DC/DC Step-up converters topologies

For more info about our services contact : help@bestpfe.com

Table of contents

General Introduction
1 Power Electronics Systems for Embedded Applications
1.1 Introduction
1.2 Embedded application in the transportation sector
1.2.1 More Electric Aircraft (MEA)
1.2.2 EV/HEV
1.3 New opportunities: Wide Band-Gaps Devices
1.3.1 SiC and Si technology comparison
1.3.2 Unipolar and bipolar technology: MOSFET and IGBT
1.3.3 Electro-magnetic Interferences (EMI) Issues
1.4 Conclusion
2 DC/DC Power Conversion in an Embedded Powertrain Application
2.1 Introduction
2.2 DC/DC power converters for Starter applications in a MEA
2.2.1 DC/DC Step-up converters topologies
2.2.2 DC/DC Step-up/down converters topologies
2.3 Proposed QZS step up/down DC/DC converter topology and its modelling
2.3.1 Operating principles
2.3.2 Input ripple suppression
2.3.3 QZSBC experimental validation
2.3.4 Comparison
2.4 Conclusions
3 DC/DC Power Converter Design
3.1 Introduction
3.2 DC-DC Boost Converter Design
3.3 Active components
3.3.1 MOSFET conduction behaviour
3.3.2 MOSFET switching behaviour
3.3.3 Freewheeling Diode
3.3.4 Thermal analysis
3.4 Passive Components
3.4.1 Magnetic component design
3.4.2 Output Capacitor
3.4.3 EMI Filter
3.5 Conclusions
4 Dynamical Analysis and Control Strategy of a DC-DC converter
4.1 Introduction
4.2 Dynamical model of a DC/DC switched converter
4.3 Boost dynamical behaviour
4.3.1 Frequency domain stability analysis
4.3.2 Boost dynamical analysis
4.4 Control strategy for power disturbance rejection
4.4.1 Inner Loop: Peak Current Mode Control
4.4.2 Energy loop
4.5 Capacitor design for load transient rejection
4.5.1 Evaluation of the minimal value of 𝐶𝑜 in step-up load transient conditions
4.5.2 Evaluation of the minimal value of 𝐶𝑜 in step-down load transient conditions
4.5.3 Evaluation of the minimal value of 𝐶𝑜 for a smooth load transient condition
4.6 Stability issues related to the insertion of the differential input filter
4.6.1 Stability of cascaded sub-systems
4.6.2 Interaction between LC input filter and Boost converter: small-signals domain analysis
4.6.3 Interaction between LC input filter and Boost converter: discrete time domain analysis
4.7 Conclusions
5 Multi-Objective Optimization of a DC/DC Boost Converter
5.1 Introduction: Optimization Problem
5.1.1 Figure of Merits
5.1.2 Optimization problem: Design Variables Space and Performance Space
5.1.3 Genetic Algorithms: NSGA II
5.2 Multi-objective optimization of a DC/DC converter
5.2.1 Design Space and parameters
5.2.2 Objective functions
5.2.3 Constraints Functions
5.2.4 Optimization results
5.3 Experimental results
5.4 Conclusions
General Conclusions
References