This paper presents the analysis of Renewable Hybrid Power System (Wind Turbine and Solid Oxide Fuel Cell) connected to the Grid and the performances of front-end three phase power Inverter. In order to Inject more power to the Grid Safely, without creating disturbances at the Grid, the Power Conditioning System (PCS) is used. This type of Combination (Wind Turbine and Solid Oxide Fuel Cell) is...

Injection of wind power into an electric grid affects the power quality and reactive power issues at the connected electric network. Power quality problems such as voltage sag are some major concern. In this paper these issues are analyzed. Wind turbine connected to squirrel cage induction generator is modeled using PSCAD simulation software to analyze the said issues where STATCOM is introduce...

This paper focuses on optimal operation schedule of a Microgrid that is interconnected to the power grid. We develop a mathematical model to compute the optimal operation schedule that embodies demand response. Wind turbine, photovoltaic, fuel cell and micro turbine are considered as the only sources along with energy storage system (ESS) for supplying electricity to the micro-grid. In grid-con...

In recent years, most of the loads and distributed generations are connected to the AC grid through the power electronic converters. Using the DC grid beside the AC grid can reduce the conversion stages and power losses. Protection of the DC grids is a challenging issue because of the new structures of DC grids and fast transients of the DC faults. This paper studies the protection of the low v...

The present work investigates a real time implementation of a photovoltaic grid connected chain, based on fuzzy logic MPPT controller (FLC). The implementation is realized on a dSPACE 1104 single board, controlling a boost chopper in the PV array side and a VSI inverter in the grid side. The FLC tracks permanently the maximum power point of the PV array without any prior information on the syst...

This article presents a study scenario composed of a fixed speed wind turbine and a DStatcom with battery storage, connected to the distribution grid as an isolated system. The aim of the study is to demonstrate by means of simulating results how the DStatcom with storage can be a solution for a larger and better integration of the intermittent energy produced by DG in the electrical grid. In t...

The use of doubly fed induction generator in wind power plants has result in new necessities to maintain a reliable operation of the network. The tendency of the grid codes is to require the ability from the wind power plant to keep connected during and after grid disturbance, similarly to the synchronous generators requirements. This paper analyse the behaviour of a wind power plant equipped w...

KHAN, MOHAMMAD SAMEER. Analysis of Flyback-PV Inverter to Enable Low Voltage Ride-Through (LVRT) Operation During Grid Fault. (Under the direction of Dr. Subhashish Bhattacharya). Flyback based PV micro-inverter is a very popular low-cost solution for integrating the photovoltaic (PV) module to an AC grid. As the penetration level of these inverters in the grid is increasing, it may cause probl...

This paper presents a simple model predictive control (MPC) approach to control the power injection system (PIS) for renewable energy applications. A DC voltage source and a single-phase inverter that is connected to the grid by an LCL filter form the PIS. Grid voltage is considered a disturbance for the system. For eliminating this disturbance, a modified model is proposed. It is usual to ...

This paper presents a simple model predictive control (MPC) approach to control the power injection system (PIS) for renewable energy applications. A DC voltage source and a single-phase inverter that is connected to the grid by an LCL filter form the PIS. Grid voltage is considered a disturbance for the system. For eliminating this disturbance, a modified model is proposed. It is usual to ...