Two speed induction motor with tapped auxiliary winding

Details Two speed induction motor with tapped auxiliary winding Two speed induction motor with tapped auxiliary winding

2011-03-22

2011-03-22

Ip, Paul (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S772000, C318S774000, C318S776000, C310S179000, C310S180000

Reexamination Certificate

active

07911175

ABSTRACT:
A six lead, two speed, consequent wound, single phase induction motor with a tapped auxiliary winding having a 2-pole high speed mode and 4-pole low speed mode. A portion of the auxiliary winding is connected in series with the four pole main winding. The 4-pole low speed mode has an efficiency of over 80%.

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