Abstract: An electrical quantity measuring system includes an electrical circuit of an electrical distribution network and an electrical quantity measuring apparatus. The apparatus includes a synchronization module structured to generate a synchronization signal; and a first measurement apparatus connectable to an electrical circuit and structured to receive the synchronization signal and provide a first Fourier transform coefficients representing a first electrical quantity associated with the electrical circuit and a first delay value depending on a time offset between a measurement instant associated with the measure of the first electrical quantity and a reception instant of the synchronization signal at the first measurement apparatus. The measuring apparatus also comprises a processing module structured to process the first Fourier transform coefficients and the first delay value and provide first time-shifted Fourier transform coefficients representing a first synchronized measured electrical quantity.

Abstract: An electrical quantity measuring system includes an electrical circuit of an electrical distribution network and an electrical quantity measuring apparatus. The apparatus includes a synchronization module structured to generate a synchronization signal; and a first measurement apparatus connectable to an electrical circuit and structured to receive the synchronization signal and provide a first Fourier transform coefficients representing a first electrical quantity associated with the electrical circuit and a first delay value depending on a time offset between a measurement instant associated with the measure of the first electrical quantity and a reception instant of the synchronization signal at the first measurement apparatus. The measuring apparatus also comprises a processing module structured to process the first Fourier transform coefficients and the first delay value and provide first time-shifted Fourier transform coefficients representing a first synchronized measured electrical quantity.

Abstract: Electrical quantity measuring apparatus, comprising: a synchronization module structured to generate a synchronization signal; and a first measurement apparatus connectable to an electrical circuit and structured to receive the synchronization signal and provide a first Fourier transform coefficients representing a first electrical quantity associated with the electrical circuit and a first delay value depending on a time offset between a measurement instant associated with the measure of the first electrical quantity and a reception instant of the synchronization signal at the first measurement apparatus. The measuring apparatus also comprises a processing module structured to process the first Fourier transform coefficients and the first delay value and provide first time-shifted Fourier transform coefficients representing a first synchronized measured electrical quantity.

Abstract: The present invention relates to an optical fiber cable comprising a filling material and to the composition of said filling material. In particular, the filling composition according to the present invention comprises an internal polyolefin oligomer to provide an improved capacity for wetting the coating surfaces of the optical fibers which it comes into contact with, and provides better slip of the optical fibers embedded in the composition. The oligomers of the invention comprise internal polyolefins obtained by polymerizing two or more hydrocarbon monomeric units having at least one unsaturation distributed randomly along the whole hydrocarbon chain wherein a mixture of these monomeric units comprises a maximum of 10% of monomeric units having the double bond in the &agr;-position.

Abstract: Insulating and anticorrosive composition for electrical devices consisting of two semifluid components that are mixed together at the time of application, whereinA) the first component includesfrom 20 to 35 parts (w/w) of a bitumen having a softening point of at least 90.degree. C.,from 1.5 to 7 parts (w/w) of a hydrocarbon resin,from 0.5 to 5 parts (w/w) of an alkylbenzene,from 35 to 60 parts (w/w) of resin oil, andfrom 10 to 30 parts (w/w) of olein,B) the second component includesfrom 40 to 60 parts (w/w) of a mixture of partially hydrogenated terphenyls and quaterphenyls,from 0.5 to 5 parts (w/w) of a styrene/butadiene block copolymer,from 5 to 30 parts (w/w) of calcium oxide, andfrom 10 to 50 parts (w/w) of calcium hydroxide.