Method and device for analysing the quality of the electrical energy in a three-phase electric network
AssigneeSchneider Electric Industries SAS
InventorsBenoit Leprettre, Octavian Craciun, Seddik Bacha, Pierre Granjon, Daniel Radu
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Abstract
A method for analyzing quality of electrical energy in a three-phase electric network, the method including: measuring a set of electrical magnitudes, the set including one electrical magnitude per phase; forming a space vector from an instantaneous three-dimensional transformation of the set of measured electrical magnitudes; and determining a set including at least one parameter representative of the quality of the electrical energy in the three-phase electric network, according to the space vector.
Claims17
1-16. (canceled)
A method for analyzing quality of electrical energy in a three-phase electric power system, the method comprising:
- measuring a set of electrical quantities, the set including one electrical quantity per phase;
- forming a space vector from an instantaneous three-dimensional transformation of the set of measured electrical quantities;
- and
- determining a set including at least one parameter representative of the quality of the electrical energy in the three-phase electric power system, according to the space vector.
A device for analyzing quality of electrical energy in a three-phase electric power system, comprising:
- means for measuring a set of electrical quantities, the set including one electrical quantity per phase;
- means for forming a space vector from an instantaneous three-dimensional transformation of the set of measured electrical quantities;
- means for determining a set including at least one parameter representative of the quality of the electrical energy in the three-phase electric power system, according to the space vector.
Dependencies are inferred from the claim text.