Beat-less controller for permanent magnet motor

Details Beat-less controller for permanent magnet motor Beat-less controller for permanent magnet motor

2007-12-28

2010-10-05

Masih, Karen (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S807000, C318S400010

Reexamination Certificate

active

07808202

ABSTRACT:
In a driving system for an inverter that uses a diode rectifying circuit to convert a single-phase or three-phase AC voltage to a desired DC voltage and drives a permanent magnet motor, a DC-voltage pulsating frequency is estimated from a pulsating frequency setting calculated from the power supply frequency of an AC voltage and the detected current values of the inverter, and the resulting estimated pulsating frequency value and detected current values are used to correct the output voltage of the inverter.

REFERENCES:
patent: 4947088 (1990-08-01), Kisakibaru et al.
patent: 5475293 (1995-12-01), Sakai et al.
patent: 2004-104898 (2004-04-01), None

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