This document contains information about electrical projects from 2014 and 2015 published by Asoka Technologies. It lists 20 projects from 2014 and 7 projects from 2015 related to topics such as DC-DC converters, inverters, active filters, renewable energy applications, motor drives, and flexible AC transmission systems. Contact information is provided for Asoka Technologies including their phone number, email address and website.
We Offer M-Tech/M.E,B- Tech/BE,Diploma,engineering and MS Mini and Major projects IEEE projects , final year projects , academic projects, live projects For ECE, EEE, CSE, IT, Mechanical and Civil. Domains Like Embedded Systems( Arduino based, ARM based, raspberry pi based, Internet Of Things (IOT) Based and microcontroller based), VLSI, Image Processing, DIP/DSP, Power Systems, Power Electronics, AUTOCAD, CATIA, Structural Engineering Projects, Transportation Engineering, Geo-Technical Engineering, Construction Technology, Environmental Engineering, aeronautical engineering projects, agricultural engineering projects, ANDROID, JAVA, PHP, CLOUD COMPUTING, C, C++ Language Programming Classes, .NET. BBA Projects for Finance, Marketing and HR ,MBA Projects for Finance, Marketing and HR. MHM Projects,M.com Projects,Msc Projects,B.sc (Bsc) Projects , school science fair projects/ science fair projects for high school,M-Tech/ME and MBA project documentation/project report/project base paper plagiarism checking and Improvement, paper writing and international journal paper publication services for all branches. Internship for MBA Finance, Marketing and HR students. seminar topics for ece,eee,cse/IT,mechanical,civil,We Providing Industrial Training for B- tech/Diploma/Polytechnic Students.MCA/BSC Projects. B-Tech/BE/Diploma Tuitions for ECE, EEE, CSE, IT, MECHANICAL, CIVIL. 10th tuition and inter MPC 1st year and 2nd year tuition, Class XI – XII Tuitions, Projects Training we deal. National Institute Of Technical Service Center NITSC, Dilsukhnagar, chaitanyapuri, kothapet, Hyderabad, Telangana.
NITSC is one of the foremost Engineering, Project Management, Reliability and Mission Assurance as well as Guidance in Academic Projects. We differentiate ourselves from our competition by integrating unique-leading quantitative risk management methodologies into every project to provide superior-quality products and services on time and within budget. NITSC focuses on solving industries most complex technical challenges and other creative knowledge from various top-notch teams of engineers, professional Tutors to make academic projects much easy.
ASOKA TECHNOLOGIES
(B.TECH/M.TECH ELECTRICAL PROJECTS USING MATLAB/SIMULINK)
WE OFFER ACADEMIC MATLAB SIMULATION PROJECTS FOR
1. ELECTRICAL AND ELECTRONICS ENGINEERING [EEE]
2. POWER ELECTRONICS AND DRIVES [PED]
3. POWER SYSTEMS [PS]….etc
We will develop your OWN IDEAS and your IEEE Papers with extension if necessary and also we give guidance for publishing papers…
For Further Details Call Us @
0-9347143789/9949240245
For Abstracts of IEEE papers and for any Queries mail to: asokatechnologies(gmail) and also visit asokatechnologies(blogspot)
Real time implementation of a packed u-cell seven-levelAsoka Technologies
In this paper a new cascaded nonlinear controller has been designed and implemented on the packed U-Cell (PUC) seven-level inverter. Proposed controller has been designed based on a simplified model of PUC inverter and consists of a voltage controller as outer loop and a current controller as inner loop. The outer loop regulates the PUC inverter capacitor voltage as the second DC bus. The inner loop is in charge of controlling the flowing current which is also used to charge and discharge that capacitor. The main goal of the whole system is to keep the DC capacitor voltage at a certain level results in generating a smooth and quasi-sine-wave 7-level voltage waveform at the output of the inverter with low switching frequency. The proposed controller performance is verified through experimental tests. Practical results prove the good dynamic performance of the controller in fixing the PUC capacitor voltage for various and variable load conditions and yet generating low harmonic 7-level voltage waveform to deliver power to the loads. Operation as an uninterruptible power supply (UPS) or AC loads interface for photovoltaic energy conversion applications is targeted.
We Offer M-Tech/M.E,B- Tech/BE,Diploma,engineering and MS Mini and Major projects IEEE projects , final year projects , academic projects, live projects For ECE, EEE, CSE, IT, Mechanical and Civil. Domains Like Embedded Systems( Arduino based, ARM based, raspberry pi based, Internet Of Things (IOT) Based and microcontroller based), VLSI, Image Processing, DIP/DSP, Power Systems, Power Electronics, AUTOCAD, CATIA, Structural Engineering Projects, Transportation Engineering, Geo-Technical Engineering, Construction Technology, Environmental Engineering, aeronautical engineering projects, agricultural engineering projects, ANDROID, JAVA, PHP, CLOUD COMPUTING, C, C++ Language Programming Classes, .NET. BBA Projects for Finance, Marketing and HR ,MBA Projects for Finance, Marketing and HR. MHM Projects,M.com Projects,Msc Projects,B.sc (Bsc) Projects , school science fair projects/ science fair projects for high school,M-Tech/ME and MBA project documentation/project report/project base paper plagiarism checking and Improvement, paper writing and international journal paper publication services for all branches. Internship for MBA Finance, Marketing and HR students. seminar topics for ece,eee,cse/IT,mechanical,civil,We Providing Industrial Training for B- tech/Diploma/Polytechnic Students.MCA/BSC Projects. B-Tech/BE/Diploma Tuitions for ECE, EEE, CSE, IT, MECHANICAL, CIVIL. 10th tuition and inter MPC 1st year and 2nd year tuition, Class XI – XII Tuitions, Projects Training we deal. National Institute Of Technical Service Center NITSC, Dilsukhnagar, chaitanyapuri, kothapet, Hyderabad, Telangana.
NITSC is one of the foremost Engineering, Project Management, Reliability and Mission Assurance as well as Guidance in Academic Projects. We differentiate ourselves from our competition by integrating unique-leading quantitative risk management methodologies into every project to provide superior-quality products and services on time and within budget. NITSC focuses on solving industries most complex technical challenges and other creative knowledge from various top-notch teams of engineers, professional Tutors to make academic projects much easy.
ASOKA TECHNOLOGIES
(B.TECH/M.TECH ELECTRICAL PROJECTS USING MATLAB/SIMULINK)
WE OFFER ACADEMIC MATLAB SIMULATION PROJECTS FOR
1. ELECTRICAL AND ELECTRONICS ENGINEERING [EEE]
2. POWER ELECTRONICS AND DRIVES [PED]
3. POWER SYSTEMS [PS]….etc
We will develop your OWN IDEAS and your IEEE Papers with extension if necessary and also we give guidance for publishing papers…
For Further Details Call Us @
0-9347143789/9949240245
For Abstracts of IEEE papers and for any Queries mail to: asokatechnologies(gmail) and also visit asokatechnologies(blogspot)
Real time implementation of a packed u-cell seven-levelAsoka Technologies
In this paper a new cascaded nonlinear controller has been designed and implemented on the packed U-Cell (PUC) seven-level inverter. Proposed controller has been designed based on a simplified model of PUC inverter and consists of a voltage controller as outer loop and a current controller as inner loop. The outer loop regulates the PUC inverter capacitor voltage as the second DC bus. The inner loop is in charge of controlling the flowing current which is also used to charge and discharge that capacitor. The main goal of the whole system is to keep the DC capacitor voltage at a certain level results in generating a smooth and quasi-sine-wave 7-level voltage waveform at the output of the inverter with low switching frequency. The proposed controller performance is verified through experimental tests. Practical results prove the good dynamic performance of the controller in fixing the PUC capacitor voltage for various and variable load conditions and yet generating low harmonic 7-level voltage waveform to deliver power to the loads. Operation as an uninterruptible power supply (UPS) or AC loads interface for photovoltaic energy conversion applications is targeted.
SAI PROCORP PROVIDING BEST SOLUTIONS AND SERVICE ON MATLAB AND VLSI ESPECIALLY. WE RELEASED 2014 LIST FOR EEE STUDENTS WHO ARE INTERESTED TO DO INNOVATIVE PROJECTS. PLEASE SHARE THIS AND GET KNOWLEDGE.
Dual Mode Control of Grid Connected Photovoltaic SystemRavindra Kuhada
As increased of PV system, High PV penetration issues are generated, so CPG is one method to limit the maximum power output from PV without need of extra cost and extra grid, and decrease the high PV penetration issues by modifying with the MPPT algorithm by perturb and observe method after that PV system connected to grid with unit template method.
Grid Connected Solar Photovoltaic Array with MPPT Matlab Simulationijtsrd
Now a days, due to the problem of generation of electricity and consumption required is not sufficient so, solar generation system is essential. Nowadays, with generates electricity to match the required demand. So this paper is important. Here using, 1 Soltech 1STH 215 P solar panel in SIMULINK. In this paper we are control the renewable energy based solar photovoltaic system using MATLAB. The grid connected MATLAB model is studied under solar radiation and changing weather condition. In this we generate excess amount of electricity and send to the utility grid. Here we used MPPT technique which is implemented in DC DC step up converter to permit P V module to give power at maximum power point. The output of this converter is given to the 3 level inverter and it synchronized the utility grid. Payal Ganvir | Radharaman Shaha ""Grid Connected Solar Photovoltaic Array with MPPT Matlab Simulation"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23832.pdf
Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/23832/grid-connected-solar-photovoltaic-array-with-mppt-matlab-simulation/payal-ganvir
ICPCCI19_CPG-UVT BASED GRID CONNECTED PV SYSTEMRavindra Kuhada
This upload contains grid connected PV system with unit vector template method which is used to control PV inverter. A control strategy, constant power generation is used to control the power of the PV system with a dc-dc converter while high PV genetration is being issued. Therefore, PV penetration is limited
with CPG control technique without using any extra requirement e.g. extra grid or battery storage. With the MATLAB/SIMULINK, Simulation is carried out for a grid-connected PV system by constant power generation (active power control) and unit vector template method is used as an inverter control technique for grid synchronizing.
IEEE 2015-15 Power Electronics and Power System Project titles for ME and BE Students,Bangalore.power electronics and power system projects in bangalore.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
SAI PROCORP PROVIDING BEST SOLUTIONS AND SERVICE ON MATLAB AND VLSI ESPECIALLY. WE RELEASED 2014 LIST FOR EEE STUDENTS WHO ARE INTERESTED TO DO INNOVATIVE PROJECTS. PLEASE SHARE THIS AND GET KNOWLEDGE.
Dual Mode Control of Grid Connected Photovoltaic SystemRavindra Kuhada
As increased of PV system, High PV penetration issues are generated, so CPG is one method to limit the maximum power output from PV without need of extra cost and extra grid, and decrease the high PV penetration issues by modifying with the MPPT algorithm by perturb and observe method after that PV system connected to grid with unit template method.
Grid Connected Solar Photovoltaic Array with MPPT Matlab Simulationijtsrd
Now a days, due to the problem of generation of electricity and consumption required is not sufficient so, solar generation system is essential. Nowadays, with generates electricity to match the required demand. So this paper is important. Here using, 1 Soltech 1STH 215 P solar panel in SIMULINK. In this paper we are control the renewable energy based solar photovoltaic system using MATLAB. The grid connected MATLAB model is studied under solar radiation and changing weather condition. In this we generate excess amount of electricity and send to the utility grid. Here we used MPPT technique which is implemented in DC DC step up converter to permit P V module to give power at maximum power point. The output of this converter is given to the 3 level inverter and it synchronized the utility grid. Payal Ganvir | Radharaman Shaha ""Grid Connected Solar Photovoltaic Array with MPPT Matlab Simulation"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23832.pdf
Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/23832/grid-connected-solar-photovoltaic-array-with-mppt-matlab-simulation/payal-ganvir
ICPCCI19_CPG-UVT BASED GRID CONNECTED PV SYSTEMRavindra Kuhada
This upload contains grid connected PV system with unit vector template method which is used to control PV inverter. A control strategy, constant power generation is used to control the power of the PV system with a dc-dc converter while high PV genetration is being issued. Therefore, PV penetration is limited
with CPG control technique without using any extra requirement e.g. extra grid or battery storage. With the MATLAB/SIMULINK, Simulation is carried out for a grid-connected PV system by constant power generation (active power control) and unit vector template method is used as an inverter control technique for grid synchronizing.
IEEE 2015-15 Power Electronics and Power System Project titles for ME and BE Students,Bangalore.power electronics and power system projects in bangalore.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
M.E/M.TECH IEEE PED PROJECTS @ TRICHY TRIPLE N INFOTECH.subhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021403/04.
Ieee 2015 16 ped titles for me-mtech @triple n infotec-trichysubhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021404.
M.E/M.TECH IEEE POWERPROJECTS @ TRICHY TRIPLE N INFOTECH.subhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021403/04.
M.E/M.TECH IEEE PED PROJECTS @ TRICHY TRIPLE N INFOTECH.subhu8430
Triple N Infotech Provides Project Support to Students of all departments in the field of EMBEDDED SYSTEM, DIP, VLSI, NS2, JAVA, DOTNET, POWER ELECTRONICS, POWER SYSTEM and much more technologies. This project Assistance would help enhance the student knowledge in the appropriate field, thus making them more adapt to the current market scenario.
TRIPLE N INFOTECH
73/5,3rd FLOOR,SRI KAMATCHI COMPLEX
OPP.CITY HOSPITAL (NEAR LAKSHMI COMPLEX)
SALAI ROAD,Trichy - 620 018,
Ph: 0431 4050403, 7200021403/04.
Best EEE projects for Electrical engineering final year students, Electrical projects ideas for final year EEE, ECE, EIE students. For more projects check my blog : http://microcontrollerslab.com/electrical-projects-ideas/
Of late, electric vehicles (EVs) have attracted much attention owing to their use of clean energy. Large progress in lithium-ion battery has propelled the development of EVs.However, the challenge is that growing number of EVs leads to huge demand in electric power, which will aggravate the power grid load. This leads to an exploration for alternative and clean sources of energy to charge EVs. This project implements solar energy system to erect a charging station for EV application. The charging station employs multi-port charging by providing a constant voltage DC bus. The charging controllers are operated based on the concept of power balance, and constant current/constant voltage charging. Performance of the charging system is validated with simulation and experimental results.
Generation of Higher Number of Voltage Levels by Stacking Inverters of Lower ...Asoka Technologies
This paper proposes a new method of generating higher number of levels in the voltage waveform by stacking multilevel converters with lower voltage space vector structures. An important feature of this stacked structure is the use of low voltage devices while attaining higher number of levels. This will find extensive applications in electric vehicles since direct battery drive is possible. The voltages of all the capacitors in the structure can be controlled within a switching cycle using the switching state redundancies (pole voltage redundancies). This helps in reducing the capacitor size. Also, the capacitor voltages can be balanced irrespective of modulation index and load power factor. To verify the concept experimentally, a 9-level inverter is developed by stacking two 5-level inverters and an induction motor is run using V/f control scheme. Both steady state and transient results are presented.
Novel symmetric modular hybrid multilevel inverter with reduced number of sem...Asoka Technologies
In this paper, by using a modular hybrid structure, a new topology for symmetric multilevel inverters (MLI) with a small number of semiconductors and low voltage stress across switches is proposed. Despite many other topologies, this topology can inherently produce negative levels and zero levels without using the H-bridge. The voltage stress across a particular switch of the proposed MLI is inversely proportional to the number of the switching of that switch in a voltage period. The proposed structure is based on two types of module, that is, the f-module and the e-module. The e-module uses a capacitive voltage divider to double the number of non-zero levels. The voltages of the capacitors are approximately balanced without complex control methods. The basic structure of the proposed topology is formed by connecting the f-module and the e-module in series with each other, and the cascaded topology is developed by cascading multiple f-modules with an e-module. To investigate the proposed topology and proving its practicability, simulation results with MATLAB/Simulink, investigation of the capacitor voltages, loss calculations and experimental results are presented. A comparative study is also performed to show the merit of the new multilevel inverter over other topologies.
A Variable DC Link based Novel Multilevel Inverter Topology for Low Voltage A...Asoka Technologies
In this paper; a variable dc link based novel multilevel inverter (MLI) topology is proposed. This proposed topology comprises two variable dc links and a modified H-bridge unit. This new single-phase topology offers advantages such as reduction in count of switches; gate drivers and dc sources while simultaneously improving the power quality. The proposed topology has been analyzed for both symmetric and asymmetric modes of operation. A comparative study of the proposed topology with some recent MLI topologies has been presented. The comparative study indicates that the proposed topology requires less number of dc sources; switches and driver circuits as compared to other topologies. The proposed topology has been simulated for 31- level asymmetric configuration in MATLAB/SIMULINK environment to verify the proper operation of proposed topology. Harmonic analysis was also performed for 31-level inverter which showed significant reduction in the total harmonic distortion (THD) for phase voltage and current waveforms. The proposed topology is suitable for low voltage applications such as standalone photovoltaic (PV) systems and hybrid electric vehicles (HEVs).
A Simplified Space Vector Pulse-Width Modulation Scheme for Three-Phase Casca...Asoka Technologies
A simplified space vector pulse-width modulation (SVPWM) for three-phase cascaded H-bridge (CHB) inverters is presented in this paper. Treating each unit as a three-level inverter and adopting serial calculation mode, a CHB inverter is modulated unit by unit using three-level SVPWM. Duty cycles of real sector are obtained by mapping duty cycles of sector 1, in which the calculation of three-level SVPWM is done. The process to implement multilevel SVPWM is simplified to the process to implement three-level SVPWM. By reusing FPGA chip resource which is used for the calculation of three-level SVPWM, the presented SVPWM can be easily adopted to a CHB inverter with different number of units, while the FPGA chip resource utilization is reduced significantly. In addition, the presented SVPWM provides an effective switching frequency higher than the switching frequency of IGBTs. Simulation and experimental results are provided to verify the feasibility of the presented SVPWM.
A New Family of Step-up Hybrid Switched- Capacitor Integrated Multilevel Inve...Asoka Technologies
In the low voltage based renewable systems like PV and Fuel cell applications, the step-up of the output voltage to drive the loads is essential. For this, the integration of switched-capacitor (SC) units with the dc-ac converters will have the potential advantages like improved efficiency, optimal switching devices, small size of passive elements (L and C) as compared with traditional two-stage conversion system (dc/dc converter and dc/ac converter). This paper focuses on a new family of step-up multilevel inverter topologies with switched capacitor integration with dual input voltage sources. With the flexibility of 2 dc sources and switching capacitor circuits, four different topologies have been suggested in this paper with features of high voltage gain, reduced component count, reduced voltage stress and self-voltage balancing of the capacitor while achieving a higher number of levels. A detailed analysis of proposed multilevel inverters has been analyzed with the symmetrical and asymmetrical mode of operations and the associated gain, the number of levels, and other performance indices are presented. An in-depth study of all the topologies has been accomplished in this paper with several comparative studies in terms of components count, voltage gain and cost. The effectiveness and practicability of the suggested topology with 13 level output voltage has been explained by the experimental results obtained from a scale down prototype.
A multi cell 21-level hybrid multilevel inverter synthesizes a reduced number...Asoka Technologies
A multi-cell hybrid 21-Level multilevel inverter is proposed in this paper. The proposed topology includes two-unit; an H-bridge is cascaded with a modified K-type unit to generate an output voltage waveform with 21 levels based only on two unequal DC suppliers. The proposed topology's advantage lies in the fine and clear output voltage waveforms with high output efficiency. Meanwhile, the high number of output voltage waveform levels generates a low level of distortion and reduces the level of an electromagnetic interface (EMI). Moreover, it reduces the voltage stress on the switching devices and gives it a long lifetime. Also, the reduction in the number of components has a noticeable role in saving size and cost. Regarding the capacitors charging, the proposed topology presents an online method for charging and balancing the capacitor's voltage without any auxiliary circuits. The proposed topology can upgrade to a high number of output steps through the cascading connection. Undoubtedly this cascading will increase the power level to medium and high levels and reduce the harmonics content to a neglectable rate. The proposed system has been tested through the simulation results, and an experimental prototype based on the controller dSPACE (DS-1103) hardware unit used to support the simulation results.
A generalized multilevel inverter topology with reduction of total standing v...Asoka Technologies
This paper presents a new multilevel inverter topology with reduced active switches and total standing voltage. The proposed topology can generate a high number of voltage levels in the symmetric configuration. This topology intuitively generates positive and negative cycles without an additional H-bridge unit, which considerably reduces the total standing voltage of the inverter. A cascaded structure is developed from the proposed topology to create higher voltage levels. To show the novelty of the proposed topology, a thorough comparison between the available and the proposed topologies in terms of the number of switches, standing voltages, and dc-sources is presented. Furthermore, the power loss analysis is carried out for various load values. The feasibility of the proposed nine-level inverter is verified with simulation and experimental results.
Power Quality Improvement in Solar Fed Cascaded Multilevel Inverter with Outp...Asoka Technologies
The presence of harmonics in solar Photo Voltaic (PV) energy conversion system results in deterioration of power quality. To address such issue, this paper aims to investigate the elimination of harmonics in a solar fed cascaded fifteen level inverter with aid of Proportional Integral (PI), Artificial Neural Network (ANN) and Fuzzy Logic (FL) based controllers. Unlike other techniques, the proposed FLC based approach helps in obtaining reduced harmonic distortions that intend to an enhancement in power quality. In addition to the power quality improvement, this paper also proposed to provide output voltage regulation in terms of maintaining voltage and frequency at the inverter output end in compatible with the grid connection requirements. The simulations are performed in the MATLAB / Simulink environment for solar fed cascaded 15 level inverter incorporating PI, ANN and FL based controllers. To exhibit the proposed technique, a 3 kWp photovoltaic plant coupled to multilevel inverter is designed and hardware is demonstrated. All the three techniques are experimentally investigated with the measurement of power quality metrics along with establishing output voltage regulation.
Residential Community Load Management based on Optimal Design of Standalone H...Asoka Technologies
Microgrids being an important entity in the distribution system, and to get their full advantages
by incorporating maximum distributed generation, standalone hybrid renewable energy systems (HRESs), being environmentally-safe and economically-efficient, are considered as the promising solution to electrify remote areas where the grid power is not available. In this work, a techno-economic investigation with an optimal design of HRES is presented to fulfill the domestic electricity need for a residential area of the Sherani district in the Province of Baluchistan, Pakistan. Nine case studies based on PV/wind/diesel/battery are analyzed based on net present cost (NPC), cost of energy (COE), and emission to decide the feasible solution. HOMER tool is utilized to accomplish modeling and simulation for economic analysis and optimal sizing. Simulation results demonstrated that HRES with PV-wind-battery is the most viable option for the specified area, and the optimal sizing of components are also obtained with $ 28,620 NPC and 0.311 $/kWh COE which shows 81.65% reduction in cost and 100% preserving in toxic emission while fulfilling 100% energy demand with 67.3% of excess energy. Furthermore, MATLAB/Simulink modeling for the optimally designed system is built for technical analysis while its effectiveness is proved by keeping dc and ac buses voltage constant, safe operating range of battery state of charge (SOC) with active power balance between HRES components, as well as efficient ac voltage quality, regardless of generation disturbances and load fluctuations. The output signal has total harmonic distortion (THD) of 0.30% as compared to 5.44% with the conventional control scheme. The novelty lies in the sequential application of both HOMER and MATLAB simulations of the proposed HRES model and validation of the proposition for the studied area; by using and implementing model predictive control (MPC) of a reconfigurable inverter.
Reliability evaluation of MPPT based interleaved boost converter for PV systemAsoka Technologies
The demand for power supply and depletion of the conventional energy sources are increasing drastically. So to overcome this problem, the best alternative power generation for conventional fossil fuel is Photovoltaic solar cell based system because of its advantage of pollution free and its availability in abundance with free of cost. In the MPPT based PV system the converters are the most sensitive part. Therefore to provide uninterrupted power supply without compromising the quality of power, reliability evaluation of interleaved boost converter becomes necessary. MATLAB/Simulink is used for the simulation studies and to determine the power losses of various components of the converter which is used in calculating the failure rates and reliability of the interleaved boost converter. Reliability studies of IBC have not been studied much. However there exists few literature in which reliability expression has been developed using Markov technique which is a more complex method as compare to Reliability Block Diagram (RBD). Therefore this paper proposes reliability modeling and reliability evaluation of Interleaved boost converter in MPPT based photo-voltaic system by using simple RBD method.
Power Quality Improvement of Grid-Connected Photovoltaic Systems Using Trans-...Asoka Technologies
Voltage-source inverter has been used widely in traditional photovoltaic systems which have limitations. To overcome, Z-source inverter has been introduced. In spite of all the features introduced in Z-source inverter, its configuration has been improved over the years, like trans-Z-source inverter which has added advantages compared to traditional inverters, namely buck–boost feature, lesser passive elements, and higher voltage boost gain. In this paper, photovoltaic arrays are connected to the grid via the trans-Z-source inverter with the aim of improving its power quality. Moreover, the shoot through duty ratio is kept constant in the switching control method to add features like lower voltage stress (higher reliability), lower total harmonic distortion (lower maintenance cost), and higher voltage boost ratio. To evaluate the precision of the proposed system, the photovoltaic system is simulated on a standard grid and under partial shading condition which brings about voltage sag, and hence, a dynamic voltage restorer is used to mitigate voltage sag. Simulation results are presented to verify the validation of the proposed photovoltaic system in terms of voltage and current THD reducing 78.2% and 19.7%, respectively.
Power optimisation scheme of induction motor using FLC for electric vehicleAsoka Technologies
In electric vehicles (EVs) and hybrid EVs, energy efficiency is essential where the energy storage is limited. Adding to its high stability and low cost, the induction motor efficiency improves with loss minimisation. Also, it can consume more power than the actual need to perform its working when it is operating in less than full load condition. This study proposes a control strategy based on the fuzzy logic control (FLC) for EV applications. FLC controller can improve the starting current amplitude and saves more power. Through the MATLAB/SIMULINK software package, the performance of this control was verified through simulation. As compared with the conventional proportional integral derivative controller, the simulation schemes show good, high-performance results in time-domain response and rapid rejection of system-affected disturbance. Therefore, the core losses of the induction motor are greatly reduced, and in this way improves the efficiency of the driving system. Finally, the suggested control system is validated by the experimental results obtained in the authors’ laboratory, which are in good agreement with the simulation results.
Power Flow Control of Interconnected AC-DC Microgrids in Grid-Connected Hybri...Asoka Technologies
This paper introduces a new approach for power flow control of interconnected AC-DC microgrids in grid-connected hybrid microgrids based on implementing a modified unified interphase power controller (UIPC). A typical grid-connected hybrid microgrid including one AC microgrid and one DC microgrid is considered as studied system. Instead of using the parallel-connected power converters, these microgrids are interconnected using a modified UIPC. As the first contribution of this paper, the conventional structure of UIPC, which uses three power converters in each phase, is modified so that a reduced number of power converters is implemented for power exchange control between AC-DC microgrids. The modified structure includes one power converter in each phase, named as line power converter (LPC), and a power converter which regulates the DC bus voltage, named as bus power converter (BPC) here. The AC microgrid is connected to the main grid through the LPCs which their DC buses are linked and can operate in capacitance mode (CM) or inductance mode (IM). A fuzzy logic controller is used in the control structure of the LPCs. The fuzzy inference system is optimized based on H∞ filtering method to reduce the errors in membership functions design. Through the BPC, the DC voltage of LPCs is supplied by the DC microgrid. However, since the DC microgrid voltage is provided here by a PV system, the DC link voltage of the LPCs is fluctuating. Thus, as the second contribution, to stabilize the DC link fluctuations, a new nonlinear disturbance observer based robust multiple-surface sliding mode control (NDO-MS-SMC) strategy is presented for DC side control of the BPC. The simulation results confirm the effectiveness of the proposed power flow control strategy of the improved UIPC for hybrid microgrids.
Power flow control of hybrid micro grids using modified uipcAsoka Technologies
Neuro Fuzzy Inference System (ANFIS) controlled modified Unified Inter-Phase Power Controller (UIPC). For study, a classic hybrid micro-grid connected to grid comprising of a AC micro-grid and a DC micro-grid is taken into account. These micro-grids are interconnected employing a modified UIPC, rather than using the power converters connected in parallel. As the first input of this paper is the standard structure of UIPC, which used three power converters in every phase. It was then modified such as number of power converters is used less and implemented for the control of the exchange of power between AC-DC microgrids. In every phase there is one power electronic converter in the improved structure. It is called as Line Power Converter (LPC). Also there is Bus Power Converter (BPC) to regulate the voltage of the DC bus. The Line Power Converters links the AC micro-grid to the main grid. The DC buses are also linked with them. It can be operated in Inductance Mode (IM) as well as Capacitance Mode (CM). The control structure of LPCs has an Adaptive Fuzzy Logic Controller in it. For hybrid micro-grids, the capability of the suggested power flow control strategy is confirmed by the MATLAB simulation results.
Multifunctional grid tied pv system using modified klms controlAsoka Technologies
This paper deals with the modified kernel least mean square (KLMS) control strategy in double-stage, solar photovoltaic (PV) grid tied system to enhance the power quality at common coupling point (CCP). This proposed control algorithm has less oscillations, fast convergence, fast dynamic response and good steady state performance. A control strategy is used to extract the fundamental active current component of load and generates reference grid current for a DC-AC converter. The proposed modified KLMS control mitigates multiple power quality concerns such as harmonics reduction, unity power factor and load balancing. The dynamic performance of proposed system is confirmed into the MATLAB\Simulink environment. Test results on hardware implementation are presented at varying solar irradiation levels and load unbalancing. Test results are found satisfactory and total harmonic distortion (THD) of the grid currents are observed well within the IEEE-519 standard.
Modelling and voltage control of the solar wind hybrid micro-grid with optimi...Asoka Technologies
Electricity generation from the wind and solar photovoltaic (PV) systems are highly dependent upon weather conditions. Their intermittent nature leads to fluctuations in their output. Therefore, the need for rapid compensation for energy transmission and distribution systems is increasingly important. Static Synchronous Compensator (STATCOM) can be adopted for reactive power compensation and for decreasing the voltage fluctuation caused by the system and renewable energy sources. This study presents modelling of a Solar PV-Wind Hybrid Micro-grid and the increase of the stable operating limit of the system in case of the incorporation of STATCOM is examined. The major contribution of this paper is the optimization of gain parameters of four PI controllers in STATCOM control circuit based on genetic algorithms (GA) and Bacteria Foraging Algorithm (BFA) and therefore obtaining better responses and voltage stability in terms of nonlinear nature of solar-wind hybrid micro-grid. The Simulink models of the system architecture include a wind turbine model, a solar PV power system model and a STATCOM. It is certified that the voltage fluctuation at the end of the bus bar is reduced by 8% using conventional PI controller, by 10% for GA-based PI controller, and by 15% for BFA based PI controller under variable load. The results obtained by GA and BFA-based optimization of PI controllers are compared with that of the conventional controller and better results attained.
Irradiance-adaptive PV Module Integrated Converter for High Efficiency and Po...Asoka Technologies
The strive for efficient and cost-effective photovoltaic systems motivated the power electronic design developed here. The work resulted in a DC-DC converter for module integration and distributed maximum power point tracking (MPPT) with a novel adaptive control scheme. The latter is essential for the combined features of high energy efficiency and high power quality over a wide range of operating conditions. The switching frequency is optimally modulated as a function of solar irradiance for power conversion efficiency maximization. With the rise of irradiance, the frequency is reduced to reach the conversion efficiency target. A search algorithm is developed to determine the optimal switching frequency step. Reducing the switching frequency may, however, compromise MPPT efficiency. Furthermore, it leads to increased ripple content. Therefore, to achieve a uniform high power quality at all conditions, interleaved converter cells are adaptively activated. The overall cost is kept low by selecting components that allow for implementing the functions at low cost. Simulation results show the high value of the module integrated converter for DC standalone and microgrid applications. A 400 W prototype was implemented at 0.14 Euro/W. Testing showed efficiencies above 95% taking into account all losses from power conversion, MPPT, and measurement and control circuitry.
Intelligent Power Sharing of DC Isolated Microgrid Based on Fuzzy Sliding Mod...Asoka Technologies
Linear droop control can realize power sharing among generators in DC microgrid without relying on critical communication links. However, the droop relationship between output power and voltage magnitude of renewable power generate system is nonlinear with uncertainties and disturbances from renewable sources and loads in practical DC microgrid. A novel droop scheme is proposed for an isolated DC microgrid to solve the nonlinear problem. The control strategy is proposed by using the Takagi-Sugeno (T-S) fuzzy model and sliding mode algorithm. The nonlinear droop characteristics can be represented by T-S model through taking advantage of locally measured output variables. The sliding mode droop controller is designed for compensating the uncertainties and disturbances to derive accurate power sharing based on T-S fuzzy model. The proposed scheme is proved to be effective under variable operating conditions through PSIM/Matlab simulation.
Implementation of solar pv battery and diesel generator based electric vehic...Asoka Technologies
In this paper, a solar PV (Photovoltaic) array, a battery energy storage (BES), a diesel generator (DG) set and grid based EV charging station (CS) is utilized to provide the incessant charging in islanded, grid connected and DG set connected modes. The charging station is primarily designed to use the solar photovoltaic PV array and a BES to charge the electric vehicle (EV) battery. However, in case of exhausted storage battery and unavailable solar PV array generation, the charging station intelligently takes power from the grid or DG (Diesel Generator) set. However, the power from DG set is drawn in a manner that, it always operates at 80-85% loading to achieve maximum fuel efficiency under all loading conditions. Moreover, in coordination with the storage battery, the charging station regulates the generator voltage and frequency without a mechanical speed governor. It also ensures that the power drawn from the grid or the DG set is at unity power factor (UPF) even at nonlinear loading. Moreover, the PCC (Point of Common Coupling) voltage is synchronized to the grid/ generator voltage to obtain the ceaseless charging. The charging station also performs the vehicle to grid active/reactive power transfer, vehicle to home and vehicle to vehicle power transfer for increasing the operational efficiency of the charging station. The operation of the charging station is experimentally validated using the prototype developed in the laboratory.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
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Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
New academic final year projects for btech and mtech
1. Contact:9347143789 Email:asokatechnologies@gmail.com Website:www.asokatechnologies.in
ASOKA TECHNOLOGIES
2015 IEEE ELECTRICALPROJECTS
1. A High Gain Input-Parallel Output-Series DC/DC Converter with Dual Coupled Inductors
2. A High Step-Up Converter with Voltage-Multiplier Modules for Sustainable Energy
Applications
3. A High Step-Up DC to DC Converter Under Alternating Phase Shift Control for Fuel Cell
Power System
4. High-Efficiency MOSFET Transformer-less Inverter for Non-isolated Micro-inverter
Applications
5. A Multi-Input Bridgeless Resonant AC-DC Converter for Electromagnetic Energy Harvesting
6. A Novel Control Method for Transformer-less H-Bridge Cascaded STATCOM with Star
Configuration
7. A Novel High Step-up DC/DC Converter Based on Integrating Coupled Inductor and
Switched-Capacitor Techniques for Renewable Energy Applications
2014 IEEE ELECTRICALPROJECTS
1. A Modified Three-Phase Four-Wire UPQC Topology With Reduced DC-Link Voltage
Rating
2. FPGA-Based Predictive Sliding Mode Controller of a Three-Phase Inverter
3. Pulsewidth Modulation of Z-Source Inverters With Minimum Inductor Current Ripple
4. Improving the Dynamics of Virtual-Flux-Based Control of Three-Phase Active Rectifiers
5. Sensorless Induction Motor Drive Using Indirect Vector Controller and Sliding-Mode
Observer for Electric Vehicles
6. Back-Propagation Control Algorithm for Power Quality Improvement Using DSTATCOM
7. A Zero-Voltage Switching Three-Phase Inverter
8. Control of Reduced-Rating Dynamic Voltage Restorer With a Battery Energy Storage
System
2. Contact:9347143789 Email:asokatechnologies@gmail.com Website:www.asokatechnologies.in
9. A Combination of Shunt Hybrid Power Filter and Thyristor-Controlled Reactor for Power
Quality
10. A Transformerless Grid-Connected Photovoltaic System Based on the Coupled Inductor
Single-Stage Boost Three-Phase Inverter
11. LCL Filter Design and Performance Analysis for Grid-Interconnected Systems
12. An Inductively Active Filtering Method for Power-Quality Improvement of Distribution
Networks With Nonlinear Loads
13. A Bidirectional-Switch-Based Wide-Input Range High-Efficiency Isolated Resonant
Converter for Photovoltaic Applications
14. Analysis and Implementation of an Improved Flyback Inverter for Photovoltaic AC Module
Applications
15. Speed Sensorless Vector Controlled Induction Motor Drive Using Single Current Sensor
16. A Novel Design and Optimization Method of an LCL Filter for a Shunt Active Power Filter
17. An Active Harmonic Filter Based on One-Cycle Control
18. A Nine-Level Grid-Connected Converter Topology for Single-Phase Transformerless PV
Systems
19. Modeling and Design of Voltage Support Control Schemes for Three-Phase Inverters
Operating Under Unbalanced Grid Conditions
20. Cascaded Two-Level Inverter-Based Multilevel STATCOM for High-Power Applications