Abstract: A Module (MA) for a system (100.S/200.S) suitable for estimating the value of the electric voltage comprises at least a first capacitor (C1.sx) and a second capacitor (C1.dx. The first capacitor (C1. left) comprises a first pole (C1.sx.p1) and a second pole (C1.sx.p2). The second capacitor (C1.dx) includes a first pole (C1.dx.p1) and a second pole (C1.dx.p2). The first capacitor (C1.sx) has its first pole (C1.sx.p1) connected to said live element (ET) and the second capacitor (C1.dx) has its first pole (C1.dx.p1) connected to said live element (ET).

Abstract: A system for estimating the value of the electrical voltage relating to a live n element ET. The system comprises a first capacitor C1.sx, a second capacitor C1.dx, a third capacitor C2.sx, a fourth capacitor C2.dx, a fifth capacitor C3.dx. The System may include a modular structure.

Abstract: A sensor assembly includes an electrode, a tubular section, and a mass of dielectric material extending along a longitudinal axis, the tubular section at least partially surrounding and radially spaced from the electrode. The tubular section includes a tubular support member comprising electrically insulating material, an inner electrically conductive material disposed on an inner surface of the support member, a first tubular electric screen disposed on an outer surface of the support member and electrically isolated from the inner electrically conductive material, and a second tubular electric screen extending in a direction along the longitudinal axis beyond an axial end of the tubular support member.

Abstract: A method relating to a grid for the distribution of electricity comprises a primary substation CP and at least one secondary substation CS.100/CS.200/CS.300. By means of said system the following operations are carried out: 1a)_to detect by means of a PMU 17 the values of the current at the beginning of a first line L1.MT by means of a current transformer 16; 1b)_to detect by means of a PMU 17 the voltage values at the output of a measurement voltage transformer 15; 1c)_to detect by means of a PMU 151/251/351 the voltage values at the output of at least one voltage reduction apparatus (120/130/230/330). A system to implement the same method.

Abstract: A capacitive voltage sensor assembly includes a first electrode extending along a longitudinal axis, a tubular section surrounding a portion of the first electrode and positioned radially outward from the longitudinal axis and the first electrode, the tubular section including an insulating layer, an inner conductive layer, and an outer conductive layer, and a mass of dielectric insulating material at least partially enclosing the first electrode and the tubular section. The mass of dielectric insulating material fills through openings formed in the tubular section.

Abstract: A sensor assembly includes an electrode extending along a longitudinal axis and a tubular section extending along the longitudinal axis and at least partially surrounding the electrode such that the tubular section is radially spaced from the electrode, the tubular section including a first layer made of an electrically insulating material and having a first length, a second layer made of an electrically conductive material disposed on an inner surface of the first layer and having a second length, and a third layer made of an of electrically conductive material disposed on an outer surface of the first layer and having a third length. The sensor assembly also includes a mass of dielectric material at least partially enclosing the electrode and the tubular section. The mass of dielectric insulating material fills through openings in the tubular section, and the second length and the third length are coextensive.

Abstract: A method relating to a system for a line for the distribution of electrical energy comprises: a primary substation (CP) comprising a conductor (11), an HV/MV voltage transformer (12), a second conductor 13, a busbar (14), an initial portion of a first distribution line (L 1.MT), a measurement voltage transformer (15), a first current transformer (16) and a first PMU (51); a first medium voltage distribution line (Ll.MT); a first secondary substation (CS.100) comprising a third conductor (110), a second current transformer (116), a first voltage reduction apparatus (120) and a second PMU (151); and a second secondary substation (CS.200) comprising a fourth conductor (210), a second voltage reduction apparatus (230) and a third PMU (251); wherein said system comprises a receiving processing unit (UR); and wherein said method provides for carrying out operations in order to perform a calibration in relation to the first (120) and second (230) voltage reduction apparatus. A related system.

Abstract: A method relating to a system for a line for the distribution of electrical energy comprises: a first distribution line (L1.MT); a first secondary substation (CS.100) comprising a first current transformer (116), a measurement voltage transformer (120) and a first PMU (151); and a second secondary substation (CS.200) comprising a second conductor (210), a first voltage reduction apparatus (230) and a second PMU (251), in which said method provides for carrying out operations in order to perform a calibration in relation to the first voltage reduction device (230) located in the second secondary substation (CS.200). A relative system.

Abstract: Method for estimating the voltage value relating to a live element uses five capacitors, wherein a first capacitor has its first pole connected to said live element; a second capacitor has its first pole connected to said live element; a third capacitor has its first pole connected to the second pole of the first capacitor and its second pole connected to ground; a fourth capacitor has its first pole connected to the second pole of the second capacitor and its second pole connected to the first pole of a fifth capacitor. The voltage value is estimated using: 1) a voltage value relating to a first node positioned along the conducting wire that connects the first capacitor to the third capacitor 2) a voltage value relating to a second node positioned along the conducting wire that connects the fourth capacitor to the fifth capacitor; 3) a capacitance value of the third capacitor; 4) a capacitance value of the fourth capacitor; 5) a capacitance value of the fifth capacitor.

Abstract: A capacitive voltage sensor assembly includes a first electrode extending along a longitudinal axis, a tubular section surrounding a portion of the first electrode and positioned radially outward from the longitudinal axis and the first electrode, the tubular section including an insulating layer, an inner conductive layer, and an outer conductive layer, and a mass of dielectric insulating material at least partially enclosing the first electrode and the tubular section. The mass of dielectric insulating material fills through openings formed in the tubular section.

Abstract: A capacitive voltage sensor assembly includes a first electrode extending along a longitudinal axis, a tubular section surrounding a portion of the first electrode and positioned radially outward from the longitudinal axis and the first electrode, the tubular section including an insulating layer, an inner conductive layer, and an outer conductive layer, and a mass of dielectric insulating material at least partially enclosing the first electrode and the tubular section. The mass of dielectric insulating material fills through openings formed in the tubular section.

Abstract: A capacitive voltage sensor includes an electrode extending along a longitudinal axis, a tubular portion including a layer of electrically insulating material, a layer of electrically conductive material positioned radially inward of the layer of electrically insulating material in a direction toward the longitudinal axis, and an outer shield configured as a latticelike network and positioned radially outward of the layer of electrically insulating material in a direction away from the longitudinal axis. The layer of electrically conductive material, the layer of electrically insulating material, and the outer shield each surround and is spaced in a direction radially outward from the longitudinal axis and from a portion of the electrode. A mass of dielectric insulating material at least partially encapsulating the electrode and the tubular portion and fills through holes formed in the latticelike network of the outer shield.

Abstract: A capacitive voltage sensor assembly includes a first electrode extending along a longitudinal axis, a second electrode surrounding a portion of the first electrode and positioned radially outward from the longitudinal axis and the first electrode, the second electrode including a flexible tubular portion, and a mass of dielectric insulating material at least partially encapsulating the first electrode and the second electrode. The flexible tubular portion is configured to move during solidification of the mass of dielectric resin, and the mass of dielectric resin fills through openings formed in the second electrode and forms a unitary insulating carrier structure for the first electrode and the second electrode.

Abstract: A sensor assembly includes a connecting bar extending along a longitudinal axis and a tubular body extending along the longitudinal axis and at least partially surrounding the connecting bar such that the tubular body is radially spaced from the connecting bar. The tubular body includes a first skirt portion, a first plurality of cantilevered tabs extending from the first skirt portion in a first direction parallel to the longitudinal axis, a second skirt portion, and a second plurality of cantilevered tabs extending from the second skirt portion in a second direction opposite the first direction.

Abstract: A sensor assembly includes an electrode extending along a longitudinal axis and a tubular section extending along the longitudinal axis and at least partially surrounding the electrode such that the tubular section is radially spaced from the electrode, the tubular section including a first layer made of an electrically insulating material and having a first length, a second layer made of an electrically conductive material disposed on an inner surface of the first layer and having a second length, and a third layer made of an of electrically conductive material disposed on an outer surface of the first layer and having a third length. The sensor assembly also includes a mass of dielectric material at least partially enclosing the electrode and the tubular section. The mass of dielectric insulating material fills through openings in the tubular section, and the second length and the third length are coextensive.

Abstract: A capacitive voltage sensor assembly includes an electrode extending along a longitudinal axis, the electrode having a first end and a second end opposite the first end, and a tubular shield surrounding and spaced radially outward from a portion of the electrode. The tubular shield includes a plurality of through holes. The sensor assembly also includes a circular sensor element positioned radially inward of the tubular shield and including a first layer made of electrically conductive material and a second layer made of electrically insulating material. The circular sensor element includes a plurality of circumferentially spaced gaps.

Abstract: A capacitive voltage sensor assembly includes a first electrode extending along a longitudinal axis, a second electrode surrounding a portion of the first electrode and positioned radially outward from the longitudinal axis and the first electrode, the second electrode including a flexible tubular portion, and a mass of dielectric insulating material at least partially encapsulating the first electrode and the second electrode. The flexible tubular portion is configured to move during solidification of the mass of dielectric resin, and the mass of dielectric resin fills through openings formed in the second electrode and forms a unitary insulating carrier structure for the first electrode and the second electrode.

Abstract: A sensor assembly includes a connecting bar extending along a longitudinal axis and a tubular body extending along the longitudinal axis and at least partially surrounding the connecting bar such that the tubular body is radially spaced from the connecting bar. The tubular body includes a support member made of insulating material. The tubular body also includes a first section with an electric field sensor comprising a first layer of electrically conductive material on an inner surface of the support member to detect an electric field produced by the connecting bar. The first section also includes a first electric screen comprising a second layer of electrically conductive material on an outer surface of the support member to shield the electric field sensor from outside electrical interference. A second section disposed adjacent the first section includes a second electric screen. A dielectric material at least partially encloses the tubular body.

Abstract: A capacitive voltage sensor assembly includes a first electrode extending along a longitudinal axis, the first electrode including a first end and a second end opposite the first end, a second electrode surrounding the second end of the first electrode, the second electrode including a tubular portion having a first end and a second end opposite the first end, and a base portion coupled to the first end of the tubular portion, and a mass of dielectric insulating material at least partially encapsulating the first electrode and the second electrode. The tubular portion includes a plurality of cantilevered tabs interconnected at the first end of the second electrode. Each tab of the plurality of cantilevered tabs is circumferentially separated from an adjacent tab of the plurality of cantilevered tabs to define a gap therebetween at the second end of the second electrode.

Abstract: A sensor assembly includes a connecting bar extending along a longitudinal axis and a tubular body extending along the longitudinal axis and at least partially surrounding the connecting bar such that the tubular body is radially spaced from the connecting bar. The tubular body includes a first skirt portion, a first plurality of cantilevered tabs extending from the first skirt portion in a first direction parallel to the longitudinal axis, a second skirt portion, and a second plurality of cantilevered tabs extending from the second skirt portion in a second direction opposite the first direction.