Invention Grant
- Patent Title: High phase order AC machine with short pitch winding
- Patent Title (中): 具有短节距绕组的高相位交流电机
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Application No.: US11630293Application Date: 2005-06-21
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Publication No.: US07928683B2Publication Date: 2011-04-19
- Inventor: Jonathan Sidney Edelson
- Applicant: Jonathan Sidney Edelson
- Applicant Address: GI
- Assignee: Borealis Technical Limited
- Current Assignee: Borealis Technical Limited
- Current Assignee Address: GI
- International Application: PCT/US2005/022011 WO 20050621
- International Announcement: WO2006/002207 WO 20060105
- Main IPC: G05D23/275
- IPC: G05D23/275

Abstract:
A high phase order alternating current rotating machine is disclosed having an inverter drive that provides more than three phases of drive waveform of harmonic order H, and characterized in that the windings of the machine have a pitch of less than 180 rotational degrees. Preferably the windings are connected together in a mesh, star or delta connection. A method for operating a high phase order induction motor is also disclosed, involving electrically connecting N windings into a mesh connection with a value of Δ that provides a substantial range in speed/torque relation when operating with at least two out of first, second and third harmonic, low order harmonics being the most efficient.
Public/Granted literature
- US20100219788A1 High phase order AC Machine with Short Pitch Winding Public/Granted day:2010-09-02
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