Data center power supply systems: from grid edge to point-of-load

Y Chen, K Shi, M Chen, D Xu - IEEE Journal of Emerging and …, 2022 - ieeexplore.ieee.org
Data centers consume about 2% of the world's electricity with continuing growth. The power
supply system plays a significant role in the energy saving and decarbonization of data …

A High Efficiency Δ-Lr-Y Type Three-Phase Interleaved LLC Converter With Less Transformer Loss

J Guan, Z Wu, T Liu, J Wen, W Xu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Y-type three-phase interleaved LLC has advantages in high-power applications with small
output current ripple. However, the traditional Y-type three-phase interleaved LLC has large …

Analysis of a Solid-State Transformer Employing Capacitively Isolated Series-Stacked Converter Cells and a Single Medium-Frequency Transformer

D Neuner, M Hartmann, JW Kolar… - 2023 IEEE 24th …, 2023 - ieeexplore.ieee.org
Solid-state transformers (SST) provide voltage scaling and galvanic isolation between
medium-voltage (MV) and low-voltage (LV) dc busses. Most SST topologies arrange several …

An interleaved high step‐down coupled inductor based quadratic DC‐DC converter

R Pashaie, M Sabahi, E Babaei - IET Power Electronics, 2023 - Wiley Online Library
A high step‐down direct current‐direct current (DC‐DC) buck converter with a coupled‐
inductor in its topology is presented in this study. The switching pattern of the proposed …

400v-to-48v transformer-isolated stacked active bridge converter with integrated magnetics

B Majmunović, Y Gao, IK Vedula… - 2023 IEEE Applied …, 2023 - ieeexplore.ieee.org
This paper presents a transformer-isolated high step-down dc-dc converter based on a
stacked active bridge (SAB) configuration. The isolated SAB (iSAB) converter consists of …

Efficiency Evaluation of a Modular Step-Down 48-to-1V Converter with Shared Load Current

R Stala, Z Waradzyn, S Stepenko… - 2024 IEEE 18th …, 2024 - ieeexplore.ieee.org
This paper presents the results of the efficiency analysis of a modular DC-DC converter with
an input voltage of 48 V and an output voltage of 1 V. This is a single stage Voltage …

Simulation Evaluation of a Closed-Loop Control System for a Transformerless Modular DC-DC Converter

R Stala, Z Waradzyn, S Stepenko… - International scientific …, 2023 - Springer
This paper presents the concept of closed-loop control for a modular high-step-down DC-DC
converter. The analyzed converter uses four modules powered by an input capacitor divider …

Soft Switched Current Fed Dual Active Bridge Isolated Bidirectional Series Resonant DC-DC Converter for Energy Storage Applications

K Bathala, D Kishan, N Harischandrappa - Energies, 2022 - mdpi.com
This paper proposes a high-frequency isolated current-fed dual active bridge bidirectional
DC–DC series resonant converter with an inductive filter for energy storage applications …

Reverse power transmission of two-transformer active clamp forward flyback converter

H Sung, JW Shin, W Kim - Journal of Power Electronics, 2024 - Springer
A two-transformer active clamp forward flyback (ACFF) converter without output inductors is
suitable for high output current applications such as low-voltage DC-DC converters (LDCs) …

Resonant step-down DC-DC converter based on GaN power integrated circuits and SiC diodes

R Stala, S Folmer, A Mondzik - Bulletin of the Polish Academy of …, 2024 - yadda.icm.edu.pl
In the paper results of the operation and efficiency of a DC-DC resonant converter with a
switched capacitor topology, equipped with GaN transistors and SiC diodes are presented …