Power control of grid-connected high-gain boost full-bridge modular multilevel converter

Ahmed A. Elserougi; Ahmed M. Massoud; Shehab Ahmed

doi:10.1109/SPEC.2017.8333655

Power control of grid-connected high-gain boost full-bridge modular multilevel converter

Ahmed A. Elserougi, Ahmed M. Massoud, Shehab Ahmed

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

3 Scopus citations

Abstract

Conventional Modular Multilevel Converter (MMC) with half-bridge submodules (HB-SMs) can be used for gird-integration of renewable energy sources, but with limited voltage gain. To elevate the generated ac output voltage level, a bulky low-frequency step-up transformer can be employed at the converter ac side. Alternatively, single-stage dc-ac Boost FullBridge MMC (BFB-MMC) can be used effectively. In this paper, the performance of high-gain grid-connected BFB-MMC is investigated under active and reactive power control. The BFB-MMC can generate an ac output voltage with magnitude of kV_dc where k is a positive integer number, and V_dc is the input dc voltage level. Each arm in the BFB-MMC contains (2k+1) Full-bridge submodules (FB-SMs) each rated at 0.5 V_dc. Each arm is controlled to generate bipolar sinusoidal stepped voltage ranged from (0.5+k) V_dc to (0.5-k)V_dc with steps of 0.5 V_dc while keeping the sum of upper and lower arm voltages in the same leg equals the input dc voltage. A Detailed illustration for BFB-MMC operational concept, capacitor voltage balancing technique, and active and reactive power controller is presented. Finally, simulation model for the grid-connected BFB-MMC has been built. The simulation results show the effectiveness of BFB-MMC in the grid-connected applications.

Original language	English (US)
Title of host publication	Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-5
Number of pages	5
ISBN (Electronic)	9781509064250
DOIs	https://doi.org/10.1109/SPEC.2017.8333655
State	Published - Jul 2 2017
Externally published	Yes
Event	2017 IEEE Southern Power Electronics Conference, SPEC 2017 - Puerto Varas, Chile Duration: Dec 4 2017 → Dec 7 2017

Publication series

Name	Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017
Volume	2018-January

Conference

Conference	2017 IEEE Southern Power Electronics Conference, SPEC 2017
Country/Territory	Chile
City	Puerto Varas
Period	12/4/17 → 12/7/17

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

ASJC Scopus subject areas

Electrical and Electronic Engineering
Energy Engineering and Power Technology

UN SDGs

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

Access to Document

10.1109/SPEC.2017.8333655

Cite this

Elserougi, A. A., Massoud, A. M., & Ahmed, S. (2017). Power control of grid-connected high-gain boost full-bridge modular multilevel converter. In Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017 (pp. 1-5). (Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017; Vol. 2018-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/SPEC.2017.8333655

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title = "Power control of grid-connected high-gain boost full-bridge modular multilevel converter",

abstract = "Conventional Modular Multilevel Converter (MMC) with half-bridge submodules (HB-SMs) can be used for gird-integration of renewable energy sources, but with limited voltage gain. To elevate the generated ac output voltage level, a bulky low-frequency step-up transformer can be employed at the converter ac side. Alternatively, single-stage dc-ac Boost FullBridge MMC (BFB-MMC) can be used effectively. In this paper, the performance of high-gain grid-connected BFB-MMC is investigated under active and reactive power control. The BFB-MMC can generate an ac output voltage with magnitude of kVdc where k is a positive integer number, and Vdc is the input dc voltage level. Each arm in the BFB-MMC contains (2k+1) Full-bridge submodules (FB-SMs) each rated at 0.5 Vdc. Each arm is controlled to generate bipolar sinusoidal stepped voltage ranged from (0.5+k) Vdc to (0.5-k)Vdc with steps of 0.5 Vdc while keeping the sum of upper and lower arm voltages in the same leg equals the input dc voltage. A Detailed illustration for BFB-MMC operational concept, capacitor voltage balancing technique, and active and reactive power controller is presented. Finally, simulation model for the grid-connected BFB-MMC has been built. The simulation results show the effectiveness of BFB-MMC in the grid-connected applications.",

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Elserougi, AA, Massoud, AM & Ahmed, S 2017, Power control of grid-connected high-gain boost full-bridge modular multilevel converter. in Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017. Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017, vol. 2018-January, Institute of Electrical and Electronics Engineers Inc., pp. 1-5, 2017 IEEE Southern Power Electronics Conference, SPEC 2017, Puerto Varas, Chile, 12/4/17. https://doi.org/10.1109/SPEC.2017.8333655

Power control of grid-connected high-gain boost full-bridge modular multilevel converter. / Elserougi, Ahmed A.; Massoud, Ahmed M.; Ahmed, Shehab.
Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1-5 (Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017; Vol. 2018-January).

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

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N2 - Conventional Modular Multilevel Converter (MMC) with half-bridge submodules (HB-SMs) can be used for gird-integration of renewable energy sources, but with limited voltage gain. To elevate the generated ac output voltage level, a bulky low-frequency step-up transformer can be employed at the converter ac side. Alternatively, single-stage dc-ac Boost FullBridge MMC (BFB-MMC) can be used effectively. In this paper, the performance of high-gain grid-connected BFB-MMC is investigated under active and reactive power control. The BFB-MMC can generate an ac output voltage with magnitude of kVdc where k is a positive integer number, and Vdc is the input dc voltage level. Each arm in the BFB-MMC contains (2k+1) Full-bridge submodules (FB-SMs) each rated at 0.5 Vdc. Each arm is controlled to generate bipolar sinusoidal stepped voltage ranged from (0.5+k) Vdc to (0.5-k)Vdc with steps of 0.5 Vdc while keeping the sum of upper and lower arm voltages in the same leg equals the input dc voltage. A Detailed illustration for BFB-MMC operational concept, capacitor voltage balancing technique, and active and reactive power controller is presented. Finally, simulation model for the grid-connected BFB-MMC has been built. The simulation results show the effectiveness of BFB-MMC in the grid-connected applications.

AB - Conventional Modular Multilevel Converter (MMC) with half-bridge submodules (HB-SMs) can be used for gird-integration of renewable energy sources, but with limited voltage gain. To elevate the generated ac output voltage level, a bulky low-frequency step-up transformer can be employed at the converter ac side. Alternatively, single-stage dc-ac Boost FullBridge MMC (BFB-MMC) can be used effectively. In this paper, the performance of high-gain grid-connected BFB-MMC is investigated under active and reactive power control. The BFB-MMC can generate an ac output voltage with magnitude of kVdc where k is a positive integer number, and Vdc is the input dc voltage level. Each arm in the BFB-MMC contains (2k+1) Full-bridge submodules (FB-SMs) each rated at 0.5 Vdc. Each arm is controlled to generate bipolar sinusoidal stepped voltage ranged from (0.5+k) Vdc to (0.5-k)Vdc with steps of 0.5 Vdc while keeping the sum of upper and lower arm voltages in the same leg equals the input dc voltage. A Detailed illustration for BFB-MMC operational concept, capacitor voltage balancing technique, and active and reactive power controller is presented. Finally, simulation model for the grid-connected BFB-MMC has been built. The simulation results show the effectiveness of BFB-MMC in the grid-connected applications.

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M3 - Conference contribution

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Elserougi AA, Massoud AM, Ahmed S. Power control of grid-connected high-gain boost full-bridge modular multilevel converter. In Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017. Institute of Electrical and Electronics Engineers Inc. 2017. p. 1-5. (Proceedings - 2017 IEEE Southern Power Electronics Conference, SPEC 2017). doi: 10.1109/SPEC.2017.8333655

Power control of grid-connected high-gain boost full-bridge modular multilevel converter

Abstract

Publication series

Conference

Bibliographical note

ASJC Scopus subject areas

UN SDGs

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