SVM STRATEGIES FOR MULTIPHASE VOLTAGE SOURCE INVERTERS
ABSTRACT This paper compares Space Vector Modulation (SVM) strategies for multiphase inverters. Symmetric, discontinuous, and group-based SVM and Sinusoidal Pulse Width Modulation (SPWM) are compared against each other. Implementation techniques for n-phase modulation...
AUTOMATIC PLANT WATERING SYSTEM
ABSTRACT: This is one of the most useful project in the field of agriculture or in homes. The main concept of this project is to watering the plants automatically without any human interference. This project is also used in the field of agriculture to watering the...
A BIDIRECTIONAL THREE – LEVEL LLC RESONANT CONVERTER WITH PWAM CONTROL
ABSTRACT This paper proposes a bidirectional three-level LLC resonant converter with a new pulse width and amplitude modulation (PWAM) control method. With different control signals, it has three different operation modes with different voltage gains. Therefore, it...
HIGHLY EFFICIENT ASYMMETRICAL PWM FULL-BRIDGE CONVERTER FOR RENEWABLE ENERGY SOURCES
ABSTRACT This paper presents a highly efficient asymmetrical pulse-width modulated (APWM) full-bridge converter for renewable energy sources. The proposed converter adopts full-bridge topology and asymmetric control scheme to achieve the zero-voltage switching (ZVS)...
ELECTRICITY GENERATION FROM SPEED BREAKERS
ABSTRACT: Day by day, the population is increasing in the entire world and the energy sources are reducing. Therefore, to overcome this problem this project is very useful to generate electricity by utilizing the conventional sources.When a vehicle passes over a speed...
LOW COST FIRE ALARM SYSTEM
ABSTRACT: This fire alarm system project is used to detect a fire and generate an alarm to alert the people in the buildings, offices and where it is installed. This project uses a BC177 transistor to sense the heat produced due to the fire. A preset level can...
HIGH EFFICIENCY BI-DIRECTIONAL CONVERTER FOR FLYWHEEL ENERGY STORAGE APPLICAT
ABSTRACT A bidirectional converter (BDC) is essential in applications where energy storage devices are involved. Such applications include transportation, battery less UPS, Flywheel Energy Storage (FES) systems etc. Bidirectional power flow through buck and boost mode...
INCOMING CALL INDICATION FOR MOBILE
ABSTRACT: The digital stop watch with an LCD display is used to measure the time required for a particular event. This watch is quite different compared with other clocks in many ways This watch needs much more accuracy than the normal clocks. This project uses an...
SWITCHING-GAIN ADAPTATION CURRENT CONTROL FOR BRUSHLESS DC MOTORS
ABSTRACT In this paper, a current control scheme with switching-gain adaptation is proposed for brushless DC motors. The scheme includes two components, namely a continuous control component and a switching control component. The continuous control component is...
IMPLEMENTATION OF LASER MUSIC SYSTEM
ABSTRACT: Automatic Street Light Control System is a simple yet powerful concept, which uses transistor as a switch. By using this system manual works are 100% removed. It automatically switches ON lights when the sunlight goes below the visible region of our eyes....
BLDC MOTOR DRIVEN SOLAR PV ARRAY FED WATER PUMPING SYSTEM EMPLOYING ZETA CONVERTER
ABSTRACT This paper proposes a simple, cost effective and efficient brushless DC (BLDC) motor drive for solar photovoltaic (SPV) array fed water pumping system. A zeta converter is utilized in order to extract the maximum available power from the SPV array. The...
CHARGE AND LOAD PROTECTION IN SOLAR POWER MANAGEMENT
ABSTRACT: Solar energy is converted into electrical energy by photo-voltaic cells. This energy is stored in batteries during day time to be utilized during night time. This project deals with a controlled charging mechanism that avoids over charge, deep discharge and...