Study and handling methods of power igbt module failures in power electronic converter systems
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I3E Technologies, #23/A, 2nd Floor SKS Complex, Opp. Bus Stand, Karur-639 001. IEEE PROJECTS AVAILABLE, NON-IEEE PROJECTS AVAILABLE, APPLICATION BASED PROJECTS AVAILABLE, MINI-PROJECTS AVAILABLE. Mobile : 99436 99916, 99436 99926, 99436 99936 Mail ID: i3eprojectskarur@gmail.com Web: www.i3etechnologies.com, www.i3eprojects.com
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Abstract
Electromagnetic compatibility of power electronic systems becomes an engineering discipline and it should be considered at the
beginning stage of a design. Thus, a power electronics design becomes more complex and challenging and it requires a good
communication between EMI and Power electronics experts. Three major issues in designing a power electronic system are Losses,
EMI and Harmonics. These issues affect system cost, size, efficiency and quality and it is a tradeoff between these factors when we
design a power converter, filter. In this paper the EMC model is discussed which should be considered while designing the power
electronics systems. The design considerations in this paper help us to remove losses, harmonics & EMI elimination and power
quality improvement of Power systems.
Index Terms: Converter, EMI, EMC, Filter, Harmonics
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Single-ended primary-inductor converter (SEPIC) was considered a good alternative to a DC-DC converter for photovoltaic (PV) systems. The SEPIC converter can operate with an input voltage greater or less than the regulated output voltage, or as a step-up or step-down. As a step-up converter, SEPIC boosts PV voltage to specific levels. However, gain limitation and voltage stress continue to reduce the efficiency of conventional SEPIC converters. Because of this, researchers created a modified SEPIC converter to improve performance. In this paper, six modified SEPIC converters were compared and evaluated. To compare fairly, all modified SEPIC converters are nonisolated and use a single switch. Power simulator (PSIM) software was used to simulate each converter with a BISOL BMO-250 PV module and maximum power point tracking (MPPT) P&O controller. The converter with the highest static voltage gain and lowest duty cycle has been identified. It results in up to ten times voltage increment with a 0.8-duty ratio. All topologies have the same voltage stress, with maximum and minimum values of 30.1 and 29.5 V, respectively. On the other hand, each topology produces different average efficiencies, with the highest and lowest efficiency at 99.5% and 97.2%, respectively.
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1) The document presents a Phase Shifted Full Bridge converter with a hybrid energy storage system of batteries and supercapacitors for use in electric vehicles.
2) A control strategy is proposed to utilize the different energy storage devices efficiently depending on the vehicle's speed. The supercapacitor is used at high speeds and the battery is used at normal speeds.
3) The Phase Shifted Full Bridge converter provides DC-DC conversion and allows zero voltage switching for high efficiency. Simulations of the converter and control system were performed in MATLAB/Simulink.
J010346786
This document summarizes a study that optimizes PID controller parameters for load frequency control in a four-area interconnected power system using particle swarm optimization. The four-area system includes thermal, thermal with reheat, hydro, and gas power plants. PID controllers are used for each area. Particle swarm optimization is used to minimize the integral of squared error performance index by optimizing the PID parameters. Simulation results in MATLAB/Simulink demonstrate improved regulation of frequency deviations and tie-line power flows with the optimized PID controllers.
IRJET - Design of Power Converters for Renewable Energy Sources and Electric ...
This document discusses the design of three power converters for renewable energy applications:
1. A reversible voltage inverter for an energy storage system, with a liquid cooling system and 70 kW output.
2. A power inverter for solar power plants, converting AC to DC for battery charging and vice versa, with 60 kW output.
3. A fast charger for electric vehicles with a 70 kW three-arm DC buck converter and liquid cooling system.
Numerical simulations were used to analyze power losses in the fast charger converter. The converters use IGBT modules and liquid cooling systems, and are controlled by digital signal processors.
The Voltage Fed Series Compensation Based ZVZCS Topology and Its Tuning Metho...
This document summarizes a research paper on a proposed zero-voltage zero-current switching (ZVZCS) topology and tuning method for a wireless electric vehicle battery charger. Some key points:
- The proposed topology aims to achieve both ZVS and ZCS for all power transfers to improve efficiency for inductive power transfer systems used for wireless EV charging.
- The topology utilizes an existing L-C compensation network along with auxiliary components to achieve ZVS and ZCS. This allows for a constant output voltage even with wide input voltage variations.
- MATLAB/Simulink simulations validate the operating principle and show ZVS turn-on for switches S1-S4 and ZCS turn-on for
energies-15-07177-v2.pdf
This document reviews optimization techniques for improving the efficiency of electric energy systems and grid operating modes. It discusses common optimization problems in the energy sector such as selecting equipment configurations, distributing loads between power sources, and improving energy resource efficiency. The document outlines conventional optimization methods used, including minimizing energy losses, costs, and power outages. It also describes original mathematical models developed by scientists for optimizing specific power facilities. The review concludes by discussing software tools used to forecast and correct operating modes in the electric power industry.
ENERGY MANAGEMENT SYSTEM IN MICROGRID: A REVIEW
This document provides a review of energy management systems in microgrids. It discusses how energy management systems can help integrate renewable energy resources and reduce greenhouse gas emissions from fossil fuel power generation. The review classifies different approaches to energy management, including control strategies for emissions reduction, energy storage optimization techniques, and methods for reducing energy costs. It also examines demand response management strategies to encourage local power consumption from renewable sources. The document concludes by stating this review provides direction for future research in microgrid energy management.
IRJET- Optimal Control of Multilevel Inverter to Minimize Harmonic Distortion...
This document summarizes research on using multilevel inverters to minimize harmonic distortion from photovoltaic power generation arrays. It discusses 2-level, 3-level, 5-level and 7-level inverters and compares their performance. Selective harmonic elimination is also covered as a control strategy to reduce harmonic content by pre-determining switching angles. The document aims to show that multilevel inverters can help integrate renewable energy sources onto the grid more efficiently with lower voltage and current stresses on semiconductor switches.
IRJET- Impact and Control Study of LV Communication Networks with PV Pene...
This document summarizes a study on the impact and control of low voltage communication networks with photovoltaic-integrated microgrids. The study designs a new smart microgrid system model using power line communication infrastructure. It contains distributed energy resources like photovoltaics and electric vehicles. The system is simulated in Matlab. Simulation results examine power quality under different microgrid situations when integrating photovoltaics as a distributed resource.
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Studies On Switching Losses In Electric Vehicle Drive Train System
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IRJET- Grid Interfacing of Pv/Battery Hybrid Energy Conversion System with Po...
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A Novel Multi Level Converter Unified Power – Quality (MC-UPQC) Conditioning ...
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This document outlines the sections and contents for a project report on designing a low-voltage low-dropout regulator. It includes sections for an abstract, introduction, literature survey, existing and proposed systems, advantages, requirements, diagrams, implementation, testing, conclusions, and references. Contact information and course offerings are also provided for i3e Technologies.
An efficient constant multiplier architecture based on vertical horizontal bi...
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Aging aware reliable multiplier design with adaptive hold logic
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A combined sdc sdf architecture for normal i o pipelined radix-2 fft
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Reverse converter design via parallel prefix adders novel components, method...
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Pre encoded multipliers based on non-redundant radix-4 signed-digit encoding
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Energy optimized subthreshold vlsi logic family with unbalanced pull up down ...
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Single inductor dual-output buck–boost power factor correction converter
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Reliability evaluation of conventional and interleaved dc–dc boost converters
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Power factor corrected zeta converter based improved power quality switched m...
The document describes a proposed switched mode power supply (SMPS) system that uses a front-end power factor corrected Zeta converter to improve power quality. The front-end converter reduces 100-Hz ripple and improves power factor and voltage regulation. Simulation and testing of a laboratory prototype showed the proposed SMPS enhanced performance under varying input voltages and loading conditions, meeting international power quality standards.
Pfc cuk converter fed bldc motor drive
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Optimized operation of current fed dual active bridge dc dc converter for pv ...
This document discusses optimized operation of a current-fed dual active bridge DC-DC converter for photovoltaic applications. It analyzes the operating principle and soft-switching conditions over a wide operating range with phase shift and duty cycle control. An optimized operating mode is proposed to achieve minimum RMS transformer current and extend the soft-switching region to reduce losses. Experimental results from a 5 kW hardware prototype verify the analysis. Contact and location information is also provided for an organization that develops IEEE software and hardware projects.
Online variable topology type photovoltaic grid-connected inverter
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An efficient constant multiplier architecture based on vertical horizontal bi...
An efficient constant multiplier architecture based on vertical horizontal bi...
Aging aware reliable multiplier design with adaptive hold logic
Aging aware reliable multiplier design with adaptive hold logic
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A high performance fir filter architecture for fixed and reconfigurable appli...
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A combined sdc sdf architecture for normal i o pipelined radix-2 fft
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ACEP Magazine edition 4th launched on 05.06.2024
This document provides information about the third edition of the magazine "Sthapatya" published by the Association of Civil Engineers (Practicing) Aurangabad. It includes messages from current and past presidents of ACEP, memories and photos from past ACEP events, information on life time achievement awards given by ACEP, and a technical article on concrete maintenance, repairs and strengthening. The document highlights activities of ACEP and provides a technical educational article for members.
Harnessing WebAssembly for Real-time Stateless Streaming Pipelines
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of the interconnection of these networks, which makes them vulnerable to a variety of cyberattacks. To
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Car accident rates have increased in recent years, resulting in losses in human lives, properties, and other financial costs. An embedded machine learning-based system is developed to address this critical issue. The system can monitor road conditions, detect driving patterns, and identify aggressive driving behaviors. The system is based on neural networks trained on a comprehensive dataset of driving events, driving styles, and road conditions. The system effectively detects potential risks and helps mitigate the frequency and impact of accidents. The primary goal is to ensure the safety of drivers and vehicles. Collecting data involved gathering information on three key road events: normal street and normal drive, speed bumps, circular yellow speed bumps, and three aggressive driving actions: sudden start, sudden stop, and sudden entry. The gathered data is processed and analyzed using a machine learning system designed for limited power and memory devices. The developed system resulted in 91.9% accuracy, 93.6% precision, and 92% recall. The achieved inference time on an Arduino Nano 33 BLE Sense with a 32-bit CPU running at 64 MHz is 34 ms and requires 2.6 kB peak RAM and 139.9 kB program flash memory, making it suitable for resource-constrained embedded systems.
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image analysis and enhance healthcare outcomes. This research paves the way
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imaging, emphasizing addressing false positives and resource efficiency.
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### How TDM Works
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4. **Multiplexer and Demultiplexer**: At the transmitting end, a multiplexer combines multiple input signals into a single composite signal by assigning each signal to a specific time slot. At the receiving end, a demultiplexer separates the composite signal back into individual signals based on their respective time slots.
### Types of TDM
1. **Synchronous TDM**: In synchronous TDM, time slots are pre-assigned to each signal, regardless of whether the signal has data to transmit or not. This can lead to inefficiencies if some time slots remain empty due to the absence of data.
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### Applications of TDM
- **Telecommunications**: TDM is extensively used in telecommunication systems, such as in T1 and E1 lines, where multiple telephone calls are transmitted over a single line by assigning each call to a specific time slot.
- **Digital Audio and Video Broadcasting**: TDM is used in broadcasting systems to transmit multiple audio or video streams over a single channel, ensuring efficient use of bandwidth.
- **Computer Networks**: TDM is used in network protocols and systems to manage the transmission of data from multiple sources over a single network medium.
### Advantages of TDM
- **Efficient Use of Bandwidth**: TDM all
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