Design of an LCL-Filter for Three-Parallel Operation of Power Converters in Wind Turbines

Hae-Gwang Jeong; Dong-Keun Yoon; Kyo-Beum Lee

Design of an LCL-Filter for Three-Parallel Operation of Power Converters in Wind Turbines

Hae-Gwang Jeong

Dong-Keun Yoon

Kyo-Beum Lee

Vol. 13, No. 3, pp. 437-446, May 2013

10.6113/JPE.2013.13.3.437

LCL-filter

Power factor compensation

Three-parallel operation

wind turbine

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Abstract

This paper proposes a design scheme for an LCL-filter used for the three-parallel operation of the power converters in high-capacity wind turbines. The designs of the power devices and grid connected filter are difficult due to the high level voltages and currents in huge-capacity wind turbines. To solve these problem, this paper presents three-parallel operation and LCL-filter design techniques optimized by parallel operation. Furthermore, the design of an inverter side inductance of the LCL-filter is discussed in detail considering the switching modulation method. Simulation and experimental results demonstrate the validity of the designed filter and wind turbines.

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Cite this article

[IEEE Style]

H. Jeong, D. Yoon, K. Lee, "Design of an LCL-Filter for Three-Parallel Operation of Power Converters in Wind Turbines," Journal of Power Electronics, vol. 13, no. 3, pp. 437-446, 2013. DOI: 10.6113/JPE.2013.13.3.437.

[ACM Style]

Hae-Gwang Jeong, Dong-Keun Yoon, and Kyo-Beum Lee. 2013. Design of an LCL-Filter for Three-Parallel Operation of Power Converters in Wind Turbines. Journal of Power Electronics, 13, 3, (2013), 437-446. DOI: 10.6113/JPE.2013.13.3.437.