Improvement of the power conversion efficiency of a personal computer

Huang, Te; Bai, Ying-Wen; Kuan, Hung-Ming

doi:10.1109/isie.2013.6563814

Cited by 4 publications

(5 citation statements)

References 20 publications

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“…10a and b are different). This allows us to identify the practical application of the proposed topology for supplying active DC residential loads with internal post-regulators (laptops, mobile phones, etc) [33,34]. Fig.…”

Section: Experimental Validationmentioning

confidence: 99%

“…However, for residential mobile loads such as laptops and mobile phones, ICET technology will drastically improve flexibility. Note that these kinds of loads include internal post‐regulators (they are active loads), so that excellent output voltage regulation is not strictly required for ICET systems in this particular case [33, 34]. Besides improving flexibility, ICET systems prevent electrical shocks due to the inclusion of high‐frequency transformers which provides an electrical isolation to ensure a higher safety system.…”

Section: Introductionmentioning

confidence: 99%

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Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps

Momeneh¹,

Castilla²,

Ghahderijani³

et al. 2017

IET Power Electronics

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This study presents the analysis, design and implementation of a simple and cost-effective residential inductive contactless energy transfer system with multiple mobile clamps. The topology is based on the cascaded connection of a buck converter and a high-frequency resonant inverter loaded by several output passive rectifiers. The proposed system includes a sliding transformer to supply the mobile loads, leading to a safe and flexible location of loads. The theoretical analysis and design of the proposed system is based on a mathematical model derived using the first harmonic approximation. Selected experimental results are included to verify the system features. In comparison with conventional topology, the proposed system significantly improves efficiency, complexity and cost.

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Section: Experimental Validationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps

Momeneh¹,

Castilla²,

Ghahderijani³

et al. 2017

IET Power Electronics

View full text Add to dashboard Cite

show abstract

“…3, the output current can be detected through the output voltage conversion of the OP-Amp. Equation (1) shows the current-to-voltage conversion. The output current through R SHUNT is I OUT .…”

Section: Output Current Detectionmentioning

confidence: 99%

“…These performance enhancements increase the number of the transistors in the CPU, thereby increasing the power consumption. At present, the CPU power consumption limit of a PC is 150 W. This paper is a modification and improvement of the previous auto phase switching pulse width modulation (PWM) design [1], and use hysteresis both to avoid the phase frequency switching and to increase the operating system efficiency.…”

Section: Introductionmentioning

confidence: 99%

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Improvement of the power conversion efficiency of a personal computer

Huang

Bai

Kuan

2016

IET Power Electronics

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Most low-power PC design research focuses on the power consumption of devices in the system, in order to reduce the consumption of the peripheral components while the system is in the idle state. In this design, the power conversion efficiency of the multi-phase pulse width modulation power regulator can be improved by using the auto-phase switching control scheme. The external load-sensing circuit is used to both monitor the output current and to change the regulator to a different operation method automatically. This design is dependent on the different loading to set the optimised operation phase. The power conversion efficiency can be maintained from 88.19 to 93.41%, when the load current is changed from 1.06 to 119 A.

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Using a Low Power MCU to Control Operation Frequency to Increase DC-DC Buck Converter Efficiency in the Light Load

Bai

Lin

2020

2020 IEEE Canadian Conference on Electrical and Computer Engineering (CCECE)

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Improvement of the power conversion efficiency of a personal computer

Cited by 4 publications

References 20 publications

Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps

Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps

Improvement of the power conversion efficiency of a personal computer

Using a Low Power MCU to Control Operation Frequency to Increase DC-DC Buck Converter Efficiency in the Light Load

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