Control of a Fuel Cell Based Z-Source Converter

This paper presents system modeling, modified space vector PWM implementation (MSVPWM), and control system design of a Z-source converter. For an electrical analysis of the fuel cell powered systems, the fuel cell system is modeled by an R-C circuit including its voltage-current polarization charact...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 2007-06, Vol.22 (2), p.467-476
Main Authors: Jin-Woo Jung, Keyhani, A.
Format: Article
Language:English
Subjects:
Asymptotic properties
Circuits
Control system synthesis
Control systems design
Converters
Digital control
distributed generation systems
dynamic model
Fuel cells
Mathematical analysis
Polarization
Polarization characteristics
Power system modeling
Pulse duration modulation
Pulse width modulation converters
Space vector pulse width modulation
space vector PWM
State-space methods
System analysis and design
Vectors (mathematics)
Voltage
Z-source converter
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Summary:This paper presents system modeling, modified space vector PWM implementation (MSVPWM), and control system design of a Z-source converter. For an electrical analysis of the fuel cell powered systems, the fuel cell system is modeled by an R-C circuit including its voltage-current polarization characteristics. A discrete-time state space equation is given to implement digital control and a space vector pulse-width modulation technique is modified to realize the shoot-through zero vectors that boost the dc-link voltage. Three discrete-time controllers and an asymptotic observer are designed.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2006.874232