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On-GRID Power Systems (Without Battery)
An On-grid/grid tie system, generates power and runs the load requirements during day time. Any excess power generated is exported back to the utility this concept is called net-metering. The power produced from the solar array runs to the Grid-Tie inverter which converts the DC power into AC power, which flows to the utility grid connected in parallel with the load; the main electrical appliances. There will be no batteries in this type of system, and solar power usage is restricted to the availability of sunlight. The inverters used contain built-in intelligence which will enable the capability to characterize the integration interface and to adapt to the anticipated and real changes related to the state of the utility grid. Advanced, integrated inverter/controllers will be the enabling technology to maximize the benefits of residential and commercial solar energy systems, both to the system owners and to the utility distribution network as a whole