Using solar energy, for example, I am told that excess energy can be sold back to the grid. How does this exactly work? Maybe I am a bit confused due to thinking about the analogy of water pressure / flow rate in a pipe network being similar to voltage / current in an electrical network. If your home generated excess energy, how would it overcome the high voltage / current of the grid?
In: Engineering
The same way your solar panels can overcome the voltage in your house and feed your appliances. Your solar panels create DC voltage which must be converted to AC through the use of an inverter. The inverter is connected to your breaker box and senses the voltage coming into your house. It converts that DC voltage into AC voltage that’s 1 volt higher than what’s being fed into the house.
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