Solar Optiverter – A Novel Hybrid Approach to the Photovoltaic Module Level Power Electronics
ABSTRACT In this paper the concept of an Optiverter is proposed as a novel class of photovoltaic (PV) module level power electronics systems. Functionally, the Optiverter is a hybrid technology that combines the ultrawide maximum power point tracking (MPPT) voltage...
A Power Electronic Traction Transformer Configuration with Low-Voltage IGBTs for Onboard Traction Application
ABSTRACT Solid-state transformer (SST) for onboard traction application is also addressed as power electronic traction transformer (PETT), which is used to replace the line frequency traction transformer (LFTT) and four-quadrant converter (4QC) to further improve...
3-PHASE LOAD SAFETY IMPLEMENTATION WITH AUTO TURN OFF AND AUTO TURN ON FACILITY
Abstract: The common problem with three-phase supply is absence of any one of the phase .this leads to damage of induction motor or any three – phase load .this project is designed to monitor the presence of three phase and to display condition of each phase on...
Port Controlled Hamiltonian Modelling and IDA-PBC Control of Dual Active Bridge Converters for DC Microgrids
ABSTRACT Power electronics based Medium-Voltage Direct Current (MVDC) Microgrids consist of several interconnected feedback-controlled switching converters. Such systems experience bus voltage stability challenges owing to the negative incremental resistance of...
Carrier-Based Digital PWM and Multirate Technique of a Cascaded H-Bridge Converter for Power Electronic Traction Transformers
ABSTRACT In the existing technique for power electronic converters with low switching frequency and multiple cells, the sampling frequency is always set at the same value as the control frequency, and the modulating wave in each cell updates itself when its...
RF CONTROLLED ROBOTIC BOAT TO TRAVEL IN WATER
Abstract: This project is a prototype boat that can travel in water. This robot is powered by 9V rechargeable battery. The direction of the robot can be controlled by an RF remote. This can be moved forward and reverse direction using geared motors of 60RPM. Also this...
A Modified DC Power Electronic Transformer Based on Series Connection of Full-Bridge Converters
ABSTRACT This paper proposes a novel DC power electronic transformer (DCPET) topology for locomotive, AC/DC hybrid grid, DC distribution grid and other isolated medium-voltage and high-power applications. Compared with conventional PET topology, the proposed DCPET has...
IMPLEMENTATION OF SOLAR WATER PUMP CONTROL WITH FOUR DIFFERENT TIME SLOTS FOR POWER SAVING APPLICATIONS
Abstract : The solar energy is converted into electrical energy by photo-voltaic cells. This energy is stored in batteries during the day time for it to be utilized to run water pump for agriculture. This project deals with a controlled charging mechanism with...
A Unified Power Flow Controller Using a Power Electronics Integrated Transformer
ABSTRACT This paper presents a Unified Power Flow Controller (UPFC) application of the Custom Power Active Transformer (CPAT); a power electronics integrated transformer which provides services to the grid through its auxiliary windings. The CPAT structure integrates...
ACCIDENT ALERT IN MODERN TRAFFIC SYSTEM WITH CAMERA.
ABSTRACT: This project is developed for the user to have accident alter in modern traffic system. This device can be used in highly accident area and pin drop curves to avoid accidents. It consists of two transmitter and two receivers ,One transmitter is connected ...
EVALUATION OF POWER PROCESSING IN SERIES-CONNECTED PARTIAL-POWER CONVERTERS
ABSTRACT This paper proposes an analytical methodology to evaluate the power processed by dc-dc converters operating as series voltage regulators, which provide an alternative to increase efficiency in photovoltaic systems. Via the analysis of both active and...
PYROELECTRIC BASED FIRE ALARM
ABSTRACT : The circuit of Pyroelectric Fire Alarm is an Ultra sensitive fire sensor that exploits the direct Piezo electric property of the Piezo element to detect fire. An ordinary Piezo element of Buzzer is used as the Fire sensor. The Lead TitanateZirconate...