Showing 37–48 of 451 results
A New SVM Method to Reduce Common-mode Voltage in Direct Matrix Converter Abstract?A New SVM Method to Reduce Common-mode Voltage in Direct Matrix Converter. on the common-mode voltage < Final Year Projects 2016 > CMV reduction in direct matrix converter (MC) using direct space vector modulation (DSVM) (SVM) method. Even though a Previous DSVM method…
A Novel and Lightweight System to Secure Wireless Medical Sensor Networks Abstract? A Novel and Lightweight System to Secure Wireless Medical Sensor Networks. Wireless medical sensor networks (MSNs) are a key enabling technology in e-healthcare that allows the data of a patient’s vital body parameters to be collected by the wearable or implantable biosensors. However,…
A Novel DC Current Injection Suppression Method for Three-Phase Grid-Connected Inverter without the Isolation Transformer Abstract-Grid-connected inverters without isolation transformer usually have certain amount of dc component injected to the ac grid due to current sensor error,tolerance of power switching device, asymmetry of PWM gating driving pulses etc. Many efforts, such as using blocking capacitor,…
A Novel DC-Power Control Method for Cascaded H-Bridge Multilevel Inverter Abstract– The cascaded H-bridge converter has been widely used in industry. The ability of dealing with unequal power generation among dc links is necessarily required in many applications, such as large-scale photovoltaic power plants and electric vehicles.A simplified modulation strategy is introduced to implement the…
A Novel Dual Switching Frequency Modulation for Z-Source and Quasi Z-Source Inverters Abstract-Impedance network inverters (INIs) are the best alternatives for voltage-source and current-source inverters. Boosting capability and shoot-through solution of such converters make them excellent solutions for various applications. Nevertheless, hard switching forces the converter to operate in low switching frequency which results in…
A NOVEL FACTS COMPENSATION SCHEME FOR POWER QUALITY IMPROVEMENT IN WIND SMART GRID Abstract? presents a novel FACTS based Static Switched Filter Compensation (SSFC) scheme. This FACTS SSFC scheme is an effective power quality mitigation, voltage stabilization, power losses reduction and power factor enhancement tool for wind schemes interfaced with Smart Grid-Distribution Networks. The FACTS…
A novel image steganography scheme with high embedding capacity and tunable visual image quality based on a genetic algorithm Abstract?AbstractIn power system, minimizing the power loss in the transmission lines and/or minimizing the voltage deviation at the load buses by controlling the reactive power is referred as optimal reactive power dispatch (ORPD). This paper presents…
A Novel Multilevel Multi-Output Bidirectional Active Buck PFC Rectifier Abstract? A new family of buck type PFC (power factor corrector) rectifiers that operates in CCM (continuous conduction mode) and generates multilevel voltage waveform at the input. Due to CCM operation, commonly used AC side capacitive filter and DC side inductive filter are removed from the…
A Novel Non-isolated Z-source DC-DC Converter for Photovoltaic Applications Abstract-Pollution problems caused by fossil fuels has lead more investigations on renewable energy systems. Photo-voltaic cells and fuel-cells output low level voltage than required, therefore, high gain dc dc converters are used to boost this low voltage. The Z-source converter can be employed as dc-dc converter…
A Novel Step-up Multi-Input DC-DC Converter for Hybrid Electric Vehicles Application Abstract? A multi-input DC-DC converter is proposed and studied for hybrid electric vehicles (HEVs). Compared to conventional works, the output gain is enhanced. Fuel cell (FC), photovoltaic (PV) panel and energy storage system (ESS) are the input sources for proposed converter. The FC is…
A Novel Three-Phase Current Source Rectifier With Delta-Type Input Connection to Reduce the Device Conduction Loss Abstract? The three-phase current source rectifier (CSR) features a step-down ac?dc voltage conversion function, smaller ac filter size compared with the traditional two-level voltage source rectifier, and inrush current limiting capability. However, large conduction loss of semiconductor devices has…
A Novel Zero-Current-Transition PWM DC-DC Converter with Coupled Inductor Abstract?A novel topology of a non-isolated buck converter with zero-current-transition (ZCT) capabilities is presented. In order to realize ZCT condition, the auxiliary circuit consists of a coupled inductor, a capacitor and an auxiliary switch, which also operates with a ZCT condition. < final year projects >…
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