Abstract: In a current sensor coil assembly (1) comprising at least one sensor air coil (2), which sensor air coil (2) is designed as a Rogowski coil (3), wherein the current sensor coil assembly (1) has a housing (4), which housing (4) comprises the Rogowski coil (3), it is proposed that the Rogowski coil (3) is embedded in a potting compound (5), that the potting compound (5) comprises at least one first material and one second material, that the first material is an electrical insulating material, in that the second material comprises particles having predeterminable electrical conductivity, and that the potting compound (5) has a specific electric resistance between 10 ?·cm and 6000 ?·cm, in particular between 500 ?·cm and 5000 ?·cm, preferably between 2000 ?·cm and 3000 ?·cm.

Abstract: In a current sensor coil assembly (1) comprising at least one sensor air coil (2), which sensor air coil (2) is designed as a Rogowski coil (3), wherein the current sensor coil assembly (1) has a housing (4), which housing (4) comprises the Rogowski coil (3), it is proposed that the Rogowski coil (3) is embedded in a potting compound (5), that the potting compound (5) comprises at least one first material and one second material, that the first material is an electrical insulating material, in that the second material comprises particles having predeterminable electrical conductivity, and that the potting compound (5) has a specific electric resistance between 10 ?·cm and 6000 ?·cm, in particular between 500 ?·cm and 5000 ?·cm, preferably between 2000 ?·cm and 3000 ?·cm.

Abstract: The invention relates to a signal-processing circuit (1), comprising at least one signal path (2) between an input (3) and an output (4) of the signal-processing circuit (1), wherein: the signal path (2) has a first passive integrating element (5) and an active integrator (6); the active integrator (6) is designed as a non-inverting active integrator (6); the first passive integrating element (5) and the active integrator (6) are connected in series within the signal path (2). According to the invention, the signal path (2) additionally has a second passive integrating element (7) and a differentiating element (20).

Abstract: The invention relates to a coil former (1) for an electrical coil assembly (2), wherein the coil former (1) has a winding-holding region (3) for at least one peripheral segment of a coil winding (4), which winding-holding region (3) is bounded by a winding-holding region inner surface (5) for contact with an innermost winding layer (6) of the coil winding (4) and at least one first end piece (7) protruding from the winding-holding region inner surface (5). According to the invention, an at least partially surrounded fluid-holding reservoir (9) is arranged on a side of the first end piece (7) facing away from the winding-holding region (3), the fluid-holding reservoir (9) is connected to the winding-holding region (3) by a fluid passage opening (10), and the fluid passage opening (10) is arranged adjacent to the winding-holding region inner surface (5).

Abstract: The invention relates to a coil former (1) for an electrical coil assembly (2), wherein the coil former (1) has a winding-holding region (3) for at least one peripheral segment of a coil winding (4), which winding-holding region (3) is bounded by a winding-holding region inner surface (5) for contact with an innermost winding layer (6) of the coil winding (4) and at least one first end piece (7) protruding from the winding-holding region inner surface (5). According to the invention, an at least partially surrounded fluid-holding reservoir (9) is arranged on a side of the first end piece (7) facing away from the winding-holding region (3), the fluid-holding reservoir (9) is connected to the winding-holding region (3) by a fluid passage opening (10), and the fluid passage opening (10) is arranged adjacent to the winding-holding region inner surface (5).

Abstract: A coil arrangement has at least four coil cores around which in each case a coil winding is disposed, wherein the coil cores project over the coil windings in each case with a first coil core end region and a second coil core end region, wherein the coil arrangement furthermore has a first yoke part and a second yoke part. The first and second coil core end regions of the first and second coil core are in each case disposed opposite a first yoke side face of the first or second yoke part respectively, and the first and second coil core end regions of the first and second coil core are in each case disposed opposite a second yoke side face of the first or second yoke part respectively.

Abstract: A coil arrangement has at least four coil cores around which in each case a coil winding is disposed, wherein the coil cores project over the coil windings in each case with a first coil core end region and a second coil core end region, wherein the coil arrangement furthermore has a first yoke part and a second yoke part. The first and second coil core end regions of the first and second coil core are in each case disposed opposite a first yoke side face of the first or second yoke part respectively, and the first and second coil core end regions of the first and second coil core are in each case disposed opposite a second yoke side face of the first or second yoke part respectively.

Abstract: A method for the mechanical winding of a coil having at least one wire is disclosed. The coil has a coil inner side and at least two winding layers, with one winding layer being formed by turns situated essentially parallel to the coil inner side, to increase the precision of the winding and to reduce the dimensional tolerances of the winding. At least during the winding of a first winding layer, a gap is formed at a predefinable position between a first turn and a second turn adjacent to the first turn, with the second turn being wound immediately following the first turn. The width of the gap at least regionally is at least one wire diameter, and the wire is guided into the gap after the winding of the second turn, and optionally after the winding of further turns, thereby forming at least one support turn.

Abstract: In a converter arrangement (1) for generating an electrical voltage for an electrical and/or electronic circuit from the field of a primary conductor (6) through which current flows, comprising a first winding (2) around a first magnetic circuit (3), wherein the first magnetic circuit (3) has a first bushing (31) for the primary conductor (6), it is proposed, in order to prevent voltage spikes at output terminals (11) of the converter arrangement (1), that a second winding (4) around a second magnetic circuit (5) is connected in series with the first winding (2), wherein the second magnetic circuit (5) has a second bushing (51) for the primary conductor (6), that the first magnetic circuit (3) does not have an air gap, and that the second magnetic circuit (5) comprises at least one air gap (52).

Abstract: In a method for the mechanical winding of a coil (1) having at least one wire (4), the coil (1) comprising a coil inner side (14) and at least two winding layers (2), one winding layer (2) being formed by turns (5) situated essentially parallel to the coil inner side (14), to increase the precision of the winding and to reduce the dimensional tolerances of the winding, it is proposed at least during the winding of a first winding layer (21), at a predefinable position between a first turn (54) and a second turn (55) adjacent to the first turn (54), the second turn (55) being wound immediately following the first turn (54), a gap (6) is implemented, the width of the gap (6) at least regionally being at least one wire diameter, and the wire (4) is guided into the gap (6) after the winding of the second turn (5), and optionally after the winding of further turns (5), at least one support turn (51) being implemented.