Formation of the Excavator Characteristics of a Frequency-Regulated Asynchronous Electric Drive,
ARMY FOREIGN SCIENCE AND TECHNOLOGY CENTER CHARLOTTESVILLE VA
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General requirements for excavator characteristics are presented. Equations are derived for excavator curves, based on frequency control by IR compensation and control with constant rated rotor frequency. The latter control principle is preferred with respect to space factor, total power losses and simplicity of accomplishing feedback.
- Construction Equipment, Materials and Supplies
- Electricity and Magnetism