Thank you for downloading power electronics converters applications and design. Maybe you have knowledge that, people have look numerous times for their favorite readings like this power electronics converters applications and design, but end up in harmful downloads. Rather than enjoying a good book with a cup of tea in the afternoon, instead they cope with some malicious virus inside their desktop computer.

Power Electronics Converters Applications And Design

Energy consumption remains as a major obstacle for full deployment and exploitation of wireless sensor network (WSN) technology nowadays. This paper presents the design and implementation of an energy-aware sensor node, which can help in constructing energy-efficient WSNs. An energy-efficient strategy, which aims at minimizing energy consumption from both the sensor node level and the network level in a WSN, is proposed. To minimize the communication energy consumption of the sensor node, the distance between the transmitter and the receiver is estimated before available transmission, and then, the lowest transmission power needed to transmit the measurement data is calculated and determined. The sensor nodes are also set to sleep mode between two consecutive measurements for energy saving in normal operating conditions. Furthermore, energy saving can be achieved by estimating the energy consumption within the whole network under different network configurations and then by choosing the most energy-efficient one.

Energy-Aware Sensor Node Design With Its Application in Wireless Sensor Networks

Modified JAYA algorithm for optimal power flow incorporating renewable energy sources considering the cost, emission, power loss and voltage profile improvement

Taking into account the limited capability of proton exchange membrane fuel cells (PEMFCs) to produce energy, it is mandatory to provide solutions, in which an efficient power produced by PEMFCs can be attained. The maximum power point tracker (MPPT) plays a considerable role in the performance improvement of the PEMFCs. Conventional MPPT algorithms showed good performances due to their simplicity and easy implementation. However, oscillations around the maximum power point and inefficiency in the case of rapid change in operating conditions are their main drawbacks. To this end, a new MPPT scheme based on a current reference estimator is presented. The main goal of this work is to keep the PEMFCs functioning at an efficient power point. This goal is achieved using the backstepping technique, which drives the DC–DC boost converter inserted between the PEMFC and the load. The stability of the proposed algorithm is demonstrated by means of Lyapunov analysis. To verify the ability of the proposed method, an extensive simulation test is executed in a Matlab–Simulink TM environment. Compared with the well-known proportional–integral (PI) controller, results indicate that the proposed backstepping technique offers rapid and adequate converging to the operating power point.

A Robust Maximum Power Point Tracking Control Method for a PEM Fuel Cell Power System

Renewable energy (RE) has become a focal point of interest as an alternative source of energy to the traditional fossil fuel and other energy sources due to the fact that it is more environmentally friendly, abundant and economically feasible. Many countries aggressively promote feed-in tariff schemes and solar photovoltaic (PV) systems have become one of the fastest growing RE sources that can be integrated into the grid distribution network. This paper reviews the recent development of grid-connected PV (GPV) generation systems comprising of several sub-components such as PV modules, DC-DC converter, maximum power point tracking (MPPT) technique, and an inverter. In addition, various grid synchronization and islanding detection methods are elaborated. The future key challenges to build a smart and efficient GPV generation system were also presented.

https://www.mdpi.com/1996-1073/13/17/4279/pdf

Grid-Connected PV Generation System—Components and Challenges: A Review

To tap maximum available power from a non-linear energy source such as solar panel, maximum power point tracking (MPPT) algorithms are used. This paper presents an improvised version of fraction open circuit voltage based MPPT algorithm. Maximum power point of non-linear input source varies with various parameters. In the case of a solar panel, maximum power point fluctuates based on the variations in the temperature and light intensity. Hence the conventional fractional open circuit voltage based MPPT algorithm fails to extract maximum available power from the system. Based on the new algorithm presented in this paper, maximum power point tracking is possible even during the variation of temperature and irradiance received in the solar panel. Algorithm is implemented using a 250W solar panel and results are discussed in the later section of the paper.

https://ijrer.com/index.php/ijrer/article/download/5899/pdf

Design and Implementation of Improved Fractional Open Circuit Voltage Based Maximum Power Point Tracking Algorithm for Photovoltaic Applications

Providing stable voltage at nominal level according to universally accepted standards is a primary concern of any public electricity network.  In a renewable energy fed power electronic based DC microgrid system, renewable sources can have fluctuating power characteristics due to various environmental factors. In such an environment, chances of voltage instability are highly probable due to varying power nature of renewable sources and loads connected. In this paper, a bidirectional converter connected with battery storage is controlled based on the voltage of the micro grid in order to tackle the aforementioned problem. A selector based control algorithm in conjunction with proportional integral controller is used to trigger the bidirectional converter. Proposed control technique is simulated and implemented in a 60V DC microgrid and results are analysed.

https://www.ijrer.ijrer.org/index.php/ijrer/article/download/7509/pdf

Control of Bidirectional DC-DC Converter in Renewable based DC Microgrid with Improved Voltage Stability

The DC Microgrid concept has been flourishing in the recent times due to its intrinsic advantages like Renewable Energy Source (RES) compatibility, easier integration with storage utilities through Power Electronic Converters (PECs) and distributed loads. In-depth researches are going on in this field, as the concept of DC Grid can be considered as a master foundation in the realization of Smart Grid (SG) technologies. To achieve this, a number of constraints such as voltage regulation, islanding detection, allowable transient levels, etc. are to be met in accordance with globally accepted standards. The system should have a proper control scheme to keep the things reliable, fault-free and interoperable. In order to meet the constraints as per globally recognized standards, quite a few classes of control algorithms are adopted namely, Centralized, Decentralized and Distributed control. A standardized review of these control strategies is discussed as part of this work. A comparative study among these techniques is made so as to help a designer to choose the apt technique for controlling the microgrid.

https://www.ijrer.com/index.php/ijrer/article/download/9671/pdf

A Review on DC Microgrid Control Techniques, Applications and Trends

Developing countries are struggling to meet the electric power demands of fast expanding economies Added to this is the poor infrastructure which has not kept pace with the increasing demand Quality of supply too is gaining in importance Poor metering and billing has rendered huge losses for utilities Tampering and fraud is also rampant Introducing Advanced Metering Infrastructure will go a long way in mitigating many of these problems This paper details the development of Advanced Metering Infrastructure incorporating features to monitor supply parameters and perform functions like real time billing and alerts against overvoltage and overcurrent The proposed meter is to utilize the capabilities of ADE7758 IC as well as microcontrollers such as ATMega16

Advanced digital smart meter for dynamic billing, tamper detection and consumer awareness

Maximum power point tracking is a method to trap maximum available power from a solar panel. Many algorithms have been developed based on the characteristics of solar panel in order to utilize maximum available power. But these algorithms do not consider local maxima and minima in the solar panel characteristics caused due to shading. In this paper an enhanced version of Perturb and Observe maximum power point tracking algorithm is explained which also considers local maxima and minima caused by shading and makes the solar panel to work at its peak maxima. This helps in improving the overall efficiency of the system. Algorithm is implemented on 50W solar panel using ATMega 8 microcontroller and a boost converter.

K R Bharath

Papers

Design and Implementation of Improved Fractional Open Circuit Voltage Based Maximum Power Point Tracking Algorithm for Photovoltaic Applications

Control of Bidirectional DC-DC Converter in Renewable based DC Microgrid with Improved Voltage Stability

A Review on DC Microgrid Control Techniques, Applications and Trends

Advanced digital smart meter for dynamic billing, tamper detection and consumer awareness

Implementation of enhanced perturb and observe maximum power point tracking algorithm to overcome partial shading losses