Power quality has finally made the big time in the United States, getting mentioned at the federal level under the Energy Independence and Security Act of 2007. One of the smart grid functions is stated as "the ability to measure or monitor electricity use as a function of time of day, power quality characteristics such as voltage level, current, cycles per second, or source or type of generation and to store, synthesize or report that information by digital means." It may seem small in a hundred-page document, but it's a start, especially with all that's said about the smart grid.
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