Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers
<p>T type Vienna rectifier topology [<a href="#B20-sensors-22-06607" class="html-bibr">20</a>].</p> "> Figure 2
<p>Four working states of Vienna rectifier. (<b>a</b>) <span class="html-italic">S</span><sub>a</sub> = 0, <span class="html-italic">i</span><sub>a</sub> > 0; (<b>b</b>) <span class="html-italic">S</span><sub>a</sub> = 0, <span class="html-italic">i</span><sub>a</sub> > 0; (<b>c</b>) <span class="html-italic">S</span><sub>a</sub> = 0, <span class="html-italic">i</span><sub>a</sub> > 0; (<b>d</b>) <span class="html-italic">S</span><sub>a</sub> = 0, <span class="html-italic">i</span><sub>a</sub> > 0.</p> "> Figure 3
<p>Space vector diagram of Vienna rectifier.</p> "> Figure 4
<p>Vector relation of input voltage and current and vector diagram of large sector I space.</p> "> Figure 5
<p>Ideal and actual voltage vector comparison.</p> "> Figure 6
<p>Vienna rectifier Zero-Crossing Distortion Sector Diagram.</p> "> Figure 7
<p>Zero-crossing distortion region in large sector I.</p> "> Figure 8
<p>Operation of reference voltage vector in sectors 3, 4, 5, and 6. (<b>a</b>) The reference voltage vector is in the undistorted region of sector 5. (<b>b</b>) The reference voltage vector is in the undistorted region of sector 3. (<b>c</b>) The reference voltage vector is in the distortion region I. (<b>d</b>) The reference voltage vector is in the undistorted region of sector 4. (<b>e</b>) The reference voltage vector is in the undistorted region of sector 6.</p> "> Figure 9
<p>Operation of reference voltage vector in sectors 1 and 2. (<b>a</b>) The reference voltage vector is in the undistorted region of sector 1. (<b>b</b>) The reference voltage vector is in the distortion region I. (<b>c</b>) The reference voltage vector is in the undistorted region of sector 2.</p> "> Figure 10
<p>Modulation timing diagram of SVPWM after adding midpoint balance control.</p> "> Figure 11
<p>Simulation results of three-phase input current, line-to-neutral voltage and midpoint potential difference with traditional modulation strategy (m = 0.51, Vdc = 400 V).</p> "> Figure 12
<p>Simulation results of three-phase input current, line-to-neutral voltage and midpoint potential difference with improved hybrid modulation strategy (m = 0.51, Vdc = 400 V).</p> "> Figure 13
<p>Simulation results of three-phase input current, line-to-neutral voltage and midpoint potential difference with traditional modulation strategy (m = 0.86, Vdc = 600 V).</p> "> Figure 14
<p>Simulation results of three-phase input current, line-to-neutral voltage and midpoint potential difference with improved hybrid modulation strategy (m = 0.86, Vdc = 600 V).</p> "> Figure 15
<p>Input current experimental waveforms: (<b>a</b>) traditional method, m = 0.51, Vdc = 400 V; (<b>b</b>) proposed method, m = 0.51, Vdc = 400 V; (<b>c</b>) traditional method, m = 0.86, Vdc = 600 V; (<b>d</b>) proposed method, m = 0.86, Vdc = 600 V.</p> "> Figure 16
<p>Line-to-neutral voltage experimental waveforms: (<b>a</b>) traditional method, m = 0.51, Vdc = 400 V; (<b>b</b>) proposed method, m = 0.51, Vdc = 400 V; (<b>c</b>) traditional method, m = 0.86, Vdc = 600 V; (<b>d</b>) proposed method, m = 0.86, Vdc = 600 V.</p> "> Figure 17
<p>Midpoint potential difference experimental waveforms: (<b>a</b>) traditional method, m = 0.51, Vdc = 400 V; (<b>b</b>) proposed method, m = 0.51, Vdc = 400 V; (<b>c</b>) traditional method, m = 0.86, Vdc = 600 V; (<b>d</b>) proposed method, m = 0.86, Vdc = 600 V.</p> ">
Abstract
:1. Introduction
2. Vienna Rectifier Working Principle and Current Distortion Causes
3. Improved Hybrid Modulation Strategy
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Distortion Area | Zero-Crossing Current | Ideal Vector | Actual Vector |
---|---|---|---|
I | ib < 0 → ib > 0 | [O N N] | [O P N] |
II | ia > 0 → ia < 0 | [P P O] | [N P O] |
III | ic < 0 → ic > 0 | [N O N] | [N O P] |
IV | ib > 0 → ib < 0 | [O P P] | [O N P] |
V | ia < 0 → ia > 0 | [N N O] | [P N O] |
VI | ic > 0 → ic < 0 | [P O P] | [P O N] |
Sector | Clamp Method | Switch Sequence |
---|---|---|
5 | - | [ONN] [PNN] [PON] [POO] [PON] [PNN] [ONN] |
3 | - | [ONN] [OON] [PON] [POO] [PON] [OON] [ONN] |
I | B-O | [POO] [PON] [OON] [PON] [POO] |
4 | - | [OON] [PON] [POO] [PPO] [POO] [PON] [OON] |
6 | - | [OON] [PON] [PPN] [PPO] [PPN] [PON] [ONN] |
Sector | Clamp Method | Switch Sequence |
---|---|---|
1 | - | [ONN] [OON] [OOO] [POO] [OOO] [OON] [ONN] |
I | B-O | [POO] [PON] [OON] [PON] [POO] |
2 | - | [OON] [OOO] [POO] [PPO] [POO] [OOO] [OON] |
Parameter | Value |
---|---|
Three-phase voltage RMS /V | AC 115 |
Grid frequency/Hz | 50 |
Switching frequency/kHz | 20 |
Filter inductance/mH | 2 |
DC-link capacitor/μF | 2000 |
KP | 4 |
KI | 0.3 |
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Wang, Y.; Li, Y.; Guo, X.; Huang, S. Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers. Sensors 2022, 22, 6607. https://doi.org/10.3390/s22176607
Wang Y, Li Y, Guo X, Huang S. Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers. Sensors. 2022; 22(17):6607. https://doi.org/10.3390/s22176607
Chicago/Turabian StyleWang, Yaodong, Yinghui Li, Xu Guo, and Shun Huang. 2022. "Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers" Sensors 22, no. 17: 6607. https://doi.org/10.3390/s22176607