Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2008-09-09
2008-09-09
Ip, Paul (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S609000, C318S610000, C318S802000
Reexamination Certificate
active
10572235
ABSTRACT:
Regulation of the active and reactive power of an induction machine in a coordinate system fixed on the winding, wherein a first regulator output variable is generated using a first regulator as a function of a setpoint variable deviation of the active power and a second regulator output variable is generated using a second regulator as a function of a setpoint variable deviation of the reactive power, feedback variables are added to each of the first and second regulator output variables, which are functions of at least one chronologically changing system variable of the induction machine, and a voltage or a current of the induction machine is determined as a manipulated variable without further regulation at least from the first and second regulator output variables added to the feedback variables. The feedback variables may linearize the regulation path and then allow restriction to only two simple regulators, e.g., two PI regulators. The regulation may be used in double-fed asynchronous machines.
REFERENCES:
patent: 3506900 (1970-04-01), Neuffer et al.
patent: 4441065 (1984-04-01), Bayer et al.
patent: 4904920 (1990-02-01), Rufer
patent: 5235503 (1993-08-01), Stemmler et al.
patent: 5278485 (1994-01-01), Kim
patent: 5668459 (1997-09-01), Kim
patent: 5796236 (1998-08-01), Royak
patent: 5798631 (1998-08-01), Spee et al.
patent: 6448735 (2002-09-01), Gokhale et al.
patent: 6611437 (2003-08-01), Kawazoe et al.
patent: 6731522 (2004-05-01), Kawazoe et al.
patent: 6876169 (2005-04-01), Gallegos-Lopez et al.
patent: 7024332 (2006-04-01), Kunzel et al.
patent: 2003/0080701 (2003-05-01), Kikuchi et al.
patent: 2003/0214823 (2003-11-01), Kawazoe et al.
patent: 2004/0080968 (2004-04-01), Tarkiainen et al.
patent: 2004/0135538 (2004-07-01), Gallegos-Lopez et al.
patent: 2005/0002210 (2005-01-01), Moon et al.
patent: 2005/0029982 (2005-02-01), Stancu et al.
patent: 40 32 056 (1992-05-01), None
patent: WO 2004/107556 (2004-12-01), None
Krzeminski, Z; “Sensorless Multiscalar Control of Double Fed Machine for Wind Power Generators”; Apr. 2, 2002, Power Conversion Conference, 2002. PCC-Osaka 2002. Proceedings for the Osaka, Japan Apr. 2-5, 2002, Piscataway, NJ, USA, IEEE, US, pp. 334-339, XP010590475.
Ip Paul
Rankin , Hill & Clark LLP
Woodward Seg GmbH & Co KG
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