Invention Grant
- Patent Title: Induction motor speed estimation
- Patent Title (中): 感应电机速度估算
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Application No.: US14264332Application Date: 2014-04-29
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Publication No.: US09431949B2Publication Date: 2016-08-30
- Inventor: Pinjia Zhang , Prabhakar Neti , Patel Bhageerath Reddy
- Applicant: General Electric Company
- Applicant Address: US NY Niskayuna
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Niskayuna
- Agent Nitin N. Joshi
- Main IPC: H02P23/00
- IPC: H02P23/00 ; H02P25/00 ; H02P27/00 ; H02P23/08 ; H02P23/14 ; H02P27/02
Abstract:
A method for estimating a speed of an induction motor includes applying a voltage to the induction motor and measuring a current of the induction motor. A current fast fourier transform (FFT) of the current is then determined and a slip of the induction motor is calculated based on the current FFT. A speed of the induction motor is then estimated based on the slip of the induction motor.
Public/Granted literature
- US20150311849A1 INDUCTION MOTOR SPEED ESTIMATION Public/Granted day:2015-10-29
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