SOME CONTROL STRATEGIES FOR GRID CONNECTED HYBRIDSOLAR- PVAND WIND POWER GENERATING SYSTEM

Abstract

There is a required research on use of alternate energy sources due to fast vast exhaustion of fossil fuel resources. Solar power or Wind power alone can fluctuate and result in reduced efficiency and poor reliability. A wind-solar hybrid system is a reliable alternative energy source that is, both systems are dependable and consistent. This paper bids with hybrid distributed generator mainly based on photovoltaic and wind driven Permanent Magnet Synchronous Generator (PMSG). In this, distributed generator system (DGs), the sources are connected to the grid with the assistance of only one boost converter through an inverter. This paper is focused on new topology, the hybrid dispensed generator having photovoltaic (PV) array which is instantly connected to dc link instead of being accompanying via a dc-dc converter. As compared to ancient scheme, this scheme finds that it requires less number of power converters, and therefore complexity for controller is reduced, also switching and conduction losses would be reduced. For monitoring maximum energy and maintaining the dc link, in addition to grid side parameters, the three different controllers are implemented under the influence of the different transient conditions. The performance of the system under various condition is studied, and modelling and simulation of photovoltaic and wind driven permanent magnet synchronous generator, also balancing the parameters of grid side has been analyzed in MATLAB-SIMULINK.