What is a Solid State Transformer?



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    With the advancements of semiconductor technology, solid state transformers (SST) which are flexible and can handle high power levels and very fast switching, have become a valid option to replace the conventional transformers in power substations.  Solid-state transformers can put out either AC or DC power, or take in AC and DC power and they can elimnate power-quality problems as well as lower the amount of current required to supply devices such as electric machinery, cutting down on losses associated with the transmission of electricity throughout the power grid.  With conventional transformers – they continually waste electricity, while solid-state transformers can reduce that waste.  Additionally as the smart grid grows, smarter technologies are needed to deal with things like renewable energy, charging times for electric vehicles and energy flowing into the grid from homes and businesses that have their own solar arrays or wind turbines. 

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