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This paper proposes a fault ride through (FRT) method for a matrix converter in a grid‐connected system to control the grid reactive current and generator torque during a three‐phase short voltage sag. In the proposed method, the control period of the system is divided into three modes. In the first mode, all switches are turned off, and in the second mode, a zero vector is obtained at the output...
This paper proposes a FRT (Fault ride through) method of a matrix converter under three-phase short voltage sag. The feature of the proposed method is to control grid reactive current and generator torque at the same time. In order to realize these capabilities, this paper describes a modulation method dividing a control period into 3 modes. The first mode is to turn off all switches and the second...
This paper discusses an interface power converter between a power grid and an engine generator. A matrix converter, which is one of the AC/AC direct converters, can achieve high efficiency without large energy storages. Therefore, the volume of the converter becomes smaller and the reliability of the interface system is improved due to no use of electrolytic capacitor. This paper discusses the control...
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