International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control EngineeringA monthly Peer-reviewed & Refereed journal
IJIREEICE meets the suggestive parameters outlined in the latest University Grants Commission (UGC) for peer-reviewed journals, ensuring high standards of research integrity, publication ethics, and academic excellence.
Simulation of Space Vector Modulation for Open End Winding Induction Motor in PSIM
Vishnu V Bhandankar, Anant J Naik
Abstract:
Space vector modulation (SVM) has advantages such as wide linear range of operation, better DC link utilization, 15% more output voltage than Sine PWM and Less harmonics content. For High Voltage application switching frequency is limited by stresses on switches. Multilevel inverter provide solution for the increase operating voltage for converter above the limits of semiconductor devices along with reduced dV/dt stress. However implementation of Three-level Space Vector Modulation involves significant increase in complexity. In this paper in effort to simplify SVM for Three-level Voltage Source Inverter (VSI) ,the Three-level VSI is synthesized using a dual Two-level inverter for open-end winding induction motor drive and is simulated in PSIM. The proposed method results in reduction in the amount of switching commutations in the dual-inverter by half. The implementation of the suggested Three-level SVM scheme neither needs any look-up tables nor sector identification for the under modulation region.
Keywords:
PSIM, Dual inverter, Space Vector PWM, Open end winding induction motor, modulation index.
Dual Output DC-DC Converter for DC Micro-Grid Application
Akshatha N.M, Prof. K Vasudeva Shettigar
Abstract:
In this paper step up DC-DC converter with different output voltage level for DC micro-grid application is proposed. The wide utilization of renewable sources, have significantly improved the diffusion of distributed generation unit changing the operations of distributed grids from passive networks to micro-grids. This paper analyses step up dc-dc converter with input from the DC source/ photovoltaic array and two DC output at different voltage level. The paper includes operation of proposed converter with different operating modes, the mathematical expression and the simulation results.
Keywords:
DC micro-grid, DC-DC converter, distributed generation system, high power DC bus, Low power DC bus.
Abstract:
Fault Simulations are very important to study the nature of the systems in place and thus test the Protective Relays under those conditions. Omicron modules have very high accuracy in its class of Power System simulators, not only in the steady regions but the transient states as well. This paper focuses on the Fault Simulation on a Distribution Network through MATLAB and the Omicron module. The faults are simulated on a distribution model (using the Sim Power Systems® Tool) in MATLAB. MATLAB is interfaced with the Omicron module (using CM Engine®) for the real time testing of the relays. The GUI gives added functionality and ease of use to the user. A report generator is added, which generates a report of the simulation along with the waveforms.
Keywords:
Fault Simulations, GUI, Omicron Power System Simulator, Protective Relays.
Modelling and Simulation of Transformer less Single Phase Grid Tie Inverter Using MATLAB/Simulink
Disha, Dr. Nagesh Prabhu, Chaithra L
Abstract:
Ever increasing growth of electricity demand and promising growth of renewable energy production has necessitated the requirement of an efficient grid tie inverter. In the proposed system, grid tie inverter control is based on the d-q reference frame controller. Grid voltage and inverter current are transformed through d-q transformation to convert into dc components and the error signal is passed through a PI controller to supply active power to grid. Modified Unipolar Sine Wave Pulse Width Modulation (MUSPWM) is used to reduce switching loss. The simulation of system is carried out using MATLAB/ Simulink. The reactive current reference of d-q based controller is set to zero and active current reference is based on the active power to be supplied to the grid. Simulation results show the effectiveness of the controller in ensuring only active power supply to grid in steady state.
Keywords:
Grid tie inverter, d-q reference frame, MATLAB/Simulink, MUSPWM.
Abstract:
Heating by induction is a promising technology for processing circular semiconductor wafers because it offers quick and high temperature heating. Heat develops inside the work piece hence losses due to conduction and radiation is reduced. It is rather difficult to attain uniform temperature distribution in the work piece using single coil induction heating method. In this paper, a multi coil induction heating system for processing circular semiconductor wafers is proposed. The working coil or inductor is divided into a number of multi turn coils. The paper presents ANSYS Maxwell 3D modelling and simulations of the four coil induction heating system. The phase angle between the currents differs by 90º to generate a travelling wave magnetic field that can uniformly heat the subsector.
Keywords:
Induction heating, semiconductor processing, uniform heating, travelling wave
Simulation and performance analysis of simplified multilevel inverter
Rahul V A, Sheryl Grace Colaco
Abstract:
Multilevel converters are widely used due to its high efficiency, low harmonics and also its output waveform is almost similar to sinusoidal shape. There are many topologies developed for multilevel converter each of them has various advantages and disadvantages. In this paper a new topology is proposed which is a combination of conventional multilevel topology and H-bridge circuit having advantages of both. Here a 7 level multilevel inverter derived from the proposed topology is explained for analysis.
Keywords:
Multi-level converter, 7 level inverter, gate drive circuit, charge pump circuit.
BLDC Motor Speed Control Using Co-Simulation Of Multisim and Labview
Oshin O Laxman, Girisha Joshi
Abstract:
Brushless dc motor is finding various applications in the present day scenario. They have improved efficiency, higher speed, better torque speed characteristics and faster dynamic response when compared with the traditional motors. In this paper, a controller is developed based on co-simulation of multi sim and lab view and is presented for low cost brushless dc motor drive with low-resolution hall sensors. The driver circuit is made using a low cost MOSFET gate driver IC in multi sim and the controller is developed in lab view. A hall sensor is usually used to commutate the BLDC motor and the hall sensor output is used as the gate pulse for the six pulse inverter. The effectiveness of the design was verified through co-simulation.
Keywords:
BLDC, gate driver circuit, control circuit multi sim, lab view, co-simulation.
Analysis Of Various Power Losses In Vanadium Redox Flow Battery
Santhosh, Prof. Pradeep Kumar
Abstract:
As technologies grow up, the consumption of electricity goes on increasing in such way that the demand is more than that of supply. Nowadays electricity is mainly obtained by burning fossil fuels. So, environment pollution reaches its peak level due to release of environmental pollutant gases such as CO2, CO etc. The solution for this is, use of renewable sources of energies such as solar and wind energy instead of fossil fuels. But problem with use of these energies, they are not uniform all the time. So in order to store these energies when availability is more the concept of battery came to existence. Vanadium redox flow battery is also a very good promising battery technology which can stores energy in most efficient way. This paper explains the history, constructional details and working principle of the vanadium redox flow battery. This will also deals about various losses such as power loss due to resistance, pump power loss and chemical power loss occurs in vanadium redox flow battery. The simulations are carried out using MATLAB/SIMULINK tool.
Keywords:
Vanadium redox flow battery, Redox, half-cell, Oxidation state.
Voice Command Control System with Fault detection of Home Loads for Paralysed and Aged
Tahseen Khanum S, Raksha Adappa
Abstract:
This paper aims to design the VCC system which makes possible for operating home appliances through the Android mobile phone. The controlling of home AC appliances/loads such as lamp, fan, mixer, television, is carried out wirelessly through the application of Bluetooth voice connectivityin android phone by using Bluetooth feature technology present in any smart phone. In this paper, the android phone is used as voice based remote control for controlling the electrical appliances. This system is mainly designed to help the people who are aged and disabled so that they can control all their home appliances through voice commands or by giving a voice messages. There is no need of any attender or any people around for their help. This design acquires two commands as ON/OFF for controlling of home load appliances and to detect Fault at the load .Fault occurs when power supply cuts down for the particular load or when it exceeds the limit of the given load capacity. There are major various wireless technologies which are used to design this system such as Wavenis, Bluetooth, Wi-Fi, and Zigbee. Bluetooth is used due to low power consumption and it's a low cost transceiver.
Keywords:
Android smart phone, Bluetooth, voice messages, Current Transformer, home loads.
Abstract:
This paper explains the simulation of boost converter fed DC motor. The output voltage of the boost converter is maintained constant regardless of slight change in input voltage. Using PID controller output voltage of the boost converter is kept constant. The output voltage of boost converter is fed to the DC motor. Hence speed of DC motor is controlled and kept constant for various applications.
Keywords:
Boost converter, DC motor, PID controller.
Design Of Smart Home Security Surveillance System Using GSM
Shweta, Nayana P Shetty
Abstract:
This paper the depicts how to control the home appliances like lights, fan, and refrigerator etc and detection of abnormal activities like theft identification by using PIR sensor. If any human enters inside the home when the owner is not in the house the PIR sensor sends the signal to controller to enable camera. Camera gets enabled and captures the image and sends it to controller which is raspberry pi (ARM11). The controller attaches the captured image and sends it to the user and alternately through GSM module, SMS alert can be sent to the user mobile. PIC16F877A microcontroller is used in this. The home appliances which are connected to the controller through relays can be turn ON and turn OFF by sending the commands from user mobile. By this from anywhere we can control the loads and save the electricity. If in case there is any fire occurs, there is fire sensor which detects the fire if it's over the threshold (normal) value, it sends that information to user to take appropriate action. The result shows that from the security surveillance system it is easy to control and reliability and easy to access from anywhere with GSM network. Here GSM module is used to communicate with the user when in anytime the sensors sense the fault which is much convenient to alert to the user. It consumes less power, process is fast, less effort and easy to control the devices.
Keywords:
GSM module, Sensors, Raspberry pi, PIC microcontroller, Loads.
Modeling and Simulation of Light Flicker meter using MATLAB
Roshani Supriya .B.N, Nayana .P. Shetty
Abstract:
The modeling of the alternative flicker meter is based on the original Flicker meter proposed by the IEC61000-4-15. Some important modifications are added in order to quantify the light variations directly. It eliminates the effect associated with the different lamp technologies available through the correct quantification of flicker severity. In order to achieve this objective blocks 1 and 3 of the original IEC Flicker meter has been altered and block 2 is completely eliminated. This article helps in technical computation of alternative flicker meter before going to the hardware implementation using MATLAB simulink.
Keywords:
Flicker, Flicker meter, Incandescent Lamp(IL), Cathode Fluorescent Lamp(CFL), Light Emitting Diode (LED).
Abstract:
This paper presents the modeling and simulation of the DC Motor closed loop speed control. DC motors have large application area because of their robustness, speed and good load characteristics. Most of the application requires efficient speed control of DC motor. Here performance analysis of speed control of DC motor using PID controller and Fuzzy logic controller is carried out using MATLAB/SIMULINK. Using fuzzy, sensitiveness to variation of input torque and also any kind of system uncertainty can be overcome compared to all other conventional controllers. Finally fuzzy system can provide optimal performance and large range of speed control over the area.
Keywords:
FLC, PID, DC Motor, speed control.
Abstract:
In India, as there is great demand for solar energy, it is must for us to switch towards that natural energy to avoid the energy crisis. In India already the implementation of solar metering is started which has two categories, one is Gross Metering and other is Net Metering This paper includes simulation of a Net Meter to which an owner and some customers are connected through Micro-Grid, to avail the benefit. This paper also includes the Micro-grid in such a way that, it is not connected to the Macro-Grid, instead it is only meant for the owner and some customers, where we can call it as Private Micro-Grid. Whenever the grid failure happens the extra generated energy will be sent through the Micro-Grid that reaches to the customers. The Net Meter connected to it, will not only calculates the power from and to the Macro-grid, it also computes the power to the Micro-grid and the respective incentives to be paid from and to the electricity board and also the incentives from customers to the owner. This simulation is carried out in MATLAB SIMULINK.
Keywords:
Net Meter, Microgrid, MPPT, P&O Method, Macrogrid.
Porting Of DLMS Client Application On Embedded Platform For Modem Development
Chaithra Bhat Padmar
Abstract:
Current metering trend collects the data from the energy meter through MRI. This paper presents the idea for data collection from energy meters using a modem. To develop a modem, a cost effective embedded platform is essential. In this paper development of such a user friendly, economical embedded platform for RENESAS controller is carried out and discussed in detail.
Keywords:
Modem, Client, DLMS (Device Language Message Specification), renesas.
Abstract:
Embedded Technology has been used widely for the power system protection and monitoring devices. There is also an increasing complexity added to the embedded systems. The useful life of a product, is likely to be extended, and its user base increased, if it can be migrated to various platforms over its lifetime. It is seen that much of the development time is wasted in redeveloping the application software which can be saved if the applications built are platform independent. Developing a Hardware Abstraction Layer (HAL) can ensure the much of the software reuse when ported across embedded hardware platforms having different architectures. The paper proposes the concept of HAL for two underlying Microcontroller platforms (16bit & 32bit architecture) targeting applications to power system protection. The paper discusses how a HAL is developed for the UART module of the two platforms.
Keywords:
Hardware Abstraction Layer (HAL), UART, Application Program Interface (API), Middleware.
Abstract:
The action of inverters which are connected in parallel in microgrids is supported on droop process. The actual droop process comprises of rectifying the final voltage frequency and size to obtain self-standing power sharing without control wire interconnections. The actual voltage droop process reveals several drawbacks such as interior multiloop feedback control, frequency and voltage deviations. This paper intends a modern control tactic in microgrid applications by bringing down substantial flux in place of inverter final voltage. Firstly, substantial flux, active and reactive powers are mathematically obtained and a relationship is established between them which are employed to promote a modern flux droop technique. A small signal model is improved in direction to sketch the main parameters which are to be controlled and to study the steadiness as well as the system dynamics. A direct flux control step by step technique is used to adjust the substantial flux agreeing to the droop controller to evade the utility of PI controllers and PWM modulators. The simulation output shows that intended flux droop tactic can obtain reactive and active power shared by decreasing the frequency deviated than actual droop process, which spotlights influential usage in applications of microgrids.
Keywords:
Sharing of active and reactive power; microgrids; flux droop; power quality.
Vinutha K, Anand Bhat B, N. A. Ranjan, M. E. Tejamoorthy
Abstract:
Energy is the main concern of every one as the conventional sources of energy are depleting and there is a notable growth in the industrial and domestic loads. To bridge this gap there is an immediate need to explore all possible avenues to generate energy and conserve energy. A lot of interest has been generated in the conduct of energy audits as a means to achieve energy conservation. With the advent of energy crisis and exponential hikes in the cost of different forms of energy, energy audit is manifesting its due importance in various sectors. Dairy industry uses electrical energy and thermal energy as main energy source. The total cost of energy plays a vital role in determining the product cost of a commodity. Therefore the identification of potential energy savings and implementation for a given industrial facility is important to ensure its competitive advantage over other similar industries. This paper presents such energy saving methods in a methodological approach, experienced during a preliminary energy audit of a large scale industry. The energy consumption and savings assessed in term of equipments used and its functional purpose. Investing to improve the energy efficiency of a dairy industry provides an immediate and relatively predictable cash flow resulting from lower energy bills.
Keywords:
Energy sources, audit, consumption and conservation.
Design Of Single Ended Primary Inductance Converter For Photovoltaic Applications
Rajesh Babu E, Prof K Vasudeva Shettigar
Abstract:
In this paper, the design of Single Ended Primary Inductance Converter has been discussed for photovoltaic applications. This paper contains the modelling and simulation of solar cell using MATLAB/SIMULINK software. Maximum power point tracking has been discussed based on perturb and observe algorithm technique.
Keywords:
Solar cell, SEPIC, MPPT, P & O.
Abstract:
The electrical power harvesting from environmental energy such as thermal , light, wind, vibration permits low-power devices, few of which are conventionally powered by batteries. Low-power devices are used in variety range of industrial applications. Battery replacement or recharging is generally unattractive inside the devices because cost and difficulty of getting access to the built in embedded devices. Solar energy is most widespread form of energy and Photovoltaic (PV) technology is thus very useful in energy harvesting. The choice of appropriate PV module like size and conditioning circuit for output power is essential for effective operation. To improve efficiency commonly used technique is maximum power point tracking (MPPT) and good response is obtained for changing irradiation. At low light levels in indoor systems control and tracking circuitry itself may consume most part of the generated power which is not feasible. This paper shows the circuit which can work in indoor and outdoor applications but without having controller in it.
Keywords:
PV panel, MPPT.
Abstract:
Electricity distribution is the final stage in the delivery of electricity to end users. A distribution system's network carries electricity from the transmission system and delivers it to consumers. The performance of distribution system becomes inefficient due to the reduction in voltage magnitude and increase in distribution losses. Distribution system reconfiguration is one of the techniques to minimize the losses. The standard switching indices are used for the network reconfiguration. An algorithm has been developed to arrive at an efficient network configuration using MATLAB software. The algorithm has been tested on standard 32 bus system and 11kV distribution system of Master Unit Sub Station, Hassan.
Keywords:
Distribution losses, Switching Indices, Voltage Magnitude, Weighing factor.
Design and Implementation of Boost Converter for Photovoltaic Systems
Altaf Mudhol, Dr. Pinto Pius A.J
Abstract:
This paper presents detail design of boost converter and proto-type development with optimized per turb (P&O) algorithms by using AT MEGA 8 microcontroller and the validation has been achieved by MATLAB/ Simulink. By using embedded function in sim power systems blocks the algorithms are developed, the developed algorithm which tracks point were the maximum power can extract from the PV panel or array through the designed boost converter which increases the input voltage with required output voltage with regulated manner, hence it maximizes the power generated by PV array.
Keywords:
Photovoltaic system, Maximum power point tracking, Boost converter, solar cell.
Simulation And Analysis Of Compact Remote Monitoring System
Sachin Kumar B S, Dr. Nagesh Prabhu
Abstract:
Remote Monitoring System is one of the fast developing technologies, used for many industrial as well as domestic applications. This project proposes a compact design and development of remote monitoring system for a three-phase generator. Arduino microcontroller and ZigBee based Wireless devices are used for monitoring the operating point of three phase generator remotely. The Arduino microcontroller helps in monitoring the three phase current, voltage, temperature and power of the generator. The ZigBee-based wireless device is used as a wireless communication between the transmitter and receiver modules. The processed parameters are displayed on 20x4 line Liquid Crystal Display(LCD) which makes the system user friendly. An alert system is enabled through Arduino microcontroller if the load current is more than the full load capacity of the generator.
Keywords:
Remote monitoring, Arduino, ZigBee, 20x4 LCD.
Abstract:
Dynamic modelling approach is the easiest method used to describe an induction machine. Dynamic model gives information about transient behaviour of the system. In this paper, the dynamic model of the induction motor is represented in state space using Krause modelling equations. Synchronous reference frame is used to develop a model and flux equations are expressed in terms of reactance. The equations are grouped and for each group a subsystem is developed. Initially d-q modelling method is used for modelling of healthy induction machine. The result is simulated using MATLAB/SIMULINK.
Keywords:
Induction Machine, d-q model, Flux Linkage, MATLAB/SIMULINK
Simulation of High Static Gain Modified SEPIC Converter
Deepa M Chittawadagi, Dinesh Shetty
Abstract:
In this paper modified SEPIC converter is preferred and based on preferred converter two types of step-up converters with high static gain are presented. These preferred converters are required to obtain high output voltage for applications which are supplied by low input voltage sources .The preferred converters are modified SEPIC converter without magnetic and with magnetic coupling . These two converters increases static gain and efficiency keeping switch voltage low. Also to limit crises of overvoltage at the output diode in the preferred converter with magnetic coupling, voltage multiplier is included in secondary part. This voltage multiplier raises static gain and it also considered as non-dissipative clamping circuit. The preferred converter with magnetic coupling comprises of leakage inductance of transformer and voltage multiplier which reduces losses. Simulation of these two proposed converters are done using MATLAB/SIMULINK and output results are compared.
Keywords:
SEPIC converter , static gain , magnetic coupling , non-dissipative clamping circuit.
Simulation of P & O Algorithm using Boost Converter
Kavita Nanshikar, Aditi Desai
Abstract:
Solar energy is most popular amongst the renewable energy sources. The reason being, the solar panels are modular in nature, has long life with non-moving parts and the time for commissioning is less compared to other sources. Like other renewable energy sources it is intermittent in nature and the output power induced in the photovoltaic modules is influenced by the intensity of solar radiation and temperature of solar cells. It is necessary to track the maximum power point of the input source. In this paper, a maximum power point tracker(MPPT) using perturb and observe algorithm is proposed to improve energy conversion efficiency with boost converter. The system is consisting of solar module, boost converter and resistive load simulated using PSIM software.
Keywords:
photovoltaic (PV) system; maximum power point tracking system (MPPT); perturb and observe algorithm (P&O); PSIM; Boost converter.
Modeling of PEM Fuel Cell Based Power Generation System
Pooja Chavadi, Sonali Pandit
Abstract:
The rising cost of electricity and environmental concerns have driven research in the renewable energy resources such as wind energy, PV modules and fuel cells etc. Power generation using fuel cell (FC) is getting attention day by day .In fuel cell electrochemical reaction takes place to generate electricity in which water is formed due to oxygen and hydrogen reaction . Advantage of fuel cell is that it emits less CO2. Fuel cell types are generally classified according to the electrolyte nature they use. In this paper, modeling and Simulation of PEM (proton exchange membrane) FC stack is carried out in Matlab/Simulink environment. The output of FC stack model is connected to step-up boost converter, single phase H bridge inverter using the Sim Power Systems of Matlab to get an AC output.
Keywords:
Renewable Energy, Fuel Cell, Boost Converter, single phase H Bridge Inverter.
Identification of Counterfeit currency and denomination using Raspberry pi
Swami Gururaj M., Naveen J.
Abstract:
Advancement in technology leads towards many automated systems which are capable of performing tasks without interference of humans. Money deposit machines, automatic ticket machines are one of such automated systems. In such systems it is necessary to identify the counterfeit and denomination of currency automatically. But available automated currency detection system uses computers and other processors which are bulky in size and cost of the overall system is also more. So it is necessary to develop a system which is capable of identifying the denomination of currency for small scale applications. In this paper, the proposed model will automatically identify the denomination and counterfeit of currency using raspberry pi. Identification of counterfeit and denomination is achieved with the help of basic image processing algorithms such as HSV conversion, template matching, aspect ratio identification, dominant colour and feature extraction.
Keywords:
Counterfeit currency, denomination, HSV conversion, dominant colour.
Classification of Transmission Line Faults Using Wavelet Transform
Sandhya.B, Dinesh shetty
Abstract:
Wavelet transform technique is a robust and versatile method to analyze non-stationary,non-periodic wide band signal such as transient signal. Wavelet transform which is new tool for caballing both time and frequency information simultaneously. The suitable wavelet for analysing power system transients is Daubechies(Db) wavelets. This paper focused on transmission line faults classification using wavelet analysis. The different faults in the transmission line (TL) are detected and classified using fault classification algorithm based on wavelet MRA(Multi resolution technique) technique.
Keywords:
DWT, CWT, MRA,WT, TL.
Peak Shaving in Power system using VSC based Electric spring
Swathi Prabhu K, Dr. Nagesh Prabhu, Dinesh Shetty
Abstract:
This paper mainly focuses on studying the effectiveness of the Electric Spring(ES) in regulating the source power when source voltage fed by unstable power source and balancing the load voltage during peak shaving. Due to renewable energy source which is intermittent in nature, the power generated at critical load will not meet the load demand. To meet the load demand Electric spring provides peak shaving of load voltage by balancing the source power. Thus, ES provides solution to the Power instability problem caused by such micro grids. In this project work, electric spring is implemented in conjunction with loads and demonstrates properties of electric spring.
Keywords:
Energy supported electric spring, Reactive Power Compensator, Smart load, and peak shaving.
IOT based system for person with physical disability
Gagan
Abstract:
Day by day as the technology is growing it is reducing the human effort. Home Automation/Smart home system is getting more importance as it increases the security, comfort and improves the quality of life. In this paper a smart home monitoring and alerting system for disabled person is being proposed. This system gives security, and comfort for the elderly people and person's with disability. In this proposed model intel galileo board is used to achieve monitoring of humidity and temperature, gas, smoke, motion and fire and controlling different electrical appliances like fan, heater, lights etc. If the sensor value exceeds the threshold value system should alert the user and should actuate required safety procedure. Alerting and other data are sent to user through internet. Using this system user can monitor the home from anywhere and anytime using internet compatible devices.
Keywords:
Home Automation, Smart Home, Disabled, internet, Microcontroller.
Abstract:
Image compression is essential for efficient transmission and storage of images. This paper uses K-Modulus Method which transforms the whole image into multiples of predefined integer. Dividing the whole image by that integer will guarantee that the new image is less in size from the original image. KMM is used along with JPEG to increase the compression ratio and PSNR value.
Keywords:
Compression, KMM, JPEG, DCT.
Closed loop speed control of dc motor using PID controller
Padmaprakash, Divya K Pai
Abstract:
This paper presents simulation and hardware implementation of constant speed dc motor, using Thyristor Bridge, which operates in two quadrants. The firing angle is controlled by PID controller and is given to Thyristor Bridge which intern control the armature voltage of dc motor. Pic microcontroller PIC16F877A is used to implement PID controller. Variable resistor is used to set the speed of motor. This project is done for 0.5Kw motor. Motor gives constant speed for the variation in input voltage.
Keywords:
PID controller, fully controlled thruster bridge, PIC 16F877A.
Analysis And Simulation of Multimode Single Leg Bi-directional Converter
Madhavi, Mr.Ajithanjaya Kumar M.K.
Abstract:
Power electronic technology based energy conversion can be applied towards electric vehicles and renewable & alternative energy generation systems. In this approach battery pack is the prime concern since it is used for energy storage. So it is important to pay more attention for charging/ discharging and power management. The system response improvement and battery protection can be achieved by ultra capacitors. Conversion systems using power electronics technology basically contains generators, converters, power storage and inverters. In this paper to reduce cost and increase the efficiency of power conversion multimode single leg power converter is introduced. This converter provides the function of boost as well as bi-directional converter. Hence efficiency and fault tolerance capability of the system is improved. In the proposed system there are four modes of operations. Each mode is simulated using MATLAB SIMULINK.
Keywords:
multimode converter, conversion system, power management, MATLAB SIMULINK.
Energy Audit In Vishveshvarayya Iron And Steel Plant
Nandini k k.
Abstract:
Energy is an exertion of power. It can be obtained from different sources such as oil, coal, coke, electricity, gas etc. Other sources of energy are also present in nature in the form of solar energy, wind energy etc. The primary sources of energy for steel manufacturing include coke, electricity, furnace oil, LDO and by-products. Total electricity required for the plant is sourced from the grid only. Coke is being used as main fuel and also its various by-products are being produced in various processes. These by-products are also being used as fuel as per requirement in various areas of the plant. Diesel is used for DG sets and Rail locomotives. As one unit saved is two units generated, conservation of energy is very essential because VISL is one of the energy intensive industries. Many units are working with old technology and monitoring facility is less. With the new developments in the recent years, there is enormous scope for reducing the specific energy consumption. This paper describes the production process and energy saving opportunities in a plant at various sections.
Keywords:
Vishveshwarayya iron and steel plant, Ladle refining furnace, New receiving station, Variable voltage variable frequency drive,Steel making shop.
Instantaneous Buck Boost Converter with better Transient effect for battery Power Applications using Micro-Controller
Akshay.P, Divya K Pai
Abstract:
A transitional grouping mode of control is introduced using microcontroller for the buck boost converter. A constant output voltage is obtained by applying a input voltage from 8V to 14V along with increase in saturation. The price, efficiency, decrease in wrinkle in the waveform and voltage across the load can be superior. By introducing combination A and B between the three modes with better transient response which reduces the distortions in the output voltage. By using all the transitional combination mode, a ripple content will be decreased and efficiency can be better in the regulated output voltage.
Keywords:
Combination Mode, Efficiency, Micro Controller, Saturation, Transitional.
Extraction of Fetal ECG Parameterfrom the Composite Abdominal Signal
Adpaikar Shruthi Vasudev, Amita Dessai
Abstract:
The electrical activity of the fetus heart is basically the fetal electrocardiogram.FECG is a weak signal which is measured indirectly by placing the electrode on the surface abdomen of the mother. The Fetal signals contains many other interfering signal. Extraction of the fetal ECG parameters from the abdominal signal has an important value in clinical application and also enables continuous monitoring of the fetus status by means of analysing its cardiac activity. This paper proposes a non-invasive method for the FECG extraction by using a template for the cancellation of maternal QRS complex. The final results specify that the fetal R peaks can be easily detected under various circumstances without using the reference maternal thoracic signal.
Keywords:
FECG (fetal electrocardiogram), FHR (fetal heart rate), MECG (maternal electrocardiogram),AECG (abdominal electrocardiogram),SNR(signal to noise ratio).
Implementation of Memory for Industrial Applications: A Comparative Study
Shrunkhala Naik, Sonia Kuvelkar, Jan Gunke
Abstract:
Industrial applications require non volatile memory for long term storage of critical data such as configuration data, parameters and the device firmware. To serve this purpose, most devices are equipped with a SD card. However, in certain applications, it is beneficial to replace this SD card with a non-replaceable memory. In this work, a detailed study of memory technologies and the different ways in which they can be interfaced with a device was performed. The results are supported by a comparative study as well as behavioural simulations.
Keywords:
Flash, MRAM, FRAM, Verilog.
Simulation of Special Connection Scheme of Multi winding Transformers for Three to Five Phase Power Transformation
Rekha S. Kandolkar, Prof. S. B. Karapurkar
Abstract:
Multiphase (?3Ø) systems are greatly under research recently due to their inherent advantages compared to their three-phase (3Ø) counterparts. The Multiphase system applicability is explored in electric power generation, transmission, and utilization. The first multiphase motor drive proposal was given by Ward and Harrer way back in 1969.The grid supply is available as three phase supply, hence there is a static phase transformation system required to obtain a multiphase supply from the available three-phase supply. Multiphase Inverters and Special Transformer connection Technique are two methods used to convert Three-phase supply to Five-phase supply. In this paper three to five phase transformation using special multi-winding transformer connection scheme is presented. Three single phase Multiwinding transformers are designed, two transformers having one primary and three secondary windings and the third transformer has one primary and two secondary windings. The proposed transformer connection has three phase input and outputs five phases to transform balanced fixed voltage-fixed frequency three phase power into balanced fixed voltage-fixed frequency five phase power at its output. The special connection scheme of multi-winding transformers is simulated by using SIMPOWERSYSTEMS? block sets of MATLAB/SIMULINK software.
Keywords:
five phase (5Ø), multiphase, three phase (3Ø), transformer, Turn ratio, Higher Phase Order (HPO).
Enhancement of Load Voltage Regulation Using Electric Spring
Benzeeta Ann D’Souza, Dr. Nagesh Prabhu
Abstract:
Power grid connected to an intermittent renewable energy source is associated with voltage and frequency fluctuations. This paper aims to use an Electric Spring (ES) in a smart way to enhance the load voltage regulation and increase the stability of the system. In the proposed model the Electric Spring is connected in series with the Non Critical Load forms a smart load. The critical load is connected in shunt with this smart load whose voltage to be maintained constant. Depending on the type of Critical Load, the phase angle between the current of Non Critical Load (Znc) and ES voltage is controlled to maintain constant bus voltage. The simulation results show the effectiveness of ES in enhancing the load voltage regulation.
Keywords:
Electric Spring, smart load, load voltage regulation, stability.
A Blind digital Watermarking Algorithm based on DWT-DCT Transformation
Sukanti B. Mardolkar, Nayana Shenvi
Abstract:
In this paper we propose, a blind digital image watermarking algorithm based on combined DWT-DCT transformation with low frequency watermarking. The watermark embedding is carried out by modifying the wavelets coefficients of carefully selected DWT sub-band of a host image after two levels of DWT decomposition, followed by the application of the block based DCT transform on the selected sub-band. Watermark embedding is done using low frequency coefficients of each selected 4×4 DCT block. The watermarked host image is exposed to several watermark attacks. Experimental results demonstrate that the proposed algorithm is able to withstand a variety of common signal processing and geometric attacks.
Keywords:
Discrete Cosine Transform, Digital Image Watermarking, Discrete Wavelet Transform, PSNR.
Classification and Morphological Extraction of ECG Parameters
Phadte Sneha Kisan, Amita Dessai
Abstract:
Electrocardiogram (ECG) analysis is used to control and detect cardiac disorders. The amplitude and intervals of ECG control theproper functioning of heart. There is dissimilarity in the extracted features which belong to a normal ECG and irregular ECG hence these extracted features are valuable in ECG arrhythmia detection.Cardiac arrhythmia is a set of conditions in which the heartbeat is irregular, too slow, or too fast.This paper proposes ECG signal classification using anArtificial Neural Network classifier, based on feature extraction of the ECG signal with the help of signal processing algorithms. The management of cardiac disorders is doneby detecting and classifying the different ECG signals with the help of Artificial Neural Network.
Keywords:
Feature Extraction, Artificial Neural Network, ECG analysis, ECG Morphology, Noise Removal, Arrhythmia.
Solar-Wind Hybrid Power Generation Using Optimized Techniques for Distributed Generation
Jagadisha N, Asma Sumaira, Bhavana S, Muneera Begum, Suma V
Abstract:
Power generation is the process of generating electric power from other sources of primary energy. Unlike renewable energy sources, non-renewable energy sources will get depleted and also causes adverse affect on life on earth. Thus that calls for the usage of renewable energy sources for power generation. Solar and wind energy systems are omnipresent, freely available, environmentally friendly resources and they are considered as promising power generating sources due to their availability and topological advantageous of local power generations .In the present project work firstly we designed solar-wind hybrid model, made a prototype model for hybrid power generation and finally checked the suitability of the model in our college campus and results were discussed.
Keywords:
solar energy, wind energy, hybrid power generation.
Full Bridge Inverter Topology For Domestic Induction Heating Applications
Sowmya Shree J S, Deepesh K
Abstract:
Domestic induction heating (IH) is currently the choice in modern domestic application due to its advantages regarding fast heating time, efficiency and improved control. Induction heating applications require high frequency currents which are obtained using resonant converters. In this paper a novel DC-AC single phase inverter is proposed and simulated using MATLAB. When the switches are turned on and off, a conventional inverter generates switching loss because of the hard-switching. Thus the inverter loss is increased. Proposed system contains auxiliary circuit. The converter stage switches perform soft- switching because of the auxiliary circuit. Therefore all switches perform soft-switching when the switches are turned on and off. Thus the proposed system reduces switching loss and voltage stress.
Keywords:
Induction heating, resonant converter, hard switching, soft switching.
Five level inverter for renewable power generation system
Mahammed Sameer m Attar, K V Shettigar
Abstract:
Reformations in electricity sector along with various renewable energy promotion policies has increased the importance of small grid connected photovoltaic (PV) systems utilizing single-stage single-phase inverters. To improve the performance multilevel inverter are preferred over two levels. This paper proposes a single-stage five level inverter for grid connected (PV) system. The output current of the inverter can be adjusted according to the voltage of the photovoltaic (PV) array. This control scheme is based on SPWM topology. Schemes based on SPWM which do not require the service of a phase locked loop for interfacing the inverter to the grid are increasingly being employed for such applications. Performance evaluation of the five-level inverter is done on Matlab platform. The viability of the proposed scheme is confirmed by performing simulation and results validation.
Keywords:
Five level inverter, Cascaded H-bridge inverter, PWM, Solar PV array.
Hand-gesture Based Wheelchair with Emergency Message system using Arduino Microcontroller
Shilpa B, A Apoorva Bhat, Akshatha, Deeksha Prabhu, Pavitra Mahale
Abstract:
In this project, a different approach is used to drive a hand gesture based wheelchair with the help of Arduino Microcontroller. Gesture is a most natural, expressive way of communication between human and computer in real system. We naturally use various gestures to express our own intension in everyday life. Hand gesture is one of the important methods of non-verbal communications of the human being. Based on hand gesture, output is generated by RF Transmitter Arduino. This output serves as an input to RF Receiver Arduino. This Microcontroller runs the DC motor accordingly. The output of DC motor is used to run the wheelchair.
Keywords:
Gestures; Arduino Uno; ADXL335 Accelerometer; GSM Module.
Non- Invasive Method of Fetal ECG Extraction Using Hilbert Transform
Nivitha.M, Santhi.C
Abstract:
Fetal Electrocardiogram Extraction identifies the congenital heart problems at the earlier stage. One of the method for extracting fetal ECG is by using Noninvasive method but the noise and interference associate with the signal is more. So integrated approach for fetal heart beat detection from abdominal ECG signals is used. The signal is first processed by the first-order difference operation which remove the different types of noise in the signal, and then, the envelope of the differentiated signal is given by the Hilbert transform, which indicates both the maternal and fetal heart beats. After that, the non-linear state-space projections is applied to the envelope signal to remove the maternal heart beats, obtaining the fetal heart beats envelope. The validity and performance of the described method done by calculating SNR, MSE values and comparing with previous technique shows the proposed method provide better result. The Database for the ECG signal is taken from the Physionet Website[17].
Keywords:
difference operation; Hilbert transform; NSSP; SNR; MSE.
GPRS based SCADA implementation for multisensory security with SMS alerts
Priyanka somashekhar malabagi, Latha shenoy
Abstract:
This paper we have created on SCADA framework for observing and getting to the execution of gadget parameters, for example, voltage, temperature, frequency and current on continuously. These real time values send to GPRS technology using GPRS modem. We can secure the electrical circuitry utilizing the electromagnetic relay. Relay get initiated if any values of voltage , temperature, frequency, current cross the limit of predefined value. Relay is used as circuit breaker to switch off the main electrical supply. This system automatically sends the values of parameters periodically into predefined website. We can monitor and control the parameters on the internet. Central heart of this project is microcontroller. This microcontroller communicates with sensors and also provided some internal memory to hold the code. Here programmed using embedded C language. The appropriately composed SCADA system spares cash and time by disposing of the administration individual to visit every site for review, logging or information gathering or make alterations.
Keywords:
SCADA (supervisory control and data acquisition), SMS, sensors, GPRS, Remote monitoring system, microcontroller, GSM.
CanIS Android Mobile Application For College Notice Board
Disha M Kamath, Shrehith K Kotian
Abstract:
Many state-of-the-art and cutting-edge universities in the world rely on wooden notice board hanging on the wall to display announcements. We consider the case study of professional Colleges, where information is a vital key for knowing the updates of the campus.
Enhancement of Load Voltage Regulation by Series Reactance Emulation of SSSC
Shravya J, Dr.Nagesh Prabhu
Abstract:
The Voltage source converter(VSC) based series voltage compensator can inject a voltage in series with the transmission line. The component of injected voltage which is in quadrature with the line current emulates reactance. In this paper it is shown that the voltage at the receiving end is maintained constant by connecting Static Synchronous Series Compensator(SSSC) in series with the transmission line. If the receiving end voltage rises beyond the set voltage, the SSSC acts in inductive region by injecting voltage to lead the line current by 90° and the receiving end voltage is brought back to the set voltage. Similarly if the receiving end voltage reduces due to overloading it is brought back to the nominal voltage by making the SSSC to act in capacitive region by injecting voltage which lags the line current by 90°.The simulation results show the effectiveness of reactance emulation of SSSC to regulate the receiving end voltage and thereby enhances the voltage regulation.
Keywords:
FACTS, SSSC, VSC,voltage regulation.
Simulation and performance evaluation of TCSC for load voltage regulation
Himani Prabhakar, Dr. Nagesh Prabhu
Abstract:
Thyristor Controlled Series Compensator is a FACTS device which is majorly used to control the overloading and under loading conditions automatically. As the line current leads capacitive voltage, TCSC works in capacitive region and as the line current lags the capacitive voltage, TCSC works in inductive region. In this paper, Thyristor Controlled Series Compensator (TCSC) is connected in series with the transmission line to enhance the voltage regulation at receiving end when load is increased by emulating capacitive reactance. The mathematical modelling of TCSC is simulated using MATLAB Simulink. The theoretical background of TCSC is studied and implemented.
Keywords:
TCSC, FACTS, voltage regulation, capacitive reactance.
Abstract:
This paper deals with the implementation of maximum power point tracker (MPPT) for solar panel along with safe battery charging algorithm for lead acid battery. This is a stand-alone system with incremental conductance MPPT algorithm and can be used for stand-alone application. Single ended primary inductor converter (SEPIC) is used to match the impedance of solar panel and battery to deliver maximum power. Voltage and current from the solar panel is sensed and duty cycle of gating signal is varied accordingly by the algorithm to attain maximum power transfer.
Keywords:
MPPT, Incremental Conductance, Battery Changing Algorithm, SEPIC.
Abstract:
Performance of power electronic converters has become a major concern in the present day. Converters should be designed with the objective of gaining a high efficiency, increased reliability and less complexity. This paper presents the reliability analysis of three converters. Reliability of two-stage Interleaved boost converter, two-stage and single-stage PFC converter is measured. It is shown that number of components in a device effects the reliability of a system.
Keywords:
Reliability. MTBF, Power factor correction.
A Unique Variable Voltage Quadruple Boost Converter with lesser Voltage Stress on Switch
Suresh N G, Subramanya K
Abstract:
A unique transformer-less variable voltage quadruple interleaved boost converter with extremehigh-voltage transfer gain and decreased semiconductor voltage stress is featured. The proposed topology uses input-parallel output-series pattern for giving a much higher voltage gain excluding implemention of very large duty cycle. The projected converter not only be able to achieve high maximise voltage gain with lowered element count but also lessen the voltage stress of each active switches and diodes. So this makes one to opt lower voltage rating MOSFETs and diodes for minimising both switching and conduction losses. Along with, due to the charger of the blocking capacitor, the converter highlights spontaneous uniform current sharing characteristics of two interleaved phase for voltage boosting mode rather than adding an additional circuitry or complex control techniques. The operative principle and steady analysis as well as a comparison with other latest existing high boost topologies are showed. At last simulation results isshown to exhibit the effectiveness of the proposed converter.
Keywords:
Automatic uniform current sharing, high boostconverter, low voltage stress, transformer-less, voltage quadrupler.
Abstract:
In current power system many components are lead to the loss of energy without notice. One such appliance is street lamps or highway lamps which burn throughout night with high intensity. This can increase the consumption of fuel without use. Hence, saving of power though such loads will gives the positive impact on power system economics by saving the fuel. In this paper, a power saving mechanism has developed and presented through hardware implementation for street lamp. It consists of infrared sensor, transformers, passive rectifier, pulse width modulation strategy, photodiodes along with controller. The presented hardware is tested in laboratory and its performance is obtained by two ways. One is the intensity of lamp is minimized and second the lamps are completely switched off when there is no objects comes in between.
Keywords:
Sensors, IR LED, LED, HID Lamps, Microcontroller, Transformer, Voltage Regulator, Rectifier, Photodiodes, Resistors, Capacitors.