Electro-Thermal Model-Based Design of Bidirectional On-Board Chargers in Hybrid and Full Electric Vehicles
Abstract
:1. Introduction
1.1. Motivations
1.2. State of the Art on OBC Modelling, Simulation and Control
2. On-Board Charger Model and Control
2.1. AC/DC Converter Modelling and Control
2.2. DC/DC Converter Modelling and Control
2.3. Thermal Modelling of Switching Devices
3. Sizing and Selection of Real Devices for Realistic Model-Based Validation
3.1. Totem Pole
3.2. Dual Active Bridge
3.3. Switching Devices
4. Simulation Analysis
4.1. Control of the Totem Pole Converter
4.2. Control of the Dual Active Bridge Converter
4.3. Thermal Behavior
5. Results Discussion
6. Conclusions and Future Work
Author Contributions
Funding
Conflicts of Interest
References
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Parameter | Value |
---|---|
Passive components and assumptions | |
Totem Pole input inductance | 300 H |
Totem pole output capacitor | 500 F |
DAB primary side inductance | 150 H |
DAB output capacitor | 300 F |
Rated Output Power | 7.2 kW |
Totem Pole GaN switching frequency | 300 kHz |
DAB SiC switching frequency | 100 kHz |
AC input source | 110 Vrms and 60 Hz |
230 Vrms and 50 Hz | |
DC output voltage (battery side) | 200–450 V (adjustable) |
Totem Pole DC Bus | 450–800 V (adjustable) |
GaN MOSFET Key Specifications | |
900 V | |
63 m | |
(pulsed-continuous) | 150 − 44 A |
1.05 °C/W | |
SiC MOSFET Key Specifications | |
1200 V | |
56 m | |
240 − 65 A | |
0.4 °C/W |
Functional Specification | Rating |
---|---|
Total output power | 10 kW (500 V/20) |
Operating frequency | 100–200 kHz |
Input voltage of transformer | 800 V ( V), Bipolar Square waveform |
Volt-second product | 8000 Vs – for V, 100 kHz |
Primary-to-secondary ratio | 24:15 |
Primary current maximum | 13.5 –for V |
Secondary current maximum | 20 –for V |
Estimated power losses | 50 W–for V and 100 kHz |
Primary winding DC resistance | 43 m |
Secondary winding DC resistance | 16 m |
Leakage inductance | 34 H |
Magnetizing inductance | 720 H |
Operating Condition | ||||
---|---|---|---|---|
(230 Vrms and 50 Hz; 400 V) | 0.01 s | 0.030 s | 20% | <1% |
(110 Vrms and 60 Hz; 400 V) | 0.04 s | 0.150 s | 5 % | <1% |
(110 Vrms and 60 Hz; 500 V) | 0.07 s | 0.300 s | 13% | <1% |
(230 Vrms and 50 Hz; 500 V) | 0.01 s | 0.015 s | 2.5% | ∼0 |
(110 Vrms and 60 Hz; 600 V) | 0.15 s | 0.800 s | 11.5% | ∼0 |
(230 Vrms and 50 Hz; 600 V) | 0.02 s | 0.100 s | 4.2% | ∼0 |
(110 Vrms and 60 Hz; 700 V) | 0.25 s | 0.350 s | 10% | < 1% |
(230 Vrms and 50 Hz; 700 V) | 0.04 s | 0.250 s | 6.5% | ∼0 |
(110 Vrms and 60 Hz; 800 V) | 0.25 s | 0.350 s | 10% | ∼2% |
(230 Vrms and 50 Hz; 800 V) | 0.04 s | 0.280 s | 6.7% | ∼0 |
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Dini, P.; Saponara, S. Electro-Thermal Model-Based Design of Bidirectional On-Board Chargers in Hybrid and Full Electric Vehicles. Electronics 2022, 11, 112. https://doi.org/10.3390/electronics11010112
Dini P, Saponara S. Electro-Thermal Model-Based Design of Bidirectional On-Board Chargers in Hybrid and Full Electric Vehicles. Electronics. 2022; 11(1):112. https://doi.org/10.3390/electronics11010112
Chicago/Turabian StyleDini, Pierpaolo, and Sergio Saponara. 2022. "Electro-Thermal Model-Based Design of Bidirectional On-Board Chargers in Hybrid and Full Electric Vehicles" Electronics 11, no. 1: 112. https://doi.org/10.3390/electronics11010112