989 → Oct 5 1989 |
All Science Journal Classification (ASJC) codes
- Control and Systems Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering