Implementation of a Resonant Converter with Topology Morphing to Achieve Bidirectional Power Flow

Lin, Bor‐Ren

doi:10.3390/en14165186

Cited by 4 publications

(5 citation statements)

References 13 publications

(14 reference statements)

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“…The use of shared power banks can extend beyond charging devices; it can foster connectivity among tourists and encourage social interactions [3]. When tourists utilize these power banks, their positive experiences might prompt them to share their impressions with others, effectively amplifying the brand's reach and attracting new clientele.…”

Section: Promoting Connectivity Among Tourists and Encouraging Social...mentioning

confidence: 99%

Empowering Tourism: Shared Power Banks for Sustainable Tourism Development in North America

Wu,

Sun,

Ren

2023

AEMPS

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This paper explores the transformative role of shared power banks in North American tourism. As electronic devices become indispensable for travelers and sustainable tourism gains momentum, shared power banks emerge as a solution to address charging needs while fostering local economies and enriching visitor experiences. The study analyzes the economic and cultural impact of shared power banks. These devices not only generate revenue through rentals and advertising but also promote local products and cultural attractions, enhancing the overall tourist experience. A user behavior survey conducted by us highlights attitudes toward shared power banks. While adoption is growing, users appreciate the convenience and stress reduction they offer, despite concerns about cleanliness and security. Successful case studies from tourist destinations worldwide, like Hangzhou West Lake Scenic Area and Gallerian shopping mall in Sweden, demonstrate the positive effect of shared power banks on engagement and prolonged stays. The paper envisions the future of shared power banks, leveraging intelligent integration, digital services, mobile apps, and emerging tech to enhance user experiences and responsible travel behavior. Collaborative initiatives among authorities, enterprises, and service providers are vital for sustainable tourism progress. In summary, shared power banks present an innovative solution to bolster North American tourism by providing convenience, boosting local economies, and embracing sustainability. These devices are poised to reshape tourist destinations significantly.

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Section: Promoting Connectivity Among Tourists and Encouraging Social...mentioning

confidence: 99%

Empowering Tourism: Shared Power Banks for Sustainable Tourism Development in North America

Wu,

Sun,

Ren

2023

AEMPS

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“…In transducing equipment, pulsed inverters with independent excitation of oscillations [4][5][6][7] have become widespread, in which a separate independent generator serves as the source of the inverter control signal. In study [4], to increase the power of resonant inverters, a dual power circuit with a packet control mode is used, which preserves optimal switching conditions.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

“…Options for overcoming the problems of compensation of complex perturbations in a resonant converter system can be the combination of methods for regulating the power of converters. This approach is used in [7], where frequency regulation combined with switching the topology of the inverter circuit is used to adjust the power of the bidirectional converter system. However, the complication of the power circuit of the inverter and the control system is not always acceptable for reasons of reliability under conditions of exposure to powerful electromagnetic interference.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Optimizing the operation of charging self-generating resonant inverters

Pavlov

Obrubov

Vinnychenko

2022

EEJET

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This paper reports a study of the electromagnetic processes in self-generating resonant inverters, as well as the derivation of analytical dependences of their operating frequency on the parameters of the resonance circuit and positive feedback circuits, in order to expand the range of their output power and optimize their operation. The object of research is electromagnetic processes in resonant inverters, in which autogeneration of resonant current oscillations is carried out in the process of operation. The results of studying the electromagnetic processes in sequential self-generating resonant inverters based on the characteristics of the resonant circuit are presented. The operating modes of the inverters have been optimized by setting certain ratios between the operating and resonant frequencies at unstable circuit parameters. The ratio of operating and resonant frequencies is set through the use of phase-shifting filters in a positive feedback loop along the circuit current and correspond to the autogenerator mode. The conditions of self-generation in converters with a sequential resonant circuit have been determined. Mathematical expressions have been built for determining the coefficients of positive feedback on the current and voltage of the resonant circuit, which made it possible to derive target analytical dependences. Analytical dependences of the established operating frequency on the parameters of the circuit and phase-shifting filters have been established. Based on the obtained dependences, the parameters of the positive feedback circuits have been determined in order to ensure a wide range of output power of the converters. The resulting dependences make it possible to carry out theoretical calculations whose results repeat the results of model experiments. Phase characteristics of the resonance circuit and various phase-shifting filters, which can be part of a serial resonant converter, have been constructed. The results of the analysis reported here could be used in the design of resonant inverters with unstable circuit parameters, in particular in inductive chargers.

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“…For this case, a discrete state-space model of the boost converter is obtained by means of the forward Euler approximation [111] given in Equation (12). Therefore, the discretetime state-space model of the boost converter can be written as Equation (13).…”

Section: Model Predictive Controlmentioning

confidence: 99%

“…However, IBC cells present a complex and expensive production method due to its novelty [12]. Not only the efficiency of PV systems can be low but also, the end-user voltage is unstable and depends on the light intensity [13].…”

Section: Introductionmentioning

confidence: 99%

Maximum Power Point Tracking Techniques for Photovoltaic Panel: A Review and Experimental Applications

et al. 2021

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This article contains a review of essential control techniques for maximum power point tracking (MPPT) to be applied in photovoltaic (PV) panel systems. These devices are distinguished by their capability to transform solar energy into electricity without emissions. Nevertheless, the efficiency can be enhanced provided that a suitable MPPT algorithm is well designed to obtain the maximum performance. From the analyzed MPPT algorithms, four different types were chosen for an experimental evaluation over a commercial PV system linked to a boost converter. As the reference that corresponds to the maximum power is depended on the irradiation and temperature, an artificial neural network (ANN) was used as a reference generator where a high accuracy was achieved based on real data. This was used as a tool for the implementation of sliding mode controller (SMC), fuzzy logic controller (FLC) and model predictive control (MPC). The outcomes allowed different conclusions where each controller has different advantages and disadvantages depending on the various factors related to hardware and software.

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Implementation of a Resonant Converter with Topology Morphing to Achieve Bidirectional Power Flow

Cited by 4 publications

References 13 publications

Empowering Tourism: Shared Power Banks for Sustainable Tourism Development in North America

Empowering Tourism: Shared Power Banks for Sustainable Tourism Development in North America

Optimizing the operation of charging self-generating resonant inverters

Maximum Power Point Tracking Techniques for Photovoltaic Panel: A Review and Experimental Applications

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