Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1989-08-31
1992-01-07
David, Smith,
Electricity: motive power systems
Induction motor systems
Primary circuit control
363 41, H02P 540
Patent
active
050794949
ABSTRACT:
High speed fast response PWM current control regulation methodology and circuitry samples the required peak motor current value from a previous PWM cycle and calculates the required peak motor current value for the present PWM cycle and repeats the sampling and calculating every PWM cycle and updates the new required peak motor current value every PWM cycle. The required peak motor current value for the present PWM cycle is calculated according to the equation
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"Practical Indirect Position Sensing for a Variable Reluctance Motor", Thesis by Walter D. Harris, MIT, May 1987.
David Smith,
Thor Technology Corporation
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