High-Voltage two stage smps using constant power buck converter

ISSN: 22783075
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Abstract

Recently, empirical studies on power transfer using high-voltage DC, as in HVDC, Smart Grid, and direct current transmission and distribution, have been carried out lively. In the high-voltage DC transmission system, it is essential to adopt SMPS for power converter control using high-voltage DC input. Demand for high-voltage SMPS, however, has been low so far, and thus its development is inadequate. Particularly, in case of light load in low output SMPS using high-voltage input, it is difficult to achieve high efficiency due to transient switching losses. It is difficult to achieve high efficiency due to the switching transient loss especially at the light load in the low output SMPS using the high voltage input. It is difficult to achieve high efficiency due to the switching transient loss especially at the light load in the low output SMPS using the high voltage input. In this paper, we propose a new switching scheme for switching low power SMPS control from the point of view of current control. The proposed technique can have the excellent effect of efficiency increases under the condition of light load, compared with the existing PWM method. In addition, 40[W] SMPS for HVDC MMC was designed to test the validity of the proposed technique, and the validity was verified through simulation.

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APA

Park, S. J., & Park, S. M. (2019). High-Voltage two stage smps using constant power buck converter. International Journal of Innovative Technology and Exploring Engineering, 8(8), 389–392.

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