Optimization of a transformer used for LLC resonant DC-DC converters for photovoltaic cells

Kato, Hiromitsu; Karasuyama, Shotaro; Ishizuka, Yoichi; Ogasawara, Kimi; Ueda, Kohei

doi:10.1109/intlec.2015.7572326

Cited by 2 publications

(1 citation statement)

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“…The major part of the actual research devoted to transformers is carried to improve some aspects of the design such as the efficiency and bandwidth or to optimize some parameters such as volume and weight (Phaengkieo and Ruangsinchaiwanich, 2016; Guo et al , 2017; Kato et al , 2015). These operations cannot be done without understanding the physics of the transformer and the theory governing its behaviour.…”

Section: Introductionmentioning

confidence: 99%

High-frequency displacement current transformer with just one winding

Achour

Starzyński

2019

COMPEL

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Purpose This paper aims to describe a new concept of transformer based on the displacement current. The paper shows how this idea can be translated into reality and presents an example of a working design. Design/methodology/approach The authors replace the primary winding of the transformer with a capacitor. The displacement current between the capacitor plates induces a magnetic flux in the core. This flux in turn induces electromotive force in the classical secondary winding. Findings The basic mathematical aspects illustrated by results obtained from a simulation developed using a commercial software ANSYS-HFSS are given. The saturation of the magnetic core due to the applied high-frequency range is investigated and simulated using a finite difference time domain code implemented in MATLAB. A prototype transformer was built and tested; the obtained results confirm the previous ones from simulations. Originality/value A new concept of the single winding transformer was used as a pulse forming circuit.

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Section: Introductionmentioning

confidence: 99%