Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2005-10-04
2005-10-04
Masih, Karen (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S801000, C318S802000, C318S805000, C318S812000
Reexamination Certificate
active
06952089
ABSTRACT:
Improved voltage stiffness in the output voltage of an inverter used for a motor drive is obtained by a minor voltage feedback loop connecting the output of the inverter to a three-phase input in a vector domain.
REFERENCES:
patent: 4607274 (1986-08-01), Yoshitake
patent: 5450306 (1995-09-01), Garces et al.
patent: 6404655 (2002-06-01), Welches
patent: 2002/0053490 (2002-05-01), Banno et al.
patent: 2002/0101749 (2002-08-01), Ulrich
Masih Karen
Quarles & Brady LLP
Rockwell Automation Technologies Inc.
Walburn William R.
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