Improving Motor Reliability - Electrical Line（提高发动机可靠性电气线路）.pdf

Improving Motor Reliability With Infrared Condition Monitoring By Ron Newport hen a motor stops operating critical to the reliability of any facilit monitoring techniques used on all maintenance resources or process. motors and the electrical system to Ware directed to the repair or In recent years heightened concern for detect a failure symptom. There are replacement of the motor. The question safety and reliability, and the onslaught other techniques to correct the prob- that should come up is, could the failure of global competition are impacting lems and proactive technologies to have been predicted before shutdown? maintenance practices and testing meth- improve reliability. Or even better, could it have been pre- ods. Throw in today’s recessionary cli- Condition monitoring (CM) provides vented or could action have been taken mate, and it becomes even more impor- a means of determining whether main- to prolong the life of the motor? If the tant to move from reactive to condition- tenance is required and when it is motor, mechanical drive and the electri- based maintenance. required. Condition monitoring is the cal circuit providing power to it is con- Two primary reasons cited for imple- continuous or periodic measurement sidered a system, and that system is menting a condition monitoring motor and interpretation of data to indicate the monitored and analyzed on a routine program are: to prevent failure and to condition of an item to determine the basis, the answer can be “Yes”. detect the onset of failure. The results need for predictive maintenance. CM The industrial facilities that have are improved overall p