Field control device, method of field control, and synchronous rotating machine

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United States of America Patent

PATENT NO 9450522
APP PUB NO 20150381082A1
SERIAL NO

14768561

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A field control device for a synchronous rotating machine includes: a target operating condition input unit; a first subtraction unit; a final-control-quantity control computation unit that accepts the final-control-quantity deviation and outputs a field-current correction demand value; an anticipatory computation unit that outputs a field-current anticipatory demand value based on the operating condition demand values input; an addition unit that adds the field-current correction demand value and the field-current anticipatory demand value; a second subtraction unit; and a field-current regulation device that adjusts the field current based on the field current deviation. The anticipatory computation unit includes: a dependence characteristic data storage unit that stores dependence characteristics predicted on the basis of the results of a no-load test; and a circuit calculation unit that performs a circuit calculation by using the dependence characteristics and outputs a field-current anticipatory demand value.

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Patent Owner(s)

  • TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukami, Tadashi Ishikawa, JP 71 827
Kawamura, Mitsuhiro Tokyo, JP 20 86
Shima, Kazuo Ishikawa, JP 65 250
Tsuda, Toshihiro Tokyo, JP 11 8

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