Modified back-to-back current source converter and its application to wind energy conversion systems

Ibrahim Abdelsalam; Grain Philip Adam; Derrick Holliday; Barry W. Williams

doi:10.1049/iet-pel.2014.0190

Modified back-to-back current source converter and its application to wind energy conversion systems

Ibrahim Abdelsalam, Grain Philip Adam, Derrick Holliday, Barry W. Williams

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

101 Downloads (Pure)

Abstract

The back-to-back (BTB) converter is used in power conversion applications such as machine drives, wind energy conversion systems (WECS), uninterruptible power supplies and high-voltage, direct current transmission systems. Various topologies have evolved around voltage source converters and current source converters (CSCs) in an attempt to meet various design and reliability constraints. This paper proposes a new CSC-based BTB converter suitable for WECS application. The proposed configuration addresses the main drawbacks of the conventional BTB CSCs, such as the over-voltage frequently experienced by switches during commutation. The inverter side converter has zero switching losses. The proposed WECS offers the following advantages: simple and easy control, reduced switching frequency and maximum power point tracking with controllable grid active and reactive power. A low-voltage ride-through (LVRT) solution is also provided in the proposed WECS. PSCAD/EMTDC simulation is used to assess the steady-state and dynamic behaviours of the proposed system under different operating conditions and during LVRT. Experimental results allow steady-state and dynamic behaviour assessment of the proposed system under different operating conditions.

Original language	English
Pages (from-to)	103-111
Number of pages	9
Journal	IET Power Electronics
Volume	8
Issue number	1
Early online date	24 Nov 2014
DOIs	https://doi.org/10.1049/iet-pel.2014.0190
Publication status	Published - 1 Jan 2015

Keywords

relays and switches
wind power plants
power and energy control
power system control
control of electric power systems

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10.1049/iet-pel.2014.0190

Abdelsalam-etal-IET-PE-2015-modified-back-to-back-current-source-converterAccepted author manuscript, 1.69 MB

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title = "Modified back-to-back current source converter and its application to wind energy conversion systems",

abstract = "The back-to-back (BTB) converter is used in power conversion applications such as machine drives, wind energy conversion systems (WECS), uninterruptible power supplies and high-voltage, direct current transmission systems. Various topologies have evolved around voltage source converters and current source converters (CSCs) in an attempt to meet various design and reliability constraints. This paper proposes a new CSC-based BTB converter suitable for WECS application. The proposed configuration addresses the main drawbacks of the conventional BTB CSCs, such as the over-voltage frequently experienced by switches during commutation. The inverter side converter has zero switching losses. The proposed WECS offers the following advantages: simple and easy control, reduced switching frequency and maximum power point tracking with controllable grid active and reactive power. A low-voltage ride-through (LVRT) solution is also provided in the proposed WECS. PSCAD/EMTDC simulation is used to assess the steady-state and dynamic behaviours of the proposed system under different operating conditions and during LVRT. Experimental results allow steady-state and dynamic behaviour assessment of the proposed system under different operating conditions.",

keywords = "relays and switches, wind power plants, power and energy control, power system control, control of electric power systems",

author = "Ibrahim Abdelsalam and Adam, {Grain Philip} and Derrick Holliday and Williams, {Barry W.}",

note = "This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.",

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AU - Abdelsalam, Ibrahim

AU - Adam, Grain Philip

AU - Holliday, Derrick

AU - Williams, Barry W.

N1 - This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The back-to-back (BTB) converter is used in power conversion applications such as machine drives, wind energy conversion systems (WECS), uninterruptible power supplies and high-voltage, direct current transmission systems. Various topologies have evolved around voltage source converters and current source converters (CSCs) in an attempt to meet various design and reliability constraints. This paper proposes a new CSC-based BTB converter suitable for WECS application. The proposed configuration addresses the main drawbacks of the conventional BTB CSCs, such as the over-voltage frequently experienced by switches during commutation. The inverter side converter has zero switching losses. The proposed WECS offers the following advantages: simple and easy control, reduced switching frequency and maximum power point tracking with controllable grid active and reactive power. A low-voltage ride-through (LVRT) solution is also provided in the proposed WECS. PSCAD/EMTDC simulation is used to assess the steady-state and dynamic behaviours of the proposed system under different operating conditions and during LVRT. Experimental results allow steady-state and dynamic behaviour assessment of the proposed system under different operating conditions.

AB - The back-to-back (BTB) converter is used in power conversion applications such as machine drives, wind energy conversion systems (WECS), uninterruptible power supplies and high-voltage, direct current transmission systems. Various topologies have evolved around voltage source converters and current source converters (CSCs) in an attempt to meet various design and reliability constraints. This paper proposes a new CSC-based BTB converter suitable for WECS application. The proposed configuration addresses the main drawbacks of the conventional BTB CSCs, such as the over-voltage frequently experienced by switches during commutation. The inverter side converter has zero switching losses. The proposed WECS offers the following advantages: simple and easy control, reduced switching frequency and maximum power point tracking with controllable grid active and reactive power. A low-voltage ride-through (LVRT) solution is also provided in the proposed WECS. PSCAD/EMTDC simulation is used to assess the steady-state and dynamic behaviours of the proposed system under different operating conditions and during LVRT. Experimental results allow steady-state and dynamic behaviour assessment of the proposed system under different operating conditions.

KW - relays and switches

KW - wind power plants

KW - power and energy control

KW - power system control

KW - control of electric power systems

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DO - 10.1049/iet-pel.2014.0190

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EP - 111

JO - IET Power Electronics

JF - IET Power Electronics

IS - 1

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Modified back-to-back current source converter and its application to wind energy conversion systems

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Keywords

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