Grid Connected Solar Pv System Block Diagram

Grid connect solar power.

Grid connected solar pv system block diagram.

A grid connected photovoltaic system or grid connected pv system is an electricity generating solar pv power system that is connected to the utility grid a grid connected pv system consists of solar panels one or several inverters a power conditioning unit and grid connection equipment they range from small residential and commercial rooftop systems to large utility scale solar power stations. The consumers as well as the generators are directly connected to the ac grid. Grid tied on grid utility interactive grid intertie and grid backfeeding are all terms used to describe the same concept a solar system that is connected to the utility power grid. They plan to use the grid to supplement what they are able to make with renewable energy sources like the sun or wind.

In cases of excessive generation of energy e g. Inverters devices that convert dc power coming from the solar modules to ac power necessary for grid are critical components of any pv systems. In a fit program either conext xw pro xw or sw is. Pv panels or arrays power converters pv inverters and ac grid.

Stand alone photovoltaic systems stand alone pv systems are designed to operate independent of the electric utility grid and are generally designed and sized to supply certain dc and or ac electrical loads. Inverters convert dc power from the batteries or solar modules into 60 or 50 hz ac power. They are also called gridtie grid tie gridtied grid tied grid intertied grid intertied systems. As with all power system components the use of inverters results in energy losses due to interferences.

As the power generated by the pv arrays is dc power the power converter which is a power electronic based technology is required to convert the dc power from. However for homes that have a pv inverter system installed and are already selling power to the grid it is still possible to retrofit backup power using conext xw pro xw or sw inverter chargers. Here s a simple small 300 watt solar panel system with a 600 watt dc ac inverter just for an example. During grid outages pv inverter production cannot occur so a home with a pv inverter system installed will not have power during an outage.

A grid connect system is one that works in with the local utility grid so that when your solar panels produce more solar electricity than your house is using the surplus power is fed into the grid. Diagram of grid connected photovoltaic system. With a grid connect solar power system when your house requires more power than what your solar panels are producing then the balance of your electricity is supplied by the. The inverter is capable of controlling the power flow by varying the grid frequency.

Advantages of grid tied systems 1. High solar radiation and litte consumption the sunny island uses this surplus energy from the ac grid and charges the batteries. 6 6 and consists of three main components. Let s look closer at the benefits and downsides of grid tied off grid and hybrid solar systems.

A basic solar power system. You could utilize 3 100 watt panels listed below.