A Multi-load Wireless Power Transfer System with Series-parallel-series (SPS) Compensation
ABSTRACT This letter proposes a novel wireless power transfer (WPT) system with repeater coils for multiple loads. Every two repeater coils form a repeater unit where one is used to receive power from its preceding unit and the other transmits power to the subsequent...
Improved Pulse Density Modulation for Semi-bridgeless Active Rectifier in Inductive Power Transfer System
ABSTRACT This paper proposes an improved pulse density modulation (IPDM) power control method for semi-bridgeless active rectifier (SBAR) in inductive power transfer (IPT) system. In this method, the input voltage pulse sequences of the SBAR can be distributed more...
FOUR QUADRANT DC MOTOR CONTROLS WITHOUT MICROCONTROLLER
ABSTRACT: The project is designed to develop a four quadrant control system for a DC motor. The motor is operated in four quadrants i.e. clockwise; counter clock-wise, forward brake and reverse brake. The four quadrant operation of the dc motor is best suited for...
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...