A Kalman Filter based Predictive Direct Power Control Scheme to Mitigate Source Voltage Distortions in PWM Rectifiers

Un-chul Moon; Soo-eon Kim; Roh Chan; Sangshin Kwak

A Kalman Filter based Predictive Direct Power Control Scheme to Mitigate Source Voltage Distortions in PWM Rectifiers

Vol. 17, No. 1, pp. 190-199, Jan. 2017

10.6113/JPE.2019.17.1.190

Three-phase pulse-width modulated rectifier

Direct power control

Predictive control

Kalman filter

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Abstract

In this paper, a predictive direct power control (DPC) method based on a Kalman filter is presented for three-phase pulse-width modulation (PWM) rectifiers to improve the performance of rectifiers with source voltages that are distorted with harmonic components. This method can eliminate the most significant harmonic components of the source voltage using a Kalman filter algorithm. In the process of predicting the future real and reactive power to select an optimal voltage vector in the predictive DPC, the proposed method utilizes source voltages filtered by a Kalman filter, which can mitigate the adverse effects of distorted source voltages on control performance. As a result, the quality of the source currents synthesized using the PWM rectifier is improved, and the total harmonic distortion (THD) values are reduced, even under distorted source voltages.

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Cite this article

[IEEE Style]

U. Moon, S. Kim, R. Chan, S. Kwak, "A Kalman Filter based Predictive Direct Power Control Scheme to Mitigate Source Voltage Distortions in PWM Rectifiers," Journal of Power Electronics, vol. 17, no. 1, pp. 190-199, 2017. DOI: 10.6113/JPE.2019.17.1.190.

[ACM Style]

Un-chul Moon, Soo-eon Kim, Roh Chan, and Sangshin Kwak. 2017. A Kalman Filter based Predictive Direct Power Control Scheme to Mitigate Source Voltage Distortions in PWM Rectifiers. Journal of Power Electronics, 17, 1, (2017), 190-199. DOI: 10.6113/JPE.2019.17.1.190.