Method for controlling a polyphase converter with...

Details Method for controlling a polyphase converter with... Method for controlling a polyphase converter with...

2006-08-02

2010-11-16

Nguyen, Matthew V (Department: 2838)

Electric power conversion systems

Current conversion

Using semiconductor-type converter

Reexamination Certificate

active

07835166

ABSTRACT:
The invention relates to a method for controlling a power converter comprising at least two phase modules, each of which is provided with an upper and a lower valve leg that is equipped with at least two serially connected bipolar subsystems, respectively. According to the invention, the switching actions in the two valve legs (T1, T2; T3, T4; T5, T6) of each phase module (100) of the multiphase power converter having distributed energy stores are performed at a freely selected interval (ΔTZ) rather than synchronously. The inventive control method for a multiphase power converter having distributed energy stores thus makes it possible to dynamically regulate valve leg currents (i11, i12, i21, i31, i32).

REFERENCES:
patent: 7110272 (2006-09-01), Nojima
patent: 7577008 (2009-08-01), Hiller
patent: 101 03 031 (2002-07-01), None
patent: 102 14 509 (2003-10-01), None
patent: 102 17 889 (2003-11-01), None

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