The novel high efficiency grid-tied multi string PV PCS using H-bridge multi-level topology

Jongpil Lee; Byungduk Min; Jonghyun Kim; Taejin Kim; Dongwook Yoo; Jiyoon Yoo

doi:10.1109/IECON.2011.6119551

The novel high efficiency grid-tied multi string PV PCS using H-bridge multi-level topology

Jongpil Lee, Byungduk Min, Jonghyun Kim, Taejin Kim, Dongwook Yoo, Jiyoon Yoo

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

In this paper, a novel topology is proposed that can significantly increase the efficiency of photovoltaic (PV) system. The multi-level topology consists of several H-bridge cells connected in series, each one connected to a string of PV modules. The proposed topology offers advantages such as the operation at lower switching frequency or lower current ripple compared to conventional two level topologies. The control algorithm permits the independent control of each dc link voltage, enabling, in this way, the tracking of the maximum power point for each string of PV modules. The proposed topology is implemented for 240kW power conditioning system. The experimental results show that the proposed topology has good performance.

Original language	English
Title of host publication	Proceedings
Subtitle of host publication	IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society
Pages	1631-1635
Number of pages	5
DOIs	https://doi.org/10.1109/IECON.2011.6119551
Publication status	Published - 2011
Event	37th Annual Conference of the IEEE Industrial Electronics Society, IECON 2011 - Melbourne, VIC, Australia Duration: 2011 Nov 7 → 2011 Nov 10

Publication series

Name	IECON Proceedings (Industrial Electronics Conference)

Other

Other	37th Annual Conference of the IEEE Industrial Electronics Society, IECON 2011
Country/Territory	Australia
City	Melbourne, VIC
Period	11/11/7 → 11/11/10

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/IECON.2011.6119551

Cite this

Lee, J., Min, B., Kim, J., Kim, T., Yoo, D., & Yoo, J. (2011). The novel high efficiency grid-tied multi string PV PCS using H-bridge multi-level topology. In Proceedings: IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society (pp. 1631-1635). Article 6119551 (IECON Proceedings (Industrial Electronics Conference)). https://doi.org/10.1109/IECON.2011.6119551

The novel high efficiency grid-tied multi string PV PCS using H-bridge multi-level topology. / Lee, Jongpil; Min, Byungduk; Kim, Jonghyun et al.
Proceedings: IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society. 2011. p. 1631-1635 6119551 (IECON Proceedings (Industrial Electronics Conference)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, J, Min, B, Kim, J, Kim, T, Yoo, D & Yoo, J 2011, The novel high efficiency grid-tied multi string PV PCS using H-bridge multi-level topology. in Proceedings: IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society., 6119551, IECON Proceedings (Industrial Electronics Conference), pp. 1631-1635, 37th Annual Conference of the IEEE Industrial Electronics Society, IECON 2011, Melbourne, VIC, Australia, 11/11/7. https://doi.org/10.1109/IECON.2011.6119551

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AB - In this paper, a novel topology is proposed that can significantly increase the efficiency of photovoltaic (PV) system. The multi-level topology consists of several H-bridge cells connected in series, each one connected to a string of PV modules. The proposed topology offers advantages such as the operation at lower switching frequency or lower current ripple compared to conventional two level topologies. The control algorithm permits the independent control of each dc link voltage, enabling, in this way, the tracking of the maximum power point for each string of PV modules. The proposed topology is implemented for 240kW power conditioning system. The experimental results show that the proposed topology has good performance.

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The novel high efficiency grid-tied multi string PV PCS using H-bridge multi-level topology

Abstract

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ASJC Scopus subject areas

UN SDGs

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