We all know what the efficiency of an electric motor is and how to calculate it (BTW, this reading is not intended for those who do not know).
A few questions:
- What is actually the efficiency of the winding?
- How to calculate its value?
- What is the meaning of such value?
- How to improve the winding?
Would you like to know more about it?
Quote:
Intro
The efficiency of a three-phase motor is complex and depends on several factors, including the design of
the stator and rotor, the quality of the materials used, the manufacturing process, the cooling system,
the control system and the winding configuration. Factors such as the basic winding factor, the
differential leakage coefficient, fill factor are important characteristics of the winding configuration
that affect the efficiency of the motor.
As for the winding alone, the two most important features that characterize a particular three-phase
winding (connection diagram) are:
- the basic winding factor and
- the differential leakage coefficient....
The continuation of this unique publication is available for purchase here.
(Look for pdf-publication with title: " MOTOR EFFICIENCY vs WINDING EFFICIENCY").
Note: this publication is intended for each motor-designer and experienced winder who want to know more, rather than for novices.
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