by nexgentech | Oct 31, 2017 | ieee project
CONTROL STRATEGY OF WIND TURBINE BASED ON PERMANENT MAGNET SYNCHRONOUS GENERATOR AND ENERGY STORAGE FOR STAND-ALONE SYSTEMS Abstract: This paper investigates a variable speed wind turbine based on permanent magnet synchronous generator and a full-scale power converter...
by nexgentech | Oct 31, 2017 | ieee project
Bipolar Operation Investigation of Current Source Converter-Based Wind Energy Conversion Systems Abstract A series-connected current source converter (CSC)-based configuration has recently been proposed for offshore wind energy conversion systems. A big challenge...
by nexgentech | Oct 31, 2017 | ieee project
REPLACING THE GRID INTERFACE TRANSFORMER IN WIND ENERGY CONVERSION SYSTEM WITH SOLID- STATE TRANSFORMER Abstract In wind energy conversion systems, the fundamental frequency step-up transformer acts as a key interface between the wind turbine and the grid. Recently,...
by nexgentech | Oct 31, 2017 | ieee project
A Medium Frequency Transformer-Based Wind Energy Conversion System Used for Current Source Converter Based Offshore Wind Farm Abstract Offshore wind farms with series-interconnected structures are promising configurations because bulky and costly offshore...
by nexgentech | Oct 31, 2017 | ieee project
NON-LINEAR PWM CONTROLLED SINGLE-PHASE BOOST MODE GRID-CONNECTED PHOTOVOLTAIC INVERTER WITH LIMITED STORAGE INDUCTANCE CURRENT Abstract A non-linear PWM controlled single-phase boostmode photovoltaic grid-connected inverter with limited storageinductance current is...
by nexgentech | Oct 31, 2017 | ieee project
MODIFIED SINGLE-PHASE SINGLE-STAGE GRIDTIED FLYING INDUCTOR INVERTER WITH MPPT AND N SUPPRESSED LEAKAGE CURRENT Abstract In this paper, an improved transformer-less single-phase single-stage grid-tied flying inductorinverter is presented. The negative...
by nexgentech | Oct 31, 2017 | ieee project
SINGLE-STAGE THREE-PHASE CURRENT-SOURCE PHOTOVOLTAIC GRID-CONNECTED INVERTER WITH HIGH VOLTAGE TRANSMISSION RATIO Abstract This paper proposes a circuit topology of single-stage three-phase current-source photovoltaic (PV) grid-connected inverter with high voltage...
by nexgentech | Oct 31, 2017 | ieee project
A Multilevel Transformerless Inverter employing Ground Connection between PV Negative Terminal and Grid Neutral point Abstract For the safe operation of transformerless grid connected PV inverters, the issue of common mode (CM) leakage current needs to be addressed...
by nexgentech | Oct 31, 2017 | ieee project
Design of Cuk Derived TransformerlessCommon Grounded PV Micro-inverter in CCM Abstract Photovoltaic micro-inverters dispense withthe line frequency transformer, however at the cost ofsystem grounding and ground leakage current problems.These have been erstwhile...
by nexgentech | Oct 31, 2017 | ieee project
REACTIVE POWER CONTROL FOR SINGLE-PHASE GRID-TIE INVERTERS USING QUASI SINUSOIDAL WAVEFORM Abstract The paper presents a reactive power controltechnique for single-phase Photovoltaic (PV) inverters, especiallyunfolding inverters. The proposed system retains the...