Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Reexamination Certificate
2007-07-03
2007-07-03
Han, Jessica (Department: 2838)
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
C363S098000, C363S132000
Reexamination Certificate
active
10929409
ABSTRACT:
An apparatus for controlling a voltage source converter with at least two bridges of semiconducting self commutating elements connected in anti-parallel with a diode, including circuitry for producing a switching control pulse train to form a fundamental frequency, circuitry for effecting a switching order and circuitry for detecting a switching event.
REFERENCES:
patent: 5990724 (1999-11-01), Bijlenga et al.
patent: 5991176 (1999-11-01), Saada et al.
patent: 6535402 (2003-03-01), Ying et al.
patent: 2004/0037097 (2004-02-01), Deng et al.
Döfnäs Lars
Jiang-Häfner Ying
Siljeström Roland
ABB Technology Ltd.
Franklin Eric J.
Han Jessica
Venable LLP
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