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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 52 for “"Maximum Power Point Tracking (MPPT)"”.
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Modelling of a stand alone photovoltaic system with dedicated hybrid battery energy storage system
… photovoltaic (PV) plant that utilized the maximum power point tracking (MPPT) technique and included a hybrid battery energy storage system (BESS). The model consisted of five main components namely; the photovoltaic module, maximum power point tracking technique, hybrid battery energy …
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Research on MPPT methods for photovoltaic system based on microgrid
… it discusses and compares different methods for Maximum Power Point Tracking (MPPT) 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 …
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An improved perturbation and observation in MPPT control using buck-boost converter in solar panel
… is about designed and implemented an improved Maximum Power Point Tracking (MPPT) technique 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 …
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A MAXIMUM POWER POINT TRACKING TECHNIQUE FOR SINGLE-PHASE PHOTOVOLTAIC SYSTEMS WITH REDUCED DC-LINK CAPACITOR
Electrolytic capacitors used in photovoltaic (PV) power conditioning units (PCU) for power decoupling purposes are less reliable in nature. Film capacitors can be adopted instead of electrolytic capacitors if the energy storage requirement of the PCU is reduced, since they offer better reliability …
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Vibration Energy Harvesting IC Design with Incorporation of Two Maximum Power Point Tracking Methods
… from a piezoelectric transducer (PZT) to provide power for a wireless sensor node (WSN). With a traditional rectification stage, a two-path three-switch dual-input dual-output architecture is adopted to extract power and regulate the output voltage for the load with one stage. The power stage is …
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An Intelligent Lead Acid Battery Management System for Solar and Off-Peak Energy Storage
… combine several localized systems into a small power network has drawn recent attention. They can operate either as a self-contained energy network or they can be integrated into a centralized power grid. A variety of technologies have been studied to use solar energy systems as a form of …
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Power management of series connected photovoltaic sub-modules using the element-to-virtual bus differential power processing architecture
State-of-the-art solutions to photovoltaic power management track the maximum power of a solar installation at the cost of processing 100% of this generated power. Differential power processing (DPP) has demonstrated maximum power point tracking (MPPT) of a photovoltaic system by processing a small …
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Implementation and control of distributed maximum power point tracking in solar photovoltaic applications
Maximum power point tracking (MPPT) is an important feature in solar photovoltaic (PV) systems as it increases the energy yield from such systems by optimizing their operating point. Current state-of-the-art solutions perform MPPT for a whole system, a string of panels or an individual panel within …
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Improving the Maximum Power Point Tracking Efficiency of Photovoltaic Arrays via Machine Learning and Deep Learning
… array experience varying irradiance. A Global Maximum (GM) and multiple Local Maximums (LMs) can originate on the Power-Voltage (P-V) curve under nonuniform irradiance conditions. There are many maximum power point tracking (MPPT) algorithms developed to detect the true maximum power point …
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Asynchronous differential power processing for true maximum power point tracking of photovoltaic sub-modules
This thesis examines maximum power point tracking (MPPT) at the photovoltaic (PV) sub-module level, but in the context of large arrays. Central communication carries large overheads, and neighbor-to-neighbor communication can have long propagation times in large arrays, so a communication-less …
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Energy Harvesting Circuit for Indoor Light based on the FOCV Method with an Adaptive Fraction Approach
… stable. The designed circuits are intended to power wireless sensor nodes (WSNs) or other computing unit such as microcontrollers or DSPs to provide a power solution for Internet of Things (IoTs). The proposed circuit can extract maximum power from the PV panel by utilizing the maximum power …
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Control Strategy for a Small-Scale Microgrid Based on Battery Energy Storage System-Virtual Synchronous Generator (bess-Vsg)
… widely deployed renewable energy resources, PV power is playing a very important role in microgrids today. It has advantages such as making the best of natural solar energy and being friendly to our environment. In this thesis, solar PV based microgrid is studied using modeling and simulation. …
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Improving electrical performance of reliable solar-powered irrigation system
A solar-powered irrigation system has been developed to address the lack of affordable irrigation solution for the marginal farmers in India. An MIT spinout, Khethworks, has designed an efficient water pump with low power rating, and created a low-cost irrigation system with the pump, a …
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Multi-source Energy Harvesting for Wildlife Tracking
Sufficient power supply to run GPS machinery and transmit data on a long-term basis remains to be the key challenge for wildlife tracking technology. Traditional ways of replacing battery periodically is not only time and money consuming but also dangerous to live-trapping wild animals. In this …
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Analysis of the peak power of a photovoltaic array system under outdoor conditions at Vuwani Region of Limpopo Province
… record some of the main parameters such as peak power and air temperature. The estimated data of solar radiation are used in the present work. The photovoltaic array was connected to the maximum power point tracking (MPPT) charge controller to record daily peak power value produced by the …
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The assessment of the impact causuarina cunninghamiana miq. (river-she-oak) windbreak on macadamia trees orchards in Limpopo Province, South Africa
… record some of the main parameters such as peak power and air temperature. The estimated data of solar radiation are used in the present work. The photovoltaic array was connected to the maximum power point tracking (MPPT) charge controller to record daily peak power value produced by the …
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Maximum Power Point Tracking Using Kalman Filter for Photovoltaic System
This thesis proposes a new maximum power point tracking (MPPT) method for photovoltaic (PV) systems using Kalman filter. The Perturbation & Observation (P&O) method is widely used due to its easy implementation and simplicity. The P&O usually requires a dithering scheme to reduce noise effects, but …
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Dynamic Aggregation of Grid-tied Inverters
Power-electronics inverters are being integrated in large numbers in distribution networks with rapid deployment of renewable resources, energy storage, and flexible loads. Since such distributed energy resources will serve a majority of loads in the next- generation power network, it is critical …
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Analysis And Design Of A Modular Solar-fed Fault-tolerant Power System With Maximum Power Point Tracking
Solar power is becoming ever more popular in a variety of applications. It is particularly attractive because of its abundance, renewability, and environment friendliness. Solar powered spacecraft systems have ever-expanding loads with stringent power regulation specifications. Moreover, they …
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Voltage-Offset Resistive Control for Photovoltaics
… Although there are numerous control schemes and maximum power point tracking (MPPT) methods for PVs, few focus on maintaining low sensitivity to irradiance transients. Daily PV electrical characteristics are observed to identify trends in the maximum power point (MPP) movement. Analysis shows …
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