Series and parallel circuits ≈ Series and parallel circuits
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Modeling, simulation and performance analysis of solar PV array configurations (Series, Series–Parallel and Honey-Comb) to extract maximum power under Partial Shading Conditions Open
The main design objective of the solar photovoltaic (PV) systems is to extract the maximum power from the PV systems for a long time. The amount of power extracted from the PV array can be affected by temperature, solar irradiation, dust a…
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Review of Differential Power Processing Converter Techniques for Photovoltaic Applications Open
Differential power processing (DPP) converters are utilized in photovoltaic (PV) power systems to achieve high-efficiency power output, even under uneven lighting or mismatched PV cell situations. Since this DPP concept has been introduced…
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Full-Bridge LLC Resonant Converter With Series-Parallel Connected Transformers for Electric Vehicle On-Board Charger Open
A full-bridge LLC resonant converter with series-parallel connected transformers for an onboard battery charger of electric vehicles is proposed, which can realize zero voltage switching turn-on of power switches and zero current switching…
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Vertical Stacked LEGO-PoL CPU Voltage Regulator Open
This article presents a 48–1 V merged-two-stage hybrid-switched-capacitor converter with a linear extendable group operated point-of-load (LEGO-PoL) architecture for ultrahigh-current microprocessors, featuring 3-D stacked packaging and co…
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A series connection architecture for large-area organic photovoltaic modules with a 7.5% module efficiency Open
The fabrication of organic photovoltaic modules via printing techniques has been the greatest challenge for their commercial manufacture. Current module architecture, which is based on a monolithic geometry consisting of serially interconn…
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Evaluation of Mathematical Model to Characterize the Performance of Conventional and Hybrid PV Array Topologies under Static and Dynamic Shading Patterns Open
The analysis and the assessment of interconnected photovoltaic (PV) modules under different shading conditions and various shading patterns are presented in this paper. The partial shading conditions (PSCs) due to the various factors reduc…
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Mathematical Modelling of Solar Photovoltaic Cell/Panel/Array based on the Physical Parameters from the Manufacturer’s Datasheet Open
This paper discusses a modified V-I relationship for the solar photovoltaic (PV) single diode based equivalent model. The model is derived from an equivalent circuit of the PV cell. A PV cell is used to convert the solar incident light to …
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Quasi Two-Level PWM Operation of an MMC Phase Leg With Reduced Module Capacitance Open
The modular multilevel converter offers benefits for medium and high voltage power conversion due to indirect series connection of devices. The drawback is a large amount of capacitance that has to be installed in each module, often prohib…
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Experimental analysis to extract maximum power from PV array reconfiguration under partial shading conditions Open
An investigation of auto-reconfiguration scheme for interchanging the electrical connections of photovoltaic (PV) array of 3 × 3 size, from series-parallel (SP) to total cross-tied (TCT) configuration under partial shading conditions (PSCs…
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Series-, Parallel-, and Inter-Connection of Solid-State Arbitrary Fractional-Order Capacitors: Theoretical Study and Experimental Verification Open
In the paper, general analytical formulas are introduced for the determination of equivalent impedance, magnitude, and phase, i.e. order, for n arbitrary fractional-order capacitors (FoCs) connected in series, parallel, and their interconn…
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New Asymmetrical Modular Multilevel Inverter Topology With Reduced Number of Switches Open
In this article, a new single-phase multilevel inverter is introduced with a reduced number of power switches and reduced voltage stress on power switches. The proposed topology consists of four input dc sources and nine semiconductor swit…
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Investigation on cascade multilevel inverter with symmetric, asymmetric, hybrid and multi-cell configurations Open
In recent past, numerous multilevel architectures came into existence. In this background, cascaded multilevel inverter (CMLI) is the promising structure. This type of multilevel inverters synthesizes a medium voltage output based on a ser…
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A Review of Hybrid Topologies Combining Line-Commutated and Cascaded Full-Bridge Converters Open
This paper presents a review of concepts for enabling the operation of a line-commutated converter (LCC) at leading power angles. These concepts rely on voltage or current injection at the ac or dc sides of the LCC, which can be achieved i…
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High precision gate signal timing control based active voltage balancing scheme for series-connected fast switching field-effect transistors Open
Due to the low availability, high cost, and limited performance of high voltage power devices in high voltage high power applications, series-connection of low voltage switches is commonly considered. Practically, because of the dynamic vo…
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Optimal PV array reconfiguration under partial shading condition through dynamic leader based collective intelligence Open
This paper applies the innovative idea of DLCI to PV array reconfiguration under various PSCs to capture the maximum output power of a PV generation system. DLCI is a hybrid algorithm that integrates multiple meta-heuristic algorithms. Thr…
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Physical Investigation Into Effective Voltage Balancing by Temporary Clamp Technique for the Series Connection of IGBTs Open
The series connection of IGBTs is essential for high-voltage applications where fast switching performances need to be maintained. However, unbalanced voltage sharing is a major resistance to the converter application of this structure. Th…
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Design and Implementation of Asymmetrical Multilevel Inverter With Reduced Components and Low Voltage Stress Open
Multilevel inverters with a high device count, low boosting and DC voltage imbalance are all common problems exists in the traditional topologies. In this article, a new single-phase asymmetrical multilevel inverter (MLI) that can generate…
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An FPGA-Based Voltage Balancing Control for Multi-HV-IGBTs in Series Connection Open
The series connection of insulated gate bipolar transistors (IGBTs) allows operation at voltage levels higher than the rated voltage of one IGBT and has less power semiconductor costs compared to multilevel topologies. However, voltage unb…
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Autonomous Energy Harvesting and Prevention of Cell Reversal in MFC Stacks Open
This study presents a novel method for avoiding cell reversal whilst optimising energy harvesting from stacked Microbial Fuel Cells (MFCs) by dynamically reconfiguring the electrical connections between them. The sequential changing of in-…
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Power Losses Reduction of Solar PV Systems Under Partial Shading Conditions Using Re-Allocation of PV Module-Fixed Electrical Connections Open
The paper gives a review of the investigation, which is being imported under different shading scenarios on the solar photovoltaic (PV) array arrangements. Under non-uniform irradiations, the authors pursue voluminous interpretation to scr…
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Improved Multi-Stage Decoupling Space Vector Modulation for Asymmetrical Multi-Phase PMSM With Series Winding Connection Open
This article is devoted to developing a unique series-winding drive (SWD) topology, analyzing and implementing its control schemes for asymmetrical multiphase permanent magnet synchronous motor (PMSM). Proposed SWDs have higher voltage uti…
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A fully reconfigurable series-parallel photovoltaic module for higher energy yields in urban environments Open
Photovoltaic modules in the urban environment are very often exposed to uneven illumination conditions. The electrical interconnection between solar cells in a photovoltaic module limits the power that a solar module can generate under par…
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Modelling and analysis of PV configurations (alternate TCT-BL, total cross tied, series, series parallel, bridge linked and honey comb) to extract maximum power under partial shading conditions Open
Photovoltaics (PV) are widely used as renewable energy sources for standalone and grid connected PV system. But these PV systems face major reduction in output power and efficiency due to Partial Shading Conditions (PSCs). This research pa…
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Design and experimental characterization of optical wireless power transmission using GaAs solar cell and series-connected high-power vertical cavity surface emitting laser array Open
Optical wireless power transmission (OWPT) has numerous advantages. To improve the efficiency of the OWPT, we decreased current by series connection of vertical cavity surface emitting laser (VCSEL) array chips to reduce cable loss. The fa…
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Number of maximum power points in photovoltaic arrays during partial shading events by clouds Open
This article presents a study of the number of maximum power points (MPPs) of photovoltaic (PV) module arrays during partial shading events by clouds. Around 9000 shadow edges were identified in measured irradiance data, and the electrical…
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Development of Modular DC-DC Converters for Low-Speed Electric Vehicles Fast Chargers Open
To increase the utilization of Low-Speed Electric Vehicles (LS-EVs), rapid recharging of the EV's battery pack turn out to be essential. This permits reduced charging times, greater vehicle utility, and broader adoption of LS-EVs. This pap…
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Minimization of Losses in Solar Photovoltaic Modules by Reconfiguration under Various Patterns of Partial Shading Open
Configurations of photovoltaic (PV) modules, such as series-parallel (SP), bridge-linked (BL), and total cross-tied (TCT) configurations, always utilize a number of connecting switches. In a simulation, the ideal switch with no loss is use…
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Optimal PV array configuration for extracting maximum power under partial shading conditions by mitigating mismatching power loss Open
The grid-connected or standalone PV central inverter architecture comprises of several PV modules which are connected in different ways to form the PV array. The power generation capability of the PV array is mainly affected by partial sha…
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Series-Parallel Switched-Capacitor Balancing Circuit for Hybrid Source Package Open
Energy storage package usually consists of multiple cells. The associated cell equalization is important for cell package design. An innovative and efficient switched-capacitor balancing circuit is proposed in this paper to achieve cell vo…
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Performance Enhancement of Partial Shaded Photovoltaic System With the Novel Screw Pattern Array Configuration Scheme Open
The performance of the solar photovoltaic system is affected by the unpredictable phenomenon of partial shading. This causes the mismatch losses that suppress the power generation of healthy PV modules in it. The objective of the proposed …