Research on Carried-Based PWM with Zero-Sequence Component Injection for Vienna Type Rectifiers

Hui Ma; Mao Feng; Yu Tian; Xi Chen

Research on Carried-Based PWM with Zero-Sequence Component Injection for Vienna Type Rectifiers

Vol. 19, No. 2, pp. 560-568, Mar. 2019

10.6113/JPE.2019.19.2.560

DC-link neutral-point voltage balance

Carried-based PWM

Vienna-type rectifier

Zero-sequence component

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Abstract

This paper studies the inherent relationship between currents and zero-sequence components. Then a precise algorithm is proposed to calculate the injected zero-sequence component to control the DC-Link neutral-point voltage balance, which can result in a more efficient and flexible neutral point voltage balance with a desirable performance. In addition, it is shown that carried-based PWM with the calculated zero-sequence component scheme can be equivalent to space-vector pulse-width modulation (SVPWM). Based on the proposed method, the optimal zero-sequence component of the feasible modulation indices is analyzed. In addition, the unbalanced load limitation of the DC-Link neutral-point voltage balance control is also revealed. Simulation and experimental results are shown to verify the validity and practicality of the proposed algorithm.

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Cite this article

[IEEE Style]

H. Ma, M. Feng, Y. Tian, X. Chen, "Research on Carried-Based PWM with Zero-Sequence Component Injection for Vienna Type Rectifiers," Journal of Power Electronics, vol. 19, no. 2, pp. 560-568, 2019. DOI: 10.6113/JPE.2019.19.2.560.

[ACM Style]

Hui Ma, Mao Feng, Yu Tian, and Xi Chen. 2019. Research on Carried-Based PWM with Zero-Sequence Component Injection for Vienna Type Rectifiers. Journal of Power Electronics, 19, 2, (2019), 560-568. DOI: 10.6113/JPE.2019.19.2.560.