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The photoelectric conversion efficiency of a solar cell is dependent on its temperature. When the solar radiation is incident on the photovoltaics (PV) panel, a large portion of it is absorbed by the underlying material which increases its…

Applied Physics · Physics 2021-05-12 Sajag Poudel , An Zou , Shalabh C. Maroo

For active distribution networks (ADNs) integrated with massive inverter-based energy resources, it is impractical to maintain the accurate model and deploy measurements at all nodes due to the large-scale of ADNs. Thus, current models of…

Systems and Control · Electrical Eng. & Systems 2021-06-18 Tong Xu , Wenchuan Wu , Yiwen Hong , Junjie Yu , Fazhong Zhang

The intermittency of solar and wind power can be addressed by integrating them with Solid Oxide Cells (SOCs). This study delves into the transient characteristics of SOCs and their dependence on dynamic heat and mass transfer processes.…

Fluid Dynamics · Physics 2024-05-31 Zhaojian Liang , Jingyi Wang , Liang An , Yang Wang , Meng Ni , Mengying Li

Investigation of HV-CMOS sensors for use as a tracking detector in the ATLAS experiment at the upgraded LHC (HL-LHC) has recently been an active field of research. A potential candidate for a pixel detector built in Silicon-On-Insulator…

Instrumentation and Detectors · Physics 2017-10-27 B. Hiti , V. Cindro , A. Gorišek , T. Hemperek , T. Kishishita , G. Kramberger , H. Krüger , I. Mandić , M. Mikuž , N. Wermes , M. Zavrtanik

Estimating the state of charge (SOC) of compound energy storage devices in the hybrid energy storage system (HESS) of electric vehicles (EVs) is vital in improving the performance of the EV. The complex and variable charging and discharging…

Computational Engineering, Finance, and Science · Computer Science 2022-12-27 Chigozie Uzochukwu Udeogu

In order to improve performance of photovoltaic/thermal (or PV/T for simplicity) collectors, this paper firstly validated a previous computational thermal model and then introduced an improved computational thermal model to investigate the…

Systems and Control · Electrical Eng. & Systems 2021-05-13 Jimeng Shi , Cheng-Xian Lin

We develop a quantum model for the dynamics of carrier injection in a band that presents a strong carrier-vibration coupling. This coupling modifies the spectral density of the band and can even create pseudo-gaps that sign the onset of…

It is of extreme importance to monitor and manage the battery health to enhance the performance and decrease the maintenance cost of operating electric vehicles. This paper concerns the machine-learning-enabled state-of-health (SoH)…

Machine Learning · Computer Science 2021-03-31 Matti Huotari , Shashank Arora , Avleen Malhi , Kary Främling

Smart charging of Electric Vehicles (EVs) reduces operating costs, allows more sustainable battery usage, and promotes the rise of electric mobility. In addition, bidirectional charging and improved connectivity enables efficient power grid…

Signal Processing · Electrical Eng. & Systems 2021-04-30 Karl Schwenk , Stefan Meisenbacher , Benjamin Briegel , Tim Harr , Veit Hagenmeyer , Ralf Mikut

In this paper, a new Volt/Var Control (VVC) scheme is proposed to facilitate the coordination between the conventional VVC devices and the new smart PV inverters to provide an effective voltage control on a system with high PV penetration.…

Signal Processing · Electrical Eng. & Systems 2019-01-01 Yue Shi , Mesut Baran

Due to the increasing proportion of distributed photovoltaic (PV) production in the generation mix, the knowledge of the PV generation capacity has become a key factor. In this work, we propose to compute the PV plant maximum power starting…

Systems and Control · Computer Science 2017-05-12 Enrica Scolari , Fabrizio Sossan , Mario Paolone

Design and operation of a utility scale photovoltaic (PV) power plant depends on accurate modeling of the power generated, which is highly correlated with aggregate solar irradiance on the plant's PV modules. At present, aggregate solar…

Applications · Statistics 2015-02-17 Joshua Patrick , Jane Harvill , Clifford Hansen

A key challenge with large battery systems is heterogeneous currents and temperatures in modules with parallel-connected cells. Although extreme currents and temperatures are detrimental to the performance and lifetime of battery cells,…

Systems and Control · Electrical Eng. & Systems 2026-02-10 Joseph Ross , Damien Frost , Efstratios Chatzinikolaou , Stephen Duncan , David Howey

Increasing penetration of distribution generation (DG) and electric vehicles (EVs) calls for an effective way to estimate the achievable capacity connected to the distribution systems, but the exogenous uncertainties of DG outputs and EV…

Optimization and Control · Mathematics 2017-08-03 Huimiao Chen , Zechun Hu , Yinghao Jia , Zuo-Jun Max Shen

The state of charge (SOC) of lithium-ion batteries needs to be accurately estimated for safety and reliability purposes. For battery packs made of a large number of cells, it is not always feasible to design one SOC estimator per cell due…

Systems and Control · Electrical Eng. & Systems 2024-03-26 Mira Khalil , Romain Postoyan , Stéphane Raël , Dragan Nešić

Recent studies have shown that the aggregated dynamic flexibility of an ensemble of thermostatic loads can be modeled in the form of a virtual battery. The existing methods for computing the virtual battery parameters require the knowledge…

Machine Learning · Computer Science 2018-10-11 Indrasis Chakraborty , Sai Pushpak Nandanoori , Soumya Kundu

Energy storage is a fundamental component for the development of sustainable and environment-aware technologies. One of the critical challenges that needs to be overcome is preserving the State of Health (SoH) in energy harvesting systems,…

Systems and Control · Computer Science 2015-11-24 Roberto Valentini , Nga Dang , Marco Levorato , Eli Bozorgzadeh

The stochastic differential equation (SDE)-based random process models of volatile renewable energy sources (RESs) jointly capture the evolving probability distribution and temporal correlation in continuous time. It has enabled recent…

Machine Learning · Computer Science 2023-12-12 Yiwei Qiu , Jin Lin , Zhipeng Zhou , Ningyi Dai , Feng Liu , Yonghua Song

When cloud layers cover photovoltaic (PV) panels, the amount of power the panels produce fluctuates rapidly. Therefore, to maintain enough energy on a power grid to match demand, utilities companies rely on reserve power sources that…

Degradation prognosis for lithium-ion cells requires forecasting the state-of-health (SOH) trajectory over future cycles. Existing data-driven approaches can produce trajectory outputs through direct regression, but lack a mechanism to…

Machine Learning · Computer Science 2026-03-12 Kai Chin Lim , Khay Wai See