| http://www.w3.org/ns/prov#value | - A method of determining the directions of locations of sources of power harmonic components relative to a node interconnecting n branches of a power distribution network, wherein n is an integer greater than two, comprising the steps of:(a) monitoring current and voltage waveforms at least in (n-1) of said branches; (b) sampling the current and voltage waveforms to obtain analog current and voltag
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