Three-region frequency control scheme for series resonant converter based X-ray power supply

Anjana, KG and Babu, K and Kundu, U and John, V and Subhash Joshi, TG (2023) Three-region frequency control scheme for series resonant converter based X-ray power supply. In: UNSPECIFIED.

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Abstract

The output voltage profile of a high-voltage power supply for a medical X-ray generator needs to possess a quick rise time with negligible overshoot and minimum high-frequency ripple. With soft switching, it is challenging to meet this requirement in high-voltage DC power supplies under varying load settings and output voltages. In this work, a three-region frequency control scheme is proposed for a series resonant converter with multi-stage voltage multiplier based high-voltage power supplies. A step-changed frequency control, based on the output voltage profile with zero voltage switching is described. A 32.5 kW, 75 kV high-voltage power supply composed of a series resonant converter, a high-voltage transformer, and two sets of 4-stage voltage multiplier is designed and simulated with PSIM software. The effectiveness of the proposed three-region frequency control scheme is validated with steady-state and transient response simulation results. © 2023 IEEE.

Item Type:	Conference Paper
Publication:	2023 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy: Power Electronics, Smart Grid, and Renewable Energy for Sustainable Development, PESGRE 2023
Publisher:	Institute of Electrical and Electronics Engineers Inc.
Additional Information:	The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	22 May 2024 11:40
Last Modified:	22 May 2024 11:40
URI:	https://eprints.iisc.ac.in/id/eprint/84528

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