التفاصيل البيبلوغرافية
| العنوان: |
Electric Motor Efficiency under Variable Frequencies and Loads. |
| المؤلفون: |
Burt, Charles M., Xianshu Piao, Gaudi, Franklin, Busch, Bryan, Taufik, N. F. N. |
| المصدر: |
Journal of Irrigation & Drainage Engineering; Apr2008, Vol. 134 Issue 2, p129-136, 8p, 1 Color Photograph, 1 Black and White Photograph, 2 Diagrams, 6 Charts, 8 Graphs |
| مصطلحات موضوعية: |
IRRIGATION, ENERGY conservation, ELECTRIC motors, ENERGY consumption, PUMPING machinery, RESEARCH institutes |
| مستخلص: |
This paper details a study performed by the Irrigation Training and Research Center to determine motor performances under varying speeds [induced by a variable frequency drives (VFD) controller] and loads. A further goal of the study was to provide sufficient information to designers so that they could estimate total pumping plant power usage with a VFD-controlled installation. Motors were tested with a VFD as well as across-the-line. On average, the relative efficiency of the electrical system with a VFD may be approximately 8% lower than the relative efficiency of a properly designed, full-load across-the-line system. If one considers actual field operating conditions this 8% is misleading because overall energy savings can be obtained with VFDs due to their ability to properly adjust speeds to meet actual field conditions. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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