This paper proposes a high voltage ratio and low ripple interleaved boost DC-DC converter, which can be used to reduce the output voltage ripple. This converter transfers the low DC voltage of fuel cell to high DC voltage in DC link. The structure of the converter is parallel with two voltage-doublers boost converters by interleaving their output voltages to reduce the voltage ripple ratio. Bes...

This paper deals with permanent magnet synchronous generator (PMSG) based wind energy conversion system (WECS) integrated with grid with two back to back connected converters with a common DC link. The aim of this research is to model control of direct driven 1.5 MW wind turbine permanent magnetic synchronous generator (PMSG) which feeds alternating current (AC) power to the utility grid .The m...

An experimental comparative study of various controllers for a class of ac–dc converters, known as power factor precompensators (PFP) is presented. The control objective is to robustly regulate the output voltage to a desired constant level in the presence of variations in the load, while retaining a unit power factor at the input, i.e., the input current should follow in frequency and in phase...

Radio-frequency capacitively coupled plasmas that incorporate structured electrodes enable increases in the electron density within spatially localized regions through the hollow cathode effect (HCE). This enables enhanced control over the spatial profile of the plasma density, which is useful for several applications including materials processing, lighting and spacecraft propulsion. However, ...

The modeling, simulation and experimental validation of the primary bus components of a dc power system testbed are presented herein. This reduced scale and reduced complexity dc testbed is representative of medium voltage dc (MVDC) systems being considered for shipboard next generation integrated power systems (NGIPS). The primary system components include a 4-pole wound-rotor synchronous gene...

In this paper we proposed an advanced Multi-level converters with ride through capability for unified power-flow controller (UPFC) applications, because of high power ratings Among all multilevel topologies, the three-level neutral-pointclamped (NPC) converter allows back-to-back connection as the UPFC shunt and series converters gives us better results. Besides the pulse widthmodulated (PWM) m...

Abstract:The aim of this paper is analyzing the operation of stand-alone wind turbine system with variable speed permanent magnet synchronous generator (PMSG) and a system for storing energy during wind speed and load variations and supply the single phase energy for domestic appliances. The power absorbed by the connected loads can be effectively delivered and supplied by the proposed wind tur...

Electrified ports using medium-voltage DC (MVDC) renewable energy microgrids require current-fed dc/dc converters in application scenarios such as battery or ultracapacitor charging units and hydrogen production systems. This paper designs a three-level phase-shift full-bridge (TL-PSFB) converter that interfaces with the MVDC microgrid. Its operation current source mode requires wide output vol...