API TR 11L6 PDF
This technical report covers polyphase, squirrel-cage, induction motors for use as the prime mover for beam pumping units (size range of 200 HP and below). It includes a user Motor Data Sheet (Annex A) and an Electric Motor Performance Data Sheet Request Form (Annex B). Motors to be operated from solid-state or other types of variable frequency/variable voltage power supplies for adjustable speed applications will require individual consideration to provide satisfactory performance and are beyond the scope of this document. Motors conforming to this document are suitable for operation in accordance with their full load rating under ambient temperature at a maximum altitude of 1000 m (3300 ft.) above sea level with outdoor sever duty application, including blowing dust or snow, corrosive atmospheres, high humidity, and cyclic loading.
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