Small Signal Analysis of a Buck-Boost Four Port Converter BB-FPC
- Resource Type
- Conference
- Authors
- Crespo, Martin; Sanchez, Alberto
- Source
- 2023 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Power, Electronics and Computing (ROPEC), 2023 IEEE International Autumn Meeting on. 7:1-6 Oct, 2023
- Subject
- Bioengineering
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Computing and Processing
Fields, Waves and Electromagnetics
Power, Energy and Industry Applications
Robotics and Control Systems
Signal Processing and Analysis
Analytical models
Time-frequency analysis
Computational modeling
Time factors
Integrated circuit modeling
Voltage control
Load modeling
Multiport converter
renewable energy system
DC-DC converter
small-signal analysis
phase-shifted pwm control
- Language
- ISSN
- 2573-0770
This work presents the development of a small-signal model for a buck-boost four port DC-DC converter (BB-FPC). A BB-FPC is composed by two Buck-Boost converters connected in parallel and a Phase-Shifted PWM Converter serving a load through a transformer and a rectifier and has three control inputs: two duty cycles and a phase shift. The small-signal model presented in this manuscript describes the interaction between the three controllable inputs and the voltage and currents in each port, and is developed by means of circuit analysis neglecting the AC interface under some design assumptions. Simulation results show that the small-signal model adequately resembles the behavior of the converter in time and frequency.