Radio Networks Predictive Control of a T-type Inverter in Wind Energy

Jian-jun Zhu, Guo-liang Yang, Yang Zi, Yi-ming Fang


A new controlling method of three level inverters is proposed in this paper. Three-level T inverters are widely used in industry for high-power, medium-voltage power conversion and drives. Topics related to power losses due to commutation and quality of the output current is relevant issues in this power range. The neutral-point balancing problem in this topology is another subject that has been studied in recent years. Among the most common control methods for this converter, the literature states are non linear techniques, like hysteresis control, and linear methods, like the use of PI controllers in conjunction with pulse width modulation. The general predictive control scheme is applied here to the inverter. The behavior of the system is predicted for each possible switching state of this kind of inverter. The switching state that minimizes a given cost function is selected to be applied during the next sampling interval following the same strategy.


Predictive Control; T-type Inverter; Grid Connected

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International Journal of Online Engineering (iJOE).ISSN: 1861-2121
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