Space vector modulation and control of a unidirectional three-phase/level/switch VIENNA I rectifier with LCL-type AC filter

Viitanen, Tero; Tuusa, H.

doi:10.1109/pesc.2003.1216597

Cited by 48 publications

(26 citation statements)

References 5 publications

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“…Assuming the ac line current is in phase with the reference voltage, the redundant vectors are always charging or discharging the dc link neutral point with the maximum line current. Therefore, the combination of these redundant vectors can be used to balance the neutral-point voltage as an extra control variable in the space-vector-based approach [18].…”

Section: Space Vector Analysismentioning

confidence: 99%

“…For example, if the reference voltage vector lies in subsector 2, the corresponding relative dwell times for the vectors are given by [19], where M is the modulation index and ϕ is defined in …”

Section: Space Vector Analysismentioning

confidence: 99%

“…Consequently, in order to limit the voltage unbalance of the dc link, bigger dc-link capacitors are needed. The three-level spacevector-based control scheme [18]- [20] provides a clear insight into system control and operation, as the redundant vectors can be utilized to regulate the neutral-point voltage. However, a large calculation effort is required for the implementation, which has limited its application for high-switching applications.…”

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confidence: 99%

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Average Modeling and Control Design for VIENNA-Type Rectifiers Considering the DC-Link Voltage Balance

Lai

Wang

Burgos

et al. 2009

IEEE Trans. Power Electron.

145

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This paper presents a new average d-q model and a control approach with a carrier-based pulsewidth modulation (PWM) implementation for nonregenerative three-phase threelevel boost (VIENNA-type) rectifiers. State-space analysis and an averaging technique are used to derive the relationship between the controlled duty cycle and the dc-link neutral-point voltage, based on which an optimal zero-sequence component is found for dc-link voltage balance. By utilizing this zero-sequence component, the behavior of the dc-link voltage unbalance can be modeled in d-q coordinates using averaging over a switching cycle. Therefore, the proposed model is valid for up to half of the switching frequency. With the proposed model, a new control algorithm is developed with carrier-based PWM implementation, which features great simplicity and good dc-link neutral-point regulation. Space vector representation is also utilized to analyze the voltage balancing mechanism and the region of feasible operation. Simulation and experimental results validated the proposed model and control approach.Index Terms-Average d-q model, carrier-based pulsewidth modulation (PWM), operation region, space vector, VIENNA-type rectifier.

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Section: Space Vector Analysismentioning

confidence: 99%

Section: Space Vector Analysismentioning

confidence: 99%

mentioning

confidence: 99%

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Average Modeling and Control Design for VIENNA-Type Rectifiers Considering the DC-Link Voltage Balance

Lai

Wang

Burgos

et al. 2009

IEEE Trans. Power Electron.

145

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show abstract

“…Vienna-type rectifiers have attracted wide attention in recent years because of their unidirectional power conversion ability that fulfills high power density requirements [1]- [4]. The Vienna-type rectifiers offer many other advantages over conventional three-level rectifiers.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, several control approaches have been presented for the Vienna-type rectifier. These approaches include the hysteresis current control method [8], constant-frequency integration control scheme [11], [12], conventional direct power control strategy, [4], [9] and unity power factor control method [6], [7]. These approaches have different disadvantages.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Direct Power Control Method of Vienna Rectifiers Using the Sliding Mode Control Approach

Ma¹,

Xie²,

Sun³

et al. 2015

Journal of Power Electronics

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This paper uses the switching function approach to present a simple state model of the Vienna-type rectifier. The approach introduces the relationship between the DC-link neutral point voltage and the AC side phase currents. A novel direct power control (DPC) strategy, which is based on the sliding mode control (SMC) for Vienna I rectifiers, is developed using the proposed power model in the stationary a b -reference frames. The SMC-based DPC methodology directly regulates instantaneous active and reactive powers without transforming to a synchronous rotating coordinate reference frame or a tracking phase angle of grid voltage. Moreover, the required rectifier control voltages are directly calculated by utilizing the non-linear SMC scheme. Theoretically, active and reactive power flows are controlled without ripple or cross coupling. Furthermore, the fixed-switching frequency is obtained by employing the simplified space vector modulation (SVM). SVM solves the complicated designing problem of the AC harmonic filter. The simplified SVM is based on the simplification of the space vector diagram of a three-level converter into that of a two-level converter. The dwelling time calculation and switching sequence selection are easily implemented like those in the conventional two-level rectifier. Replacing the current control loops with power control loops simplifies the system design and enhances the transient performance. The simulation models in MATLAB/Simulink and the digital signal processor-controlled 1.5 kW Vienna-type rectifier are used to verify the fast responses and robustness of the proposed control scheme.

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Optimal switching sequence model predictive control for three‐phase Vienna rectifiers

Xie

Sun

et al. 2018

IET Electric Power Applications

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Vienna rectifier is a typical three-level rectifier with complicated operating constraints. Also, the constraints pose a challenge for designing controllers with good dynamic performance. As predictive control is good at dealing with constraints, an optimal switching sequence model predictive control (OSS-MPC) strategy for the three-phase Vienna rectifier is proposed. A proportional-integral controller is designed to regulate the dc-link voltage. Also, an improved OSS-MPC method is utilised to control the input currents. Compared to the conventional finite control set model predictive control, it has the extra advantages of improved steady-state performance, fixed switching frequency, and elimination of weight factors. Simulation and experimental results verify the correctness and effectiveness of the proposed control scheme.

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Space vector modulation and control of a unidirectional three-phase/level/switch VIENNA I rectifier with LCL-type AC filter

Cited by 48 publications

References 5 publications

Average Modeling and Control Design for VIENNA-Type Rectifiers Considering the DC-Link Voltage Balance

Average Modeling and Control Design for VIENNA-Type Rectifiers Considering the DC-Link Voltage Balance

Modeling and Direct Power Control Method of Vienna Rectifiers Using the Sliding Mode Control Approach

Optimal switching sequence model predictive control for three‐phase Vienna rectifiers

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