FIELD CONTROL DEVICE, FIELD CONTROL METHOD, AND SYNCHRONOUS ROTARY MACHINE USING SAME

Title:

FIELD CONTROL DEVICE, FIELD CONTROL METHOD, AND SYNCHRONOUS ROTARY MACHINE USING SAME

Document Type and Number:

WIPO Patent Application WO/2014/147659

Kind Code:

A1

Abstract:

This field control device (400) for a synchronous rotary machine (500) has the following: a target-operating-condition input unit (110); a first subtraction unit (121) that subtracts a final-control-quantity feedback value from an inputted final-control-quantity request value; a final-control-quantity control computation unit (122) that takes that difference as input and outputs a field-current correction request value; an anticipatory computation unit (130) that outputs a field-current anticipatory request value on the basis of an operating-condition request value; an addition unit (141) that adds the field-current correction request value to the field-current anticipatory request value; a second subtraction unit (142) that subtracts a field-current value from a field-current setting value; and a field-current regulation device (143) that regulates the field current on the basis of that difference. The anticipatory computation unit (130) has the following: a dependence-characteristics-data storage unit (132) that stores dependence characteristics estimated on the basis of the results of a no-load test; and a circuit calculation unit (133) that takes the operating-condition request value as input, uses the dependence characteristics to perform a circuit calculation, and outputs the field-current anticipatory request value.

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Inventors:

TSUDA TOSHIHIRO (JP)
KAWAMURA MITSUHIRO (JP)
FUKAMI TADASHI (JP)
SHIMA KAZUO (JP)

Application Number:

PCT/JP2013/001843

Publication Date:

September 25, 2014

Filing Date:

March 18, 2013

Export Citation:

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Assignee:

TOSHIBA MITSUBISHI ELEC INC (JP)

International Classes:

H02P27/06; G01R31/24; H02P25/08

Foreign References:

JP2011172369A	2011-09-01
JPH08126388A	1996-05-17
JP2001153934A	2001-06-08

Attorney, Agent or Firm:

KIKUCHI, Osamu et al. (JP)
Kikuchi 治 (JP)

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