Active generator control sequence

Details Active generator control sequence Active generator control sequence

2008-03-28

2011-10-25

Patel, Rajnikant B (Department: 2838)

Electric power conversion systems

Frequency conversion without intermediate conversion to d.c.

By semiconductor converter

C363S163000

Reexamination Certificate

active

08045354

ABSTRACT:
A method for operating a matrix converter to convert n phases of a generator into alternating voltage with nr(nr<n) phases of a load connected to a network includes the steps of alternatingly connecting the nr phases of the load using a plurality of controllable bi-directional switches disposed in an (n×nr) matrix, wherein nr phases of the generator are always connected with the load and (n−nr) phases of the generator are not connected with the load, and controlling the switching of a phase k of the generator at a time t to a phase c of the grid, using a periodical, continuous, segmented function k(t). The function k(t) defines a broken line having a plurality of segments, wherein each segment i is defined by a starting time tiand a pulsation ωi, and the value of the function k(t) is rounded to the closest integer value.

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