High efficiency electrical machine with minimized material conte

Details High efficiency electrical machine with minimized material conte High efficiency electrical machine with minimized material conte

1993-11-22

1995-11-28

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310166, 310254, 310216, H02K 106, H02K 1502

Patent

active

054711010

ABSTRACT:
An improved method is provided for the design of high-efficiency electric machines. The maximum practical value of air gap flux density B.sub.g is selected, consistent with maintaining acceptable noise and vibration levels. The value of B.sub.g selected is then used to determine the dimensions of the stator and rotor laminations so as to result in flux density levels that minimize core loss, stator I.sup.2 R and rotor I.sup.2 R losses, and magnetizing current requirements.

REFERENCES:
patent: 4755702 (1988-07-01), Iijima et al.

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