Modified Impedance-Source Inverter with Continuous Input Currents and Fault-Tolerant Operations
Abstract
:1. Introduction
2. Proposed Embedded Enhanced-Boost Z-Source Inverter
2.1. Operation Principle
2.2. Boost Capability Comparison
2.3. Voltage Stresses Comparison
2.4. Inductor and Capacitor Design
2.5. Control Method
3. Fault-Tolerant Analysis
3.1. Open-Circuit Analysis
3.2. Short-Circuit Analysis
3.3. Source-Unbalance Analysis
4. Experimental Verification
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Symbol | ZSI [8] | E-ZSI [20] | DA-ZSI [16] | SI-ZSI [16] | EB-ZSI [16] | EEB-ZSI | |
---|---|---|---|---|---|---|---|
Boost Factor | B | ||||||
Voltage Gain | G | ||||||
Switch Stress | |||||||
, Stress | NA | NA | NA | NA | |||
, Stress | NA | NA | NA | NA | 1 |
Normal Condition | Open-Circuit Condition | Short-Circuit Condition | |
---|---|---|---|
B | |||
Parameter | Symbol | Value |
---|---|---|
DC input voltage | V | |
EEB-ZSI inductance | H | |
EEB-ZSI capacitor | F | |
Load inductance | mH | |
Load resistance | ||
Switching frequency | 5 kHz |
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Yuan, J.; Yang, Y.; Liu, P.; Shen, Y.; Blaabjerg, F. Modified Impedance-Source Inverter with Continuous Input Currents and Fault-Tolerant Operations. Energies 2020, 13, 3408. https://doi.org/10.3390/en13133408
Yuan J, Yang Y, Liu P, Shen Y, Blaabjerg F. Modified Impedance-Source Inverter with Continuous Input Currents and Fault-Tolerant Operations. Energies. 2020; 13(13):3408. https://doi.org/10.3390/en13133408
Chicago/Turabian StyleYuan, Jing, Yongheng Yang, Ping Liu, Yanfeng Shen, and Frede Blaabjerg. 2020. "Modified Impedance-Source Inverter with Continuous Input Currents and Fault-Tolerant Operations" Energies 13, no. 13: 3408. https://doi.org/10.3390/en13133408