AC Current Ripple Harmonic Pollution in Three-Phase Four-Leg Active Front-End AC/DC Converter for On-Board EV Chargers
Abstract
:1. Introduction
2. Basic Assumptions and Modulation Principle
2.1. Converter Model and Current Ripple Definition
2.2. Carrier-Based Pulse-Width Modulation
3. Analysis of Phase Currents Ripple
3.1. Phase Current Ripple Waveform
3.2. Phase Current Ripple RMS
4. Analysis of Neutral Current Ripple
4.1. Neutral Current Ripple Waveform
4.2. Neutral Current Ripple RMS
5. Experimental Results
6. Discussion
7. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Nomenclature
x | Index for phases a, b, c, and neutral n, used as a subscript |
, | Converter’s instantaneous voltage and current |
, | Low-frequency components of instantaneous voltage and current (averaged over the switching period) |
, | High-frequency (switching frequency) ripple components of instantaneous voltage and current |
Modulating signals | |
γ | Common-mode injection |
mx | Modulation index (normalized by dc-link voltage Vdc) |
ϑx | Phase power angle |
, | Primary peak (pk) and primary peak-to-peak (pp) current ripple wrapping envelopes |
, | Normalized primary peak (pk) and primary peak-to-peak (pp) current ripple wrapping envelopes |
, | Secondary peak (pk) and secondary peak-to-peak (pp) current ripple wrapping envelopes |
, | Normalized secondary peak (pk) and secondary peak-to-peak (pp) current ripple wrapping envelopes |
Total current ripple RMS | |
Normalized total current ripple RMS |
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Parameter | Value |
---|---|
Rated DC voltage, Vdc (V) | 100 |
AC-link inductor parameters: L (mH), R (Ω) | 1.73, 0.727 |
Passive load parameters: Co (μF), Ro (Ω) | 45, 6.6 |
Power factor (@ 50 Hz) | 1 |
Switching frequency, fsw (kHz) | 3.6 |
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Viatkin, A.; Mandrioli, R.; Hammami, M.; Ricco, M.; Grandi, G. AC Current Ripple Harmonic Pollution in Three-Phase Four-Leg Active Front-End AC/DC Converter for On-Board EV Chargers. Electronics 2021, 10, 116. https://doi.org/10.3390/electronics10020116
Viatkin A, Mandrioli R, Hammami M, Ricco M, Grandi G. AC Current Ripple Harmonic Pollution in Three-Phase Four-Leg Active Front-End AC/DC Converter for On-Board EV Chargers. Electronics. 2021; 10(2):116. https://doi.org/10.3390/electronics10020116
Chicago/Turabian StyleViatkin, Aleksandr, Riccardo Mandrioli, Manel Hammami, Mattia Ricco, and Gabriele Grandi. 2021. "AC Current Ripple Harmonic Pollution in Three-Phase Four-Leg Active Front-End AC/DC Converter for On-Board EV Chargers" Electronics 10, no. 2: 116. https://doi.org/10.3390/electronics10020116
APA StyleViatkin, A., Mandrioli, R., Hammami, M., Ricco, M., & Grandi, G. (2021). AC Current Ripple Harmonic Pollution in Three-Phase Four-Leg Active Front-End AC/DC Converter for On-Board EV Chargers. Electronics, 10(2), 116. https://doi.org/10.3390/electronics10020116