Capacitor with laminated round-shaped bus bar
A bus bar for a capacitor is described, wherein the bus bar is laminated and wherein the bus bar includes a round shape. Furthermore, a capacitor including the bus bar is described.
1 . A capacitor comprising:
a plurality of winding elements; and
one single overlapped bus bar,
wherein the bus bar is laminated and comprises a round shape,
wherein the bus bar is a laterally overlapped bus bar,
wherein the capacitor comprises a round shape,
wherein the bus bar is adapted and arranged to connect the winding elements in parallel, and
wherein all winding elements are connected to the single overlapped bus bar.
2 . The capacitor according to claim 1 ,
wherein the bus bar is arranged inside a case of the capacitor.
3 . The capacitor according to claim 1 ,
wherein the bus bar comprises a first layer and a second layer extending at least partly along an outer side of one of a plurality of winding elements, and
wherein the bus bar comprises an overlap area in which the layers overlap one another.
4 . The capacitor according to claim 3 ,
wherein an insulation layer is arranged between the first and second layer at least in the overlap area.
5 . The capacitor according to claim 3 ,
wherein the first layer comprises a plurality of first connection areas and the second layer comprises a plurality of second connection areas, and
wherein the overlap area of the first layer and the respective first connection area merge into one another, and wherein the overlap area of the second layer and the respective second connection area merge into one another.
6 . The capacitor according to claim 4 ,
wherein the insulation layer comprises a polymer.
7 . The capacitor according to claim 3 ,
wherein the first layer is connected to a first pole of one of the plurality of winding elements, and
wherein the second layer is connected to a second pole of the respective winding element.
8 . The capacitor according to claim 1 ,
wherein the bus bar has a shape adapted to a diameter of a respective winding element of the plurality of winding elements.
9 . The capacitor according to claim 1 ,
wherein the bus bar comprises a plurality of connection areas adapted and arranged to be electrically and mechanically connected to poles of the winding elements.
10 . The capacitor according to claim 9 ,
wherein a respective connection area of the plurality of connection areas is soldered to the pole of the respective winding element of the plurality of winding elements.
11 . The capacitor according to claim 9 ,
wherein a number of first connection areas corresponds to a number of winding elements and wherein a number of second connection areas corresponds to the number of winding elements.
12 . The capacitor according to claim 9 ,
wherein the connection areas are connected to the poles by means of a connection element.
13 . The capacitor according to claim 12 ,
wherein the connection element comprises a metal strip.
14 . The capacitor according to claim 1 ,
wherein the bus bar extends along a longitudinal axis of the capacitor.
15 . The capacitor according to claim 1 ,
wherein each winding element is connected by additional connections to the single overlapped bus bar independent of an amount of the winding elements.
16 . The capacitor according to claim 1 ,
wherein an extension of the bus bar along a main longitudinal axis of the capacitor is adapted to a number of winding elements.
17 . The capacitor according to claim 1 ,
wherein the bus bar is adapted and arranged for high frequency applications.
18 . The capacitor according to claim 1 ,
wherein the bus bar extends along an outer side of the winding elements from a first end side towards a second end side of the capacitor.
19 . A method of using the capacitor according to claim 1 , comprising using the capacitor in high frequency applications.