. Power contain in the wind is the form of kinetic energy. It is given as following equation as:
P=0.5ρAV^3
Where, ρ= Air density, (kg/m3),
A= Area which is normal to the wind speed (m2),
V = Wind speed (m/s),
P = power of wind
Contigency analysis:
Contingency analysis is a well-known function in modern Energy Management Systems. Contingency Analysis of a power system is a major activity in power system
planning and operation. In general, an outage of one transmission line or transformer may lead to overloads in other branches and/or sudden system voltage
rise or drop. Contingency analysis is used to calculate violations.
Eigen value analysis:
Increasingly, the investigation of the small-signal stability of power systems is considered an important task, complementary to the usual
transient stability investigations. To study the small-signal stability of a power system, eigenvalue analysis is used. In the power systems area,
studying eigenvalues does not have a history as long as that of transient stability analysis and the results are difficult to verify
experimentally. It is therefore important to study the capabilities of a power system dynamics simulation software package used for
small-signal stability analysis carefully, before applying it to practical problems. In this paper, the eigenvalue analysis capabilities
of two power system dynamics simulation software packages are analysed and the results are compared.
Control of a new stand alone wind turbine-based variable speed permanent magn...Asoka Technologies
In this paper a new variable speed permanent magnet synchronous generator (PMSG)-based stand-alone wind energy conversion system (SWECS) is proposed. The interface between the PMSG and the isolated load is accomplished by a quasi-Z-source inverter (qZSI) with battery storage system. The battery-assisted qZSI can balance the stochastic fluctuations of the wind power injected to the load and improve the voltage and frequency control. In addition to the battery storage, a dump load is used in the proposed SWECS to better maintain the active power balance and stability of the dc-link voltage during over-generation condition as well as sudden load changes. The proposed control system is able to provide an uninterrupted and reliable supply to sensitive loads under various power generation scenarios of the SWECS and sudden changes in the load demand. Moreover, the proposed controller provides maximum power point tracking (MPPT) which is essential for optimum operation of the SWECS. The validity of the proposed system is proved by simulation results carried out using MATLAB/ SIMULINK.
Novel modular multiple input bidirectional dc–dc power converter (mipc) for h...IISTech2015
Novel modular multiple input bidirectional dc–dc power converter (mipc) for hev or fcv application,2015 Power Electronics Projects Training
Contact: IIS TECHNOLOGIES
ph:9952077540,landline:044 42637391
mail:info@iistechnologies.in
www.iistechnologies.in
Control Scheme for a Stand-Alone Wind Energy Conversion SystemRoja Rani
Energy is the considered to be the pivotal input for development.
At present owing to the depletion of available conventional resources and concern regarding environmental degradation, the renewable sources are being utilized to meet the ever increasing energy demand.
Due to a relatively low cost of electricity production wind energy is considered to be one of the potential sources of clean energy for the future.
Control of a new stand alone wind turbine-based variable speed permanent magn...Asoka Technologies
In this paper a new variable speed permanent magnet synchronous generator (PMSG)-based stand-alone wind energy conversion system (SWECS) is proposed. The interface between the PMSG and the isolated load is accomplished by a quasi-Z-source inverter (qZSI) with battery storage system. The battery-assisted qZSI can balance the stochastic fluctuations of the wind power injected to the load and improve the voltage and frequency control. In addition to the battery storage, a dump load is used in the proposed SWECS to better maintain the active power balance and stability of the dc-link voltage during over-generation condition as well as sudden load changes. The proposed control system is able to provide an uninterrupted and reliable supply to sensitive loads under various power generation scenarios of the SWECS and sudden changes in the load demand. Moreover, the proposed controller provides maximum power point tracking (MPPT) which is essential for optimum operation of the SWECS. The validity of the proposed system is proved by simulation results carried out using MATLAB/ SIMULINK.
Novel modular multiple input bidirectional dc–dc power converter (mipc) for h...IISTech2015
Novel modular multiple input bidirectional dc–dc power converter (mipc) for hev or fcv application,2015 Power Electronics Projects Training
Contact: IIS TECHNOLOGIES
ph:9952077540,landline:044 42637391
mail:info@iistechnologies.in
www.iistechnologies.in
Control Scheme for a Stand-Alone Wind Energy Conversion SystemRoja Rani
Energy is the considered to be the pivotal input for development.
At present owing to the depletion of available conventional resources and concern regarding environmental degradation, the renewable sources are being utilized to meet the ever increasing energy demand.
Due to a relatively low cost of electricity production wind energy is considered to be one of the potential sources of clean energy for the future.
Benefits in moving the intra-array voltage from 33 kV to 66 kV AC for large o...Torben Haagh
What are the benefits in moving from 33 kV to 66 kV? Carbon Trust's and Atkins's view
Carbon Trust in collaboration with Atkins plc worked on a paper that highlights the potential for higher voltage inter-array systems to deliver significant cost benefits and higher yields to the design of future offshore wind farms.
Carbon Trust in collaboration with Atkins plc worked on a paper that highlights the potential for higher voltage inter-array systems to deliver significant cost benefits and higher yields to the design of future offshore wind farms.
Carbon Trust in collaboration with Atkins plc worked on a paper that highlights the potential for higher voltage inter-array systems to deliver significant cost benefits and higher yields to the design of future offshore wind farms. Read the paper here:
http://bit.ly/AtkinsWhitepaper
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Computational Engineering Research (IJCER) is dedicated to protecting personal information and will make every reasonable effort to handle collected information appropriately. All information collected, as well as related requests, will be handled as carefully and efficiently as possible in accordance with IJCER standards for integrity and objectivity.
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)
This report gives an overview of patenting activity around Doubly-fed Induction Generators (DFIG) used in the horizontal axis wind turbines for efficient power generation. Patents were categorized as per key DFIG technologies and analyzed for generating different trends within PatSeer Project.
Asoka Technologies offer latest IEEE Electrical projects for BTech and MTech. We have many projects and we do provide abstract, paper explanation, simulink model explanation and exact results within time.
We do develop your own ideas also.
Performance of Doubly-Fed Induction Generator by changing various system para...AM Publications
This paper describes the behaviour of a doubly-fed induction generator (DFIG) driven by wind turbine.
The work has been carried out with the main objective to study dynamic performance of wind driven, grid connected
doubly fed induction generator by formulating appropriate mathematical models. Further, performance of doubly fed
induction generator is observed by changing various system parameters like base wind speed, line length and grid
voltage. A MATLAB computer simulation study was undertaken and results on wind turbine are presented.
PSS/E based placement wind/PV hybrid system to improve stability of Iraqi grid IJECEIAES
Proper employment of Hybrid Wind/ PV system is often implemented near the load, and it is linked with the grid to study dynamic stability analysis. Generally, instability is because of sudden load demand variant and variant in renewable sources generation. As well as, weather variation creates several factors that affect the operation of the integrated hybrid system. So this paper introduces output result of a PV /wind via power electronic technique; DC chopper; that is linked to Iraqi power system to promote the facilitating achievement of Wind/ PV voltage. Moreover, PSS/E is used to study dynamic power stability for hybrid system which is attached to an effective region of Iraqi Network. The hybrid system is connected to Amara Old bus and fault bus is achieved to that bus and the stability results reflects that settling time after disturbance is not satisfactory. But, it is found that PV/wind generation system influences Iraqi grid stability to be better than that with only PV generation and the latter is better than stability of the grid that is enhanced with only wind generation. These results represent an important guideline for Iraqi power system planner.
The presentation includes the objective, operation, characteristics , simulation, results and waveforms of Doubly Fed Induction Generator connected to variable speed Wind Turbine. which is published and presented in IEEE international conference in Technological advancements of Power and Energy which was held in Amrita Vishwa Vidyapeetam, Amritapuri, Kerala.
Power Quality Enhancement in Wind Connected Grid System Interface Based On St...IJERA Editor
Wind energy has become one of the significant alternative renewable energy resources because of its abundance
and the strong drive for its commercialization. Dynamic electric load variations and wind velocity excursions
cause excessive changes in the prime mover kinetic energy and the corresponding electrical power injected into
the AC grid utility system. In this paper, a scheme based on the low cost static switched filter compensator
(SSFC) is presented for voltage sag/swell compensation, power factor improvement in distribution grid
networks with the dispersed wind energy interface. The SSFC scheme is based on an intermittent switching
process between two shunt capacitor banks to be one of them in parallel with the capacitor of a tuned arm filter.
Two regulators based on a tri- loop dynamic error driven inter-coupled weighted modified proportional-integralderivative
(PID) controller which is used to modulate the PWM.
The Static Switched Filter Compensation (SSFC) compensation scheme which enhances the system
power quality has been fully validated using MATLAB–Simulink. The effectiveness of this compensation
scheme approach is demonstrated using a study case of 3 bus system. Simulation results show that there is
improvement in harmonics reduction, voltage sag/swell compensation, power factor improvement at generator
bus, load bus, and infinite bus respectively
TCSC-STATCOM Controller for the Voltage Stability Improvement of the Wind Far...Dr. Amarjeet Singh
The project is about the improvement of voltage stability of the system which has a wind farm connected to the Grid. A combination of TCSC and STATCOM is used in the controller. The controller ensures that the system receives enough reactive power to maintain stability. The simulation model is going to be inbuilt MATLAB/SIMULINK. output voltages of the system without the controller, with each component acting separately and the collaborative control effect of TCSC and STATCOM, will be compared and studied in the simulated model to prove the efficiency of the controller.
Benefits in moving the intra-array voltage from 33 kV to 66 kV AC for large o...Torben Haagh
What are the benefits in moving from 33 kV to 66 kV? Carbon Trust's and Atkins's view
Carbon Trust in collaboration with Atkins plc worked on a paper that highlights the potential for higher voltage inter-array systems to deliver significant cost benefits and higher yields to the design of future offshore wind farms.
Carbon Trust in collaboration with Atkins plc worked on a paper that highlights the potential for higher voltage inter-array systems to deliver significant cost benefits and higher yields to the design of future offshore wind farms.
Carbon Trust in collaboration with Atkins plc worked on a paper that highlights the potential for higher voltage inter-array systems to deliver significant cost benefits and higher yields to the design of future offshore wind farms. Read the paper here:
http://bit.ly/AtkinsWhitepaper
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Computational Engineering Research (IJCER) is dedicated to protecting personal information and will make every reasonable effort to handle collected information appropriately. All information collected, as well as related requests, will be handled as carefully and efficiently as possible in accordance with IJCER standards for integrity and objectivity.
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)
This report gives an overview of patenting activity around Doubly-fed Induction Generators (DFIG) used in the horizontal axis wind turbines for efficient power generation. Patents were categorized as per key DFIG technologies and analyzed for generating different trends within PatSeer Project.
Asoka Technologies offer latest IEEE Electrical projects for BTech and MTech. We have many projects and we do provide abstract, paper explanation, simulink model explanation and exact results within time.
We do develop your own ideas also.
Performance of Doubly-Fed Induction Generator by changing various system para...AM Publications
This paper describes the behaviour of a doubly-fed induction generator (DFIG) driven by wind turbine.
The work has been carried out with the main objective to study dynamic performance of wind driven, grid connected
doubly fed induction generator by formulating appropriate mathematical models. Further, performance of doubly fed
induction generator is observed by changing various system parameters like base wind speed, line length and grid
voltage. A MATLAB computer simulation study was undertaken and results on wind turbine are presented.
PSS/E based placement wind/PV hybrid system to improve stability of Iraqi grid IJECEIAES
Proper employment of Hybrid Wind/ PV system is often implemented near the load, and it is linked with the grid to study dynamic stability analysis. Generally, instability is because of sudden load demand variant and variant in renewable sources generation. As well as, weather variation creates several factors that affect the operation of the integrated hybrid system. So this paper introduces output result of a PV /wind via power electronic technique; DC chopper; that is linked to Iraqi power system to promote the facilitating achievement of Wind/ PV voltage. Moreover, PSS/E is used to study dynamic power stability for hybrid system which is attached to an effective region of Iraqi Network. The hybrid system is connected to Amara Old bus and fault bus is achieved to that bus and the stability results reflects that settling time after disturbance is not satisfactory. But, it is found that PV/wind generation system influences Iraqi grid stability to be better than that with only PV generation and the latter is better than stability of the grid that is enhanced with only wind generation. These results represent an important guideline for Iraqi power system planner.
The presentation includes the objective, operation, characteristics , simulation, results and waveforms of Doubly Fed Induction Generator connected to variable speed Wind Turbine. which is published and presented in IEEE international conference in Technological advancements of Power and Energy which was held in Amrita Vishwa Vidyapeetam, Amritapuri, Kerala.
Power Quality Enhancement in Wind Connected Grid System Interface Based On St...IJERA Editor
Wind energy has become one of the significant alternative renewable energy resources because of its abundance
and the strong drive for its commercialization. Dynamic electric load variations and wind velocity excursions
cause excessive changes in the prime mover kinetic energy and the corresponding electrical power injected into
the AC grid utility system. In this paper, a scheme based on the low cost static switched filter compensator
(SSFC) is presented for voltage sag/swell compensation, power factor improvement in distribution grid
networks with the dispersed wind energy interface. The SSFC scheme is based on an intermittent switching
process between two shunt capacitor banks to be one of them in parallel with the capacitor of a tuned arm filter.
Two regulators based on a tri- loop dynamic error driven inter-coupled weighted modified proportional-integralderivative
(PID) controller which is used to modulate the PWM.
The Static Switched Filter Compensation (SSFC) compensation scheme which enhances the system
power quality has been fully validated using MATLAB–Simulink. The effectiveness of this compensation
scheme approach is demonstrated using a study case of 3 bus system. Simulation results show that there is
improvement in harmonics reduction, voltage sag/swell compensation, power factor improvement at generator
bus, load bus, and infinite bus respectively
TCSC-STATCOM Controller for the Voltage Stability Improvement of the Wind Far...Dr. Amarjeet Singh
The project is about the improvement of voltage stability of the system which has a wind farm connected to the Grid. A combination of TCSC and STATCOM is used in the controller. The controller ensures that the system receives enough reactive power to maintain stability. The simulation model is going to be inbuilt MATLAB/SIMULINK. output voltages of the system without the controller, with each component acting separately and the collaborative control effect of TCSC and STATCOM, will be compared and studied in the simulated model to prove the efficiency of the controller.
Power Quality Improvement Using Custom Power Devices in Squirrel Cage Inducti...IJPEDS-IAES
Wind farm is connected to the grid directly.The wind is not constant voltage fluctuations occur at point of common coupling (PCC) and WF terminal. To overcome this problem a new compensation strategy is used. By using Custom power devices (UPQC).It injects reactive power at PCC. The advantages of UPQC are it consists of both DVR and D-STATCOM. DVR is connected in series to the line and it injects in phase voltage into the line .D- STATCOM is connected shunt to the line .The internal control strategy is based on management of active and reactive power in series and shunt converters of UPQC. The power exchainge is done by using DC-link.
APPLICATION OF STATCOM to IMPROVED DYNAMIC PERFORMANCE OF POWER SYSTEMijsrd.com
Application of FACTS controller called Static Synchronous Compensator STATCOM to improve the performance of power grid with Wind Farms is investigated .The essential feature of the STATCOM is that it has the ability to absorb or inject fastly the reactive power with power grid . Therefore the voltage regulation of the power grid with STATCOM FACTS device is achieved. Moreover restoring the stability of the power system having wind farm after occurring severe disturbance such as faults or wind farm mechanical power variation is obtained with STATCOM controller . The dynamic model of the power system having wind farm controlled by proposed STATCOM is developed . To validate the powerful of the STATCOM FACTS controller, the studied power system is simulated and subjected to different severe disturbances. The results prove the effectiveness of the proposed STATCOM controller in terms of fast damping the power system oscillations and restoring the power system stability.
Power Quality Improvement of a Distributed Generation Power SystemIJERA Editor
The aim of this work is to improve the power quality for Distributed Generation (DG) with power storage system. Power
quality is the combination of voltage quality and current quality. Power quality is the set of limits of electrical properties that
allows electrical systems to function in their intended manner without significant loss of performance or life. The electrical
power quality is more concerned issue. The main problems are stationery and transient distortions in the line voltage such as
harmonics, flicker, swells, sags and voltage asymmetries. Distributed Generation (DG) also called as site generation, dispersed
generation, embedded generation, decentralized generation, decentralized energy or distributed energy, generates electricity
from the many small energy sources. In recent years, micro electric power systems such as photovoltaic generation systems,
wind generators and micro gas turbines, etc., have increased with the deregulation and liberalization of the power market.
Under such circumstances the environment surrounding the electric power industry has become ever more complicated and
provides high-quality power in a stable manner which becomes an important topic. Here DG is assumed to include Wind
power Generation (WG) and Fuel Cells (FC), etc. Advantages of this system are constant power supply, constant voltage
magnitude, absence of harmonics insupply voltage, un-interrupted power supply. In this project the electric power qualities in
two cases will be compared.
Case I: With the storage battery when it is introduced.
Case II: Without the storage battery.
The storage battery executes the control that maintains the voltage in the power system. It will be found that the Electric power
quality will be improved, when storage battery is introduced. The model system used in this Project work is composed of a
Wind Turbine, an Induction Generator, Fuel Cells, An Inverter and a Storage Battery. A miniature Wind Power Generator is
represented by WG. A fuel cell module is represented by FC. Transmission lines will be simulated by resistors and coils. The
combined length of the lines from synchronous generator to the load terminal is 1.5 km. This model will be simulated using
Matlab/Simulink
Mitigation of Voltage Fluctuations in Power System Using STATCOMIJERA Editor
Wind energy being a renewable source of energy is enjoying a rapid growth globally. However, wind energy being an uncontrollable source of energy coupled with the fact that it uses distributed induction generators for power conversion poses a challenge in integrating a large scale wind-farm into a weak power system. An actual weak power system with two large Wind-Farms (WFs) coupled to it is introduced as part of this study. A model of this integrated system along with a STATCOM for steady state and dynamic impact study is developed in the MATLAB/Simulink environment. The power quality issues are highlighted and a centralized STATCOM is proposed to solve the issue of the voltage fluctuations in particular in addition to addressing the other issues. Based on the results obtained from the simulation, the system voltage control issues are analyzed and the location of STATCOM is assessed. Finally, a STATCOM control strategy for suppression of voltage fluctuations is presented.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
A Hybrid Control Scheme for Fault Ride-Through Capability using Line-Side Con...Suganthi Thangaraj
As the wind power installations are increasing in number, Wind Turbine Generators (WTG) are required to have Fault Ride-Through (FRT) capabilities. Lately developed grid operating codes demand the WTGs to stay connected during fault conditions, supporting the grid to recover faster back to its normal state. In this paper, the generator side converter incorporates the maximum power point tracking algorithm to extract maximum energy from wind turbine system. A hybrid control scheme for energy storage systems (ESS) and braking choppers for fault ride-through capability and a suppression of the output power fluctuation is proposed for permanent-magnet synchronous generator (PMSG) wind turbine systems. During grid faults, the dc-link voltage is controlled by the ESS instead of the line-side converter (LSC), whereas the LSC is exploited as a STATCOM to inject reactive current into the grid for assisting in the grid voltage recovery. A simple model of the proposed system is developed and simulated in MATLAB environment. The effectiveness of the system is validated through extensive simulation results
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Modelling and simulation for energy management of a hybrid microgrid with dro...IJECEIAES
The most efficient and connected alternative for increasing the use of local renewable energy sources is a hybrid microgrid, these systems face additional challenges due to the integration of power electronics, energy storage technologies and traditional power plants. The hybrid alternating currentdirect current (AC-DC) microgrid that is the subject of this research uses a primary-droop control system to regulate state variables and auxiliary services, thus, it is composed of batteries, solar panels and a miniature wind turbine (PDC) and controls how each energy source in a microgrid contributes to the final product. To achieve the given objectives, this paper will create appropriate models for each part of the microgrid design and define, among them, the energy storage batteries and power electronic converters required for each level of each of these systems. Finally, the dynamic nature of the system will be critically evaluated and characterized, to distribute the load and reduce imbalances, modify the primary drop of the resulting microgrid using MATLAB simulation.
Development of DC voltage control from wind turbines using proportions and in...IJECEIAES
This research article presents the method to control the DC voltage of the boost converter by using a proportional-integral (PI) controller. With AC voltage from a wind turbine generator, converting to DC voltage level by rectifier, this DC voltage controlled by PI controller is to control boost converter that sends DC links to the inverter which converting alternating current voltage to direct current voltage through three-phase load and to the grid-connected system. For switching the IGBTs in the inverter, the PWM signal, on the hysteresis current control, is controlled by the signal from the detected reference voltage based on the grid-connected system and the voltage from a wind turbine generator. The tests made the comparison of results from the simulation with the MATLAB/Simulink program and result from the hardware on the prototype. The power quality results, such as harmonic, power factor, are in acceptable ranges.
A fault-tolerant photovoltaic integrated shunt active power filter with a 27-...IJECEIAES
This paper introduces a fault-tolerant shunt active power filter (SAPF). The novility in of this work is that it poposes a solutions to increase the reliability of shunt active power filter to maintain its operation under a single-phase open-circuit fault in the SAPF. This will increase the reliability of the whole power system. The SAPF is composed of a 4-leg 27-level inverter based on asymmetric cascaded H-bridge topology. If an open-circuit fault is introduced to the operation of the SAPF, a special control technique will be implemented and the redundant leg of the SAPF will be activated. The faulttolerant SAPF can do many tasks under healthy operating conditions and post and open circuit fault depending on the state of charge (SOC) of the batteries. It can mitigate harmonics in the power system, improve power factor in the system by injecting reactive power, and inject real power to the system. The proposed SAPF is tested and simulated in MATLAB/Simulink and the results have shown a significant improvement in total harmonics distortion (THD) of the source current from 13.9% to 3.9% under the normal operating condition and from 42% to 8.4% post and open circuit fault.
International Journal of Engineering Research and Applications (IJERA) is a team of researchers not publication services or private publications running the journals for monetary benefits, we are association of scientists and academia who focus only on supporting authors who want to publish their work. The articles published in our journal can be accessed online, all the articles will be archived for real time access.
Our journal system primarily aims to bring out the research talent and the works done by sciaentists, academia, engineers, practitioners, scholars, post graduate students of engineering and science. This journal aims to cover the scientific research in a broader sense and not publishing a niche area of research facilitating researchers from various verticals to publish their papers. It is also aimed to provide a platform for the researchers to publish in a shorter of time, enabling them to continue further All articles published are freely available to scientific researchers in the Government agencies,educators and the general public. We are taking serious efforts to promote our journal across the globe in various ways, we are sure that our journal will act as a scientific platform for all researchers to publish their works online.
Similar to IMPACT OF WIND FARM ON POWER SYSTEM DYNAMICS AND STABILITY USING PSAT SIMULATION (20)
Honest Reviews of Tim Han LMA Course Program.pptxtimhan337
Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
IMPACT OF WIND FARM ON POWER SYSTEM DYNAMICS AND STABILITY USING PSAT SIMULATION
1. A Presentation
On
“IMPACT OF WIND FARM ON POWER SYSTEM DYNAMICS AND
STABILITY USING PSAT SIMULATION”
SUBMITTED BY:
BIKASH GYAWALI 2072/BEL/05
CHET RAJ KANDEL 2072/BEL/09
DESH BANDHU SEDAI 2072/BEL/11
MANISH RAUT 2072/BEL/22
SUBMITTED TO:
DEPARTMENT OF ELECTRICAL ENGINEERING
2. History:
People used wind energy to propel boats along the Nile River
as early as 5,000 BC.
In the late 1800s and early 1900s, small wind-electric
generators (turbines) were also widely used.
3. INTRODUCTION:
The whole project is done in MATLAB using PSAT
The wind turbine used is of doubly fed induction generator.
The 14 BUS system is used to analyze the impact of wind farm on power system dynamics and stability.
The voltage level generated is of 11kv.
The connection of wind model and wind turbine model is done in BUS1.
4. WIND POWER:
𝑃 = 0.5𝜌𝐴𝑉3
Where, 𝜌= Air density, (kg/𝑚3
),
A= Area which is normal to the wind speed (𝑚2),
V = Wind speed (m/s),
P = power of wind
And
𝑃 = 0.5𝜌𝜋𝑅2
𝑉3
Cp(ℷ,β)
Cp(ℷ,β) depend on manufacturer and it is a factor which represent how much wind energy is converted to the mechanical
power by wind turbine.
Where, ℷ=Tip speed ratio
β=Blade pitch angle.
5. WHY WIND POWER?
It decreases the burden for national power plant.
It is available for local people in cheaper price.
It is eco-friendly.
6. Start
Check the report
Matlab circuit Simulation
simulation
Parameter Update
simulation
Is load
flow
success
ful?
Analyze and interpret
End
WORK
FLOWCHART
10. Why double fed induction generator?
Due to advantages of high energy efficiency and controllability.
The power could be supplied to the grid through the stator in all the
three modes of operation, namely, sub synchronous, synchronous
and super- synchronous modes.
This provides DFIG a unique feature beyond the conventional
induction generator
12. EIGEN VALUE ANALYSIS
More the coordinates are shifted towards the left of axis , more is the system stable.
When the wind turbine is connected to the BUS1 the coordinates should shift more towards left.
The system becomes more stable if the plot of coordinates shifts more towards left.
13.
14. 4. GANTT CHART
Date
works
Within
Baisak
h 26th
Withi
n
Jestha
1st
Withi
n
Jestha
3rd
Withi
n
Jestha
10th
Withi
n
jestha
20th
Withi
n
ashar
1st
Withi
n
ashar
15th
Withi
n
ashar
31st
Title selection
Prepare
proposal
Research and
report
Collection of
circuit
parameters
Matlab circuit
construction
Load flow
analysis
Study of
Eigen value
analysis
Study of
contingency
analysis
16. Work in progress
Study of Eigen value analysis.
Study of contingency analysis.
Mat lab circuit upgrading and modification.
Stable synchronization of wind turbine
17. Work Remaining
Output for Eigen value.
Output for contingency analysis.
Final mat lab simulation using PSAT.
Modeling of doubly fed induction generator.
Voltage profile and power system dynamics analysis.
18. Challenges
use of power electronics such as compensator, converter,etc. in wind
generation systems introduces voltages and current harmonics into
the power system.
As wind energy is a non-controllable energy source, it always have
serious issue regarding voltage stability and transient stability.
Future expansion of the loads cannot be predicted accurately,
generator outputs and loads fluctuate strongly in different time
frames.