Control of the Bidirectional Buck-Boost Converter Operating in Boundary Conduction Mode to Provide Hold-Up Time Extension
Abstract
:1. Introduction
2. General Description of the Control System
3. Modeling and Control of the BBBC Converter
3.1. Capacitor Charging Mode
3.2. Stand-By Mode
3.3. Recharging Mode of the Capacitor
3.4. Discharging Mode of the Capacitor
3.5. Complete Control Diagram
3.6. Converter Design Parameters
4. Simulation and Experimental Results
4.1. Simulation Results
4.2. Experimental Results
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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General Operation Specifications | Converter Parameters | ||||||
Parameter | Symbol | Value | Units | Parameter | Symbol | Value | Units |
Nominal bus voltage | 28 | V | Bus capacitor | 1.880 | µF | ||
Maximum bus voltage | 36 | V | Auxiliary capacitor | 600 | µF | ||
Minimum bus voltage | 22 | V | Self-discharge capacitor resistance | 1 | kΩ | ||
Regulated bus voltage | 20 | V | Inductor | 25 | µH | ||
Auxiliary capacitor max. voltage | 78 | V | Bus load resistance | 12 | Ω | ||
Auxiliary capacitor nom. voltage | 73 | V | Discharge PI Regulator Parameters | ||||
Parameter | Symbol | Value | |||||
Auxiliary capacitor min. voltage | 12 | V | Proportional gain (Discharge) | 15 | |||
Maximum charge current | 10 | A | Integral gain (Discharge) | 5.000 |
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Lopez-Santos, O.; Urrego-Aponte, J.O.; Tilaguy-Lezama, S.; Almansa-López, J.D. Control of the Bidirectional Buck-Boost Converter Operating in Boundary Conduction Mode to Provide Hold-Up Time Extension. Energies 2018, 11, 2560. https://doi.org/10.3390/en11102560
Lopez-Santos O, Urrego-Aponte JO, Tilaguy-Lezama S, Almansa-López JD. Control of the Bidirectional Buck-Boost Converter Operating in Boundary Conduction Mode to Provide Hold-Up Time Extension. Energies. 2018; 11(10):2560. https://doi.org/10.3390/en11102560
Chicago/Turabian StyleLopez-Santos, Oswaldo, José Omar Urrego-Aponte, Sebastián Tilaguy-Lezama, and José David Almansa-López. 2018. "Control of the Bidirectional Buck-Boost Converter Operating in Boundary Conduction Mode to Provide Hold-Up Time Extension" Energies 11, no. 10: 2560. https://doi.org/10.3390/en11102560