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Showing 1 to 20 of 20 for “"Buck-Boost Converter"”.
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Design of a wide input supply range buck-boost converter
Buck-boost converters allow the flexibility of stepping-up and stepping-down the input supply to generate a regulated output, thus making them very attractive for applications with wide input supply range. Currently, off-the-shelf buck-boost converters require a minimum operating voltage of 1.8V. …
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Improving the control strategy for a four-switch buck-boost converter
The four-switch buck-boost converter, such as implemented with the Linear Technology LTC3440 integrated circuit, is useful in many applications. While this topology can be highly efficient, new strategies for controlling it could decrease power losses even more. The strategy proposed for this …
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An improved perturbation and observation in MPPT control using buck-boost converter in solar panel
… using Perturbation and Observation (P&O) for buck-boost converter in 50W output from 1kW solar panel. Direct current buck-boost circuit is also been designed and implemented in order to control the output voltage of this project. The Buck-boost circuit with a MOSFET is used as switching …
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Design of a novel flying capacitor multilevel buck-boost converter for electric aircraft de-icing applications
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-12-01
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Analysis, design, and evaluation of the optimum topology Cuk converter in comparison with the conventional Buck-Boost converter
… method,which. is especially suitable for power. converter design optimization, is utilized for the comparison of the conventional BuckBoost and Cuk converters. Detailed comparisons are made with respect to the loss and weight breakdowns. of the optimum design of the two converters for a given set …
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FPGA-based digital controller for dc-dc converter
… a FPGA-based digital controller for a DC-DC converter. The converter topologies chosen in this project is Non-Inverting Buck-Boost converter. The main difference from DSP-based solution is that FPGA allows simultaneous execution of all control procedures. The control algorithm has been …
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Research on MPPT methods for photovoltaic system based on microgrid
… with PVS. It presents three types of DC-DC converters -- Buck, Boost and Buck-Boost converter. This work proposes to apply a DC-DC converter of Buck-Boost type to make PVS controllable because this type of converter has the largest range for operational region so that it can get the best …
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Development of time delay current control for lead acid battery 12 v DC by using arduino
… the performance of a current controlled for the buck-boost converter. The time delay controller is generally regarded as a nuisance to a control system. In addition, the performance of the Arduino and MATLAB as a signal processing device interface time is used. The feedback of open loop and …
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Single-Phase Bi-directional Ćuk Inverter for Battery Applications
… to store energy for later use. As such, only buck-boost based topologies are majorly being proposed and used for this functionality. The buck boost converter is the most widely used in such applications because of its higher efficiency, low component count and simple structure. It has …
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Development of repetitive current control for lead acid battery using arduino
… acid battery using Arduino. The project uses Buck-Boost converter circuit with reference voltage of 14V from lead acid battery. The range of buck operation input voltage is between 18V to 15V while boost operation input voltage range is between 10V to 13V. The current sensor uses in this …
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Condensed Buck-Boost Switched Capacitor Converter for Efficient Voltage Distribution in Electrified Aircraft
Switched capacitor converters are a category of power electronic converters that harness the significantly improved energy density of capacitors as opposed to that of their conventional, inductor-based counterparts to reap benefits in terms of efficiency, size, and utilization. This work presents …
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A Wide Input Power Line Energy Harvesting Circuit For Wireless Sensor Nodes
… wake-up circuit and is capable of cold-start. A buck-boost converter operating in DCM is adopted for impedance matching, where the impedance is rather independent of the operation conditions. So, the proposed system can be applied to various types of wireless sensor nodes with different internal …
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Energy Harvesting Circuit with Input Matching in Boundary Conduction Mode for Electromagnetic Generators
… to extract maximum power from an EMG, an AC-DC boost rectifier is designed to match the impedance of the EMG. Rather than operate a buck-boost converter in Discontinuous Conduction Mode (DCM) in other impedance matching cases, the proposed method is running the boost topology in Boundary …
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Energy Harvesting Circuit for Indoor Light based on the FOCV Method with an Adaptive Fraction Approach
… synchronous dual-input dual-output non-inverting buck-boost converter operating in discontinuous conduction mode (DCM) and constant on-time pulse skipping modulation (COT-PSM) to achieve voltage regulation and maximum power delivery to the load. Battery is used as secondary input also as secondary …
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Low-Power Piezoelectric Energy Harvesting Circuit to Power Wind Turbine Sensors
… a full bridge rectifier, an impedance matched buck boost converter, an oscillator, a voltage regulator, and a cold start-up assistance circuit for automated start-up. This work provides a solution for start-up issues with vibration energy harvesting in monitoring status of wind turbine blades.
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Topology and Control Investigation of Soft-Switching DC-DC Converters for DC Transformer (DCX) Applications
… (SST) systems, the fixed-ratio isolated DC-DC converter, namely the DC transformer (DCX), has gained significant popularity. Similar to the passive AC transformer, DCX can bidirectionally convey DC power with very high efficiency. Due to zero-voltage switching (ZVS) and a small root mean square …
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Single Phase Power Factor Correction Circuit with Wide Output Voltage Range
… a comparison of two main power stage candidates (Buck+Boost and Sepic) in terms of efficiency, complexity, cost and device rating, the buck+boost converter is employed as the variable output PFC power stage. From the loss analysis, this topology has a high efficiency from light load to heavy load. …
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Integrated Switching DC-DC Converters with Hybrid Control Schemes
… this urgent power crisis. Switching power converters are considered to be the best candidate due to their high efficiency and voltage conversion flexibility. Moreover, switching power converter systems are highly nonlinear, discontinuous in time, and variable. This makes it viable over a …
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Power Converter Design for Maximum Power Transfer and Battery Management for Vibration-Based Energy Harvesting on Commercial Railcars
… into DC for the battery pack. The power converter should be capable of extracting maximum power from the energy harvester as well as acting as a battery manager. Experimental results with the energy harvester conclude that maximum power can be extracted if the harvester is loaded with 2 . …
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Broadband excitation of fuel cells for online condition monitoring using different switch-mode DC-DC mode topologies
… using multi-sine signals through a single dc-dc converter. However, for fuel cells, the non-linearity of both the converter and the fuel cell poses a challenge to the online monitoring process. There is also a need for faster diagnostics due to the internal operating conditions of the fuel cell …