Any civilization in which powerful people can and will try to prevent the common people from gaining access to something that will provide widespread benefit is very obviously broken.
EDIT: The microinverter senses the frequency and phase of the existing grid power through the wall outlet and matches it—a process known as phase-locking—before enabling power generation.
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Easy-to-use solar panels are coming but utilities are trying to delay them | Spyke
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Any civilization in which powerful people can and will try to prevent the common people from gaining access to something that will provide widespread benefit is very obviously broken.
Thats basically every civilisation, power doesn't like to be liberated
How do they sync with the mains AC?
EDIT: The microinverter senses the frequency and phase of the existing grid power through the wall outlet and matches it—a process known as phase-locking—before enabling power generation.