Analysis to Input Current Zero Crossing Distortion of Bridgeless Rectifier Operating under Different Power Factors
Abstract
:1. Introduction
2. Operating Principle and Driving Modes of Switches
2.1. Effective Operation Mode and Mathematical Model
2.2. Driving Mode of Two Switches
3. Analysis of Input Current Zero-Crossing Distortion
3.1. Theory for Input Current Zero-Crossing Distortion
3.2. Distortion Characteristics of Input Current under Unity Power Factor
3.3. Distortion Characteristics of Input Current under Leading Power Factor
3.4. Distortion Characteristics of Input Current under Lagging Power Factor
4. Constrain of Input Current on Filter Inductance, Input Current Amplitude, and Power Factor Angel Based on THD
5. Simulation and Experimental Results
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Mode I | Mode II | Mode III | Mode IV |
---|---|---|---|
is > 0 | is < 0 | ||
ucon = Udc | ucon = 0 | ucon = −Udc | ucon = 0 |
D1, DS2 conductivity | S1, DS2 conductivity | D2, DS1 conductivity | S2, DS1 conductivity |
Parameters | Value |
---|---|
Input voltage (RMS) | 220 V |
Source voltage frequency | 50 Hz |
Input current (RMS) | 65 A |
Input inductance | 3 mH |
Switching frequency | 5 kHz |
Load side capacitance | 4700 uF |
DC-link resistance | 0.09 Ω |
DC-link voltage | 400 V |
Parameter | Value |
---|---|
Input voltage (RMS) | 24 V |
Source voltage frequency | 50 Hz |
Input current (RMS) | 1.37 A |
Input inductance | 5 mH |
Switching frequency | 5 kHz |
Load side capacitance | 2200 uF |
DC-link resistance | 50 Ω |
DC-link voltage | 40 V |
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Liu, J.; Liu, Y.; Zhuang, Y.; Wang, C. Analysis to Input Current Zero Crossing Distortion of Bridgeless Rectifier Operating under Different Power Factors. Energies 2018, 11, 2447. https://doi.org/10.3390/en11092447
Liu J, Liu Y, Zhuang Y, Wang C. Analysis to Input Current Zero Crossing Distortion of Bridgeless Rectifier Operating under Different Power Factors. Energies. 2018; 11(9):2447. https://doi.org/10.3390/en11092447
Chicago/Turabian StyleLiu, Jinqi, Yizhou Liu, Yuan Zhuang, and Cong Wang. 2018. "Analysis to Input Current Zero Crossing Distortion of Bridgeless Rectifier Operating under Different Power Factors" Energies 11, no. 9: 2447. https://doi.org/10.3390/en11092447