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A high step up dc dc converter based on an isolated dc dc converter with voltage multiplier cells for photovoltaic systems is essentially introduced in this paper. The proposed converter can provide a high step up voltage gain. The switch…

Systems and Control · Electrical Eng. & Systems 2019-09-13 Mamdouh L. Alghaythi , Robert M. Oconnell , Naz E. Islam

A family of interleaved current-fed high step-up dc-dc converters are introduced and analyzed here by combining a voltage multiplier (VM) and an active clamp circuit for high-voltage high-power applications. Low input currents and output…

Systems and Control · Electrical Eng. & Systems 2023-05-30 R. Beiranvand , S. H. Sangani

Multi-port DC-DC converters are gaining more significance in modern power system environments by enabling the connection of multiple renewable energy sources, so the efficient operation of these converters is paramount. Soft switching…

Systems and Control · Electrical Eng. & Systems 2023-10-25 Minoo Mohebbifar , Mohammad Panahazari , Omid Mirzapour

Conventional electromagnetic induction-based current transformers suffer from issues such as bulky and complex structures, slow response times, and low safety levels. Consequently, researchers have explored combining various sensing…

Optics · Physics 2024-12-10 Yu-Xuan Chen , Jing Sun , Bo-Qi Meng

Partial resonance high frequency AC link converters are recognized to provide soft-switching, single-stage power conversion. They are highly reliable due to elimination of DC capacitors. Previous work has focused on proof of concept…

Systems and Control · Electrical Eng. & Systems 2022-02-22 Farid Naghavi , Hamid Toliyat

We demonstrate an efficient and continuous microwave photon to electron converter with large quantum efficiency ($83\%$) and low dark current. These unique properties are enabled by the use of a high kinetic inductance disordered…

Digital-to-analog converters (DAC) are indispensable functional units in signal processing instrumentation and wide-band telecommunication links for both civil and military applications. Since photonic systems are capable of high data…

Signal Processing · Electrical Eng. & Systems 2020-12-07 Jiawei Meng , Mario Miscuglio , Jonathan K. George , Aydin Babakhani , Volker J. Sorger

The photovoltaic microinverter based two-switch DC-DC flyback converters has been investigated. The microinverter is characterized by the high performance and simple design. The effect of CL and LCL low pass filter on Total Harmonics…

Signal Processing · Electrical Eng. & Systems 2019-10-07 Lahcen El Iysaouy , Mhammed Lahbabi , Abdelmajid Oumnad

Neuromorphic photonics relies on efficiently emulating analog neural networks at high speeds. Prior work showed that transducing signals from the optical to the electrical domain and back with transimpedance gain was an efficient approach…

Power converters require passive low-pass filters which are capable of reducing voltage ripples effectively. In contrast to signal filters, the components of power filters must carry large currents or withstand large voltages, respectively.…

Accelerator Physics · Physics 2016-07-11 R. Künzi

A critical challenge in power conversion in electric vehicles is the efficient use of DC-DC buck converters that need to provide 12-V supply for load systems from 400/800-V batteries. This paper presents a literature review on the…

Systems and Control · Electrical Eng. & Systems 2020-09-17 Luoqi Chen , Ahmad Elkhateb , Nikolaos Athanasopoulos

Using the first law of thermodynamics and the Parseval-Plancheral theorem, it is shown that every DC-DC converter must trade-off size, heat and conducted electromagnetic noise. It is therefore fundamentally impossible to simultaneously…

General Physics · Physics 2018-02-13 Jacques Naude , Ivan Hofsajer

In this paper, a non-isolated high step-up dc-dc converter is presented. The proposed converter is composed of an interleaved structure and diode-capacitor multiplier cells for interfacing low-voltage renewable energy sources to…

Systems and Control · Electrical Eng. & Systems 2020-09-11 Mamdouh L. Alghaythi , Robert M. Oconnell , Naz E. Islam , Josep M. Guerrero

On-silicon inductors using a bulk 0.18 {\mu}m CMOS process have been designed. By shunting different metal layers in parallel, inductor values and quality factors were simulated. Selected inductors were then employed in two open-loop buck…

Applied Physics · Physics 2019-10-01 Nan Xu , Wing-Hung Ki

The wide adoption and significant computing resource of attention-based transformers, e.g., Vision Transformers and large language models (LLM), have driven the demand for efficient hardware accelerators. There is a growing interest in…

Emerging Technologies · Computer Science 2024-01-02 Hanqing Zhu , Jiaqi Gu , Hanrui Wang , Zixuan Jiang , Zhekai Zhang , Rongxing Tang , Chenghao Feng , Song Han , Ray T. Chen , David Z. Pan

Analog-to-digital converters (ADCs) facilitate the conversion of analog signals into a digital format. While the specific designs and settings of ADCs can vary depending on their applications, it is crucial in many modern applications to…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Satish Mulleti , Timur Zirtiloglu , Arman Tan , Rabia Tugce Yazicigil , Yonina C. Eldar

The investigation results of the grid connected photovoltaic single stage microinverter with a new topology are presented. The microinverter is based on the couple of two-switch DC-DC flyback converters and has simple design. The…

Signal Processing · Electrical Eng. & Systems 2019-10-07 El Iysaouy Lahcen , Edvardas Bielskis , Lahbabi Mhammed , Algirdas Baskys , Oumnad Abdelmajid

Photonic addressing of superconducting circuits has been proposed to overcome wiring complexity and heat load challenges, but superconducting-photonic links suffer from an efficiency-noise trade-off that limits scalability. This trade-off…

Quantum Physics · Physics 2024-06-21 Kevin K. S. Multani , Wentao Jiang , Emilio A. Nanni , Amir H. Safavi-Naeini

Switched-Capacitor Converters (SCC) suffer from a fundamental power loss deficiency which make their use in some applications prohibitive. The power loss is due to the inherent energy dissipation when SCC operate between or outside their…

Number Theory · Mathematics 2010-03-24 Alexander Kushnerov

The efficiency of photo-conductive switches, which continue to be used for the generation and detection of THz waves, has been overlooked for a long time. The so far 'optics-dominated' devices are making their way through to new and…

Applied Physics · Physics 2020-11-10 Giorgos Georgiou , Clément Geffroy , Christopher Bäuerle , Jean-François Roux
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