Improved motors for utility applications: Volume 6, Squirrel-cage rotor analysis: Final report
Technical Report
·
OSTI ID:7169495
An analysis of squirrel cage induction motor rotors was undertaken in response to an Industry Assessment Study finding 10% of motor failures to be rotor related. The analysis focuses on evaluating rotor design life. The evaluation combines state-of-the-art electromagnetic, thermal, and structural solution techniques into an integrated analysis and presents a simple summary. Finite element techniques are central tools in the analysis. The analysis is applied to a specific forced draft fan drive design. Fans as a category of application have a higher failure rate than other categories of power station auxiliary motor applications. Forced-draft fan drives are one of the major fan drives which accelerate a relatively high value of rotor load inertia. Various starting and operating conditions are studied for this forced-draft fan drive motor including a representative application duty cycle.
- Research Organization:
- General Electric Co., Schenectady, NY (USA); Electric Power Research Inst., Palo Alto, CA (USA)
- OSTI ID:
- 7169495
- Report Number(s):
- EPRI-EL-4286-Vol.6; ON: TI87920168
- Country of Publication:
- United States
- Language:
- English
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Sat Jan 31 23:00:00 EST 1976
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