Modeling and Analysis of Voltage Harmonic for Three-Level Neutral-Point-Clamped H-Bridge Inverter Considering Dead-Time
Abstract
:1. Introduction
2. Modulation Strategy of Three-Level H-Bridge Inverter
3. NPC Three-Level Inverter PD-PWM Modulation Principle
4. Harmonic Analysis of Output Voltage of NPC Three-Level H-Bridge Inverter
4.1. Harmonic Analysis of Output Voltage without Dead-Time
4.2. Harmonic Analysis of Output Voltage with Dead-Time
5. Simulation and Experimental Results
5.1. Simulation Results
5.2. Experimental Results
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Appendix A
Appendix B
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Switch Tube | Output Voltage | Switch Mode | |||
---|---|---|---|---|---|
T1 | T2 | T3 | T4 | ||
1 | 1 | 0 | 0 | +Udc/2 | S1 |
0 | 1 | 1 | 0 | 0 | S2 |
0 | 0 | 1 | 1 | −Udc/2 | S3 |
Output Voltage | Range of x | |
---|---|---|
−π ≤ x < 0 | 0 ≤ x < π | |
+Udc/2 | −x/π < Mcosy | x/π < Mcosy |
0 | −x/π − 1 ≤ Mcosy < −x/π | x/π − 1 ≤ Mcosy < x/π |
−Udc/2 | Mcosy < −x/π − 1 | Mcosy < x/π − 1 |
Description | Value |
---|---|
DC bus voltage | 4 kV |
Carrier frequency | 1000 Hz |
Load resistance | 0.78 Ω |
Load inductance | 4.77 mH |
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Wu, W.-J.; Hu, L.-D.; Xin, Z.-Y.; Guo, C. Modeling and Analysis of Voltage Harmonic for Three-Level Neutral-Point-Clamped H-Bridge Inverter Considering Dead-Time. Energies 2022, 15, 5937. https://doi.org/10.3390/en15165937
Wu W-J, Hu L-D, Xin Z-Y, Guo C. Modeling and Analysis of Voltage Harmonic for Three-Level Neutral-Point-Clamped H-Bridge Inverter Considering Dead-Time. Energies. 2022; 15(16):5937. https://doi.org/10.3390/en15165937
Chicago/Turabian StyleWu, Wen-Jie, Liang-Deng Hu, Zi-Yue Xin, and Cheng Guo. 2022. "Modeling and Analysis of Voltage Harmonic for Three-Level Neutral-Point-Clamped H-Bridge Inverter Considering Dead-Time" Energies 15, no. 16: 5937. https://doi.org/10.3390/en15165937
APA StyleWu, W.-J., Hu, L.-D., Xin, Z.-Y., & Guo, C. (2022). Modeling and Analysis of Voltage Harmonic for Three-Level Neutral-Point-Clamped H-Bridge Inverter Considering Dead-Time. Energies, 15(16), 5937. https://doi.org/10.3390/en15165937