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A nonlinear control algorithm of Li-ion battery substation for DC distributed system

Abstract : This paper presents a control algorithm for dc-bus stabilization in weak network that uses a Li-ion battery as the battery substation. The battery modules connected with 2-quadrant 4-phase parallel converter with interleaved technique. In this paper, a nonlinear control algorithm based on the flatness properties of the system is proposed. Using the flatness property, we propose simple solutions to dc distributed system and stabilization problems. A hardware system is implemented in laboratory. The prototype small-scale power plant is composed of a dc main source (80 V, 500 W), and a Li-ion battery module (11.6 Ah, 24 V). Experimental results substantiate the excellent control scheme during load cycles.
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https://hal.univ-lorraine.fr/hal-01386433
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Submitted on : Monday, October 24, 2016 - 10:49:02 AM
Last modification on : Monday, June 14, 2021 - 3:46:03 PM

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Suwat Sikkabut, P. Mungporn, N. Poonnoi, Matheepot Phattanasak, Phatiphat Thounthong, et al.. A nonlinear control algorithm of Li-ion battery substation for DC distributed system. SPEEDAM 2014, International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Jun 2014, Ischia, Italy. pp.1065-1070, ⟨10.1109/SPEEDAM.2014.6872016⟩. ⟨hal-01386433⟩

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