Vector control device of winding field type synchronous machine

Details Vector control device of winding field type synchronous machine Vector control device of winding field type synchronous machine

2006-12-05

2006-12-05

Masih, Karen (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Armature winding circuits

C318S700000, C388S806000, C388S805000, C388S809000

Reexamination Certificate

active

07145311

ABSTRACT:
A vector control device of a winding field type synchronous machine with which even when voltage changes caused by resistance voltage falls and inductance fluctuations due to armature current occur the armature voltage is controlled exactly to a desired command value and a high power supply utilization percentage is maintained at all times. An absolute value of armature voltage is calculated from an armature voltage command value or an armature voltage detected value, and the armature voltage is controlled by a flux command being regulated so that this absolute value of armature voltage approaches a desired armature voltage command value. Also, the armature voltage command value is regulated so that the loss of the synchronous machine becomes minimal with reference to the armature current and the field current.

REFERENCES:
patent: 4549122 (1985-10-01), Berkopec et al.
patent: 6731098 (2004-05-01), Hintz et al.
patent: 05-030774 (1993-02-01), None
patent: 08/331900 (1996-12-01), None
patent: 2856950 (1998-11-01), None
patent: 11-313498 (1999-11-01), None
“Vector Control of Synchronous Machine”,Author: Hiroshi Osawa, at S. 8-19 in 1989 National Convention Record of The Institute of Electrical Engineers of Japan.

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