High-resolution phase shift and digital implementation of a fuel cell powered UPS system

H. Tao; J.L. Duarte; M.A.M. Hendrix

doi:10.1109/EPE.2007.4417281

High-resolution phase shift and digital implementation of a fuel cell powered UPS system

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

This paper presents the digital implementation of a single-phase fuel cell powered uninterruptible power supply (UPS) and distributed generation (DG) system. The power conditioning unit of the system consists of a voltage source inverter and a three-port bidirectional DC-DC converter interfacing the fuel cell and inverter with a supercapacitor. It is shown that the control of the whole system including both the DC-DC and DC-AC stages can be carried out by a single digital signal processor (DSP). In particular, in order to eliminate limit cycle oscillations in digitally controlled DC-DC converters, the generation of high-resolution phase shifts is explained in detail. The system is suitable for residential applications and can improve the power quality for the local user. Practical design issues such as the state-of-charge (SOC) management of the supercapacitor and prototype design details are discussed. Experimental results from a 3.5 kW prototype are presented to verify the effectiveness of the digitally implemented control scheme.

Original language	English
Title of host publication	Proceedings of the 12th European Conference on Power Electronics and Applications (EPE 2007) 2-5 September 2007, Aalborg, Denmark
Place of Publication	Piscataway, New Jersey, USA
Publisher	Institute of Electrical and Electronics Engineers
Pages	1-10
ISBN (Print)	978-92-75815-10-8
DOIs	https://doi.org/10.1109/EPE.2007.4417281
Publication status	Published - 2007
Event	conference; EPE 2007, Aalborg, Denmark; 2007-09-02; 2007-09-05 - Duration: 2 Sept 2007 → 5 Sept 2007

Conference

Conference	conference; EPE 2007, Aalborg, Denmark; 2007-09-02; 2007-09-05
Period	2/09/07 → 5/09/07
Other	EPE 2007, Aalborg, Denmark

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10.1109/EPE.2007.4417281

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Tao, H., Duarte, J. L., & Hendrix, M. A. M. (2007). High-resolution phase shift and digital implementation of a fuel cell powered UPS system. In Proceedings of the 12th European Conference on Power Electronics and Applications (EPE 2007) 2-5 September 2007, Aalborg, Denmark (pp. 1-10). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/EPE.2007.4417281

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abstract = "This paper presents the digital implementation of a single-phase fuel cell powered uninterruptible power supply (UPS) and distributed generation (DG) system. The power conditioning unit of the system consists of a voltage source inverter and a three-port bidirectional DC-DC converter interfacing the fuel cell and inverter with a supercapacitor. It is shown that the control of the whole system including both the DC-DC and DC-AC stages can be carried out by a single digital signal processor (DSP). In particular, in order to eliminate limit cycle oscillations in digitally controlled DC-DC converters, the generation of high-resolution phase shifts is explained in detail. The system is suitable for residential applications and can improve the power quality for the local user. Practical design issues such as the state-of-charge (SOC) management of the supercapacitor and prototype design details are discussed. Experimental results from a 3.5 kW prototype are presented to verify the effectiveness of the digitally implemented control scheme.",

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Tao, H, Duarte, JL & Hendrix, MAM 2007, High-resolution phase shift and digital implementation of a fuel cell powered UPS system. in Proceedings of the 12th European Conference on Power Electronics and Applications (EPE 2007) 2-5 September 2007, Aalborg, Denmark. Institute of Electrical and Electronics Engineers, Piscataway, New Jersey, USA, pp. 1-10, conference; EPE 2007, Aalborg, Denmark; 2007-09-02; 2007-09-05, 2/09/07. https://doi.org/10.1109/EPE.2007.4417281

High-resolution phase shift and digital implementation of a fuel cell powered UPS system. / Tao, H.; Duarte, J.L.; Hendrix, M.A.M.
Proceedings of the 12th European Conference on Power Electronics and Applications (EPE 2007) 2-5 September 2007, Aalborg, Denmark. Piscataway, New Jersey, USA: Institute of Electrical and Electronics Engineers, 2007. p. 1-10.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AB - This paper presents the digital implementation of a single-phase fuel cell powered uninterruptible power supply (UPS) and distributed generation (DG) system. The power conditioning unit of the system consists of a voltage source inverter and a three-port bidirectional DC-DC converter interfacing the fuel cell and inverter with a supercapacitor. It is shown that the control of the whole system including both the DC-DC and DC-AC stages can be carried out by a single digital signal processor (DSP). In particular, in order to eliminate limit cycle oscillations in digitally controlled DC-DC converters, the generation of high-resolution phase shifts is explained in detail. The system is suitable for residential applications and can improve the power quality for the local user. Practical design issues such as the state-of-charge (SOC) management of the supercapacitor and prototype design details are discussed. Experimental results from a 3.5 kW prototype are presented to verify the effectiveness of the digitally implemented control scheme.

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Tao H, Duarte JL , Hendrix MAM. High-resolution phase shift and digital implementation of a fuel cell powered UPS system. In Proceedings of the 12th European Conference on Power Electronics and Applications (EPE 2007) 2-5 September 2007, Aalborg, Denmark. Piscataway, New Jersey, USA: Institute of Electrical and Electronics Engineers. 2007. p. 1-10 doi: 10.1109/EPE.2007.4417281

High-resolution phase shift and digital implementation of a fuel cell powered UPS system

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