Fast electronic switch
Various embodiments of the teachings herein include an electronic switch comprising: a semiconductor switch; and a series circuit. The series circuit is arranged parallel to the semiconductor switch and includes a first resistor, a capacitor, and a second resistor arranged in order R-C-R. The first resistor and the second resistor are arranged to create a bifilar resistor.
1. An electronic switch comprising:
a semiconductor switch; and
a series circuit arranged parallel to the semiconductor switch, the series circuit including a first resistor, a capacitor, and a second resistor arranged in order R-C-R;
wherein the first resistor and the second resistor each have a longitudinal axis and the respective longitudinal axis of the first resistor is parallel to and side-by-side with disposed adjacent the respective longitudinal axis of the second resistor;
wherein a current flowing through the series circuit flows in a first direction along the longitudinal axis of the first resistor generating a first magnetic field and in an opposite direction along the longitudinal axis of the second resistor generating a second magnetic field;
wherein a net magnetic field created by the first magnetic field and the second magnetic field is substantially zero.
2. The electronic switch as claimed in claim 1 , wherein the first resistor comprises at least one material selected from the group consisting of: an iron alloy, V4A steel, constantan, and carbon.
3. The electronic switch as claimed in claim 1 , wherein each of the first resistor and the second resistor is produced by punching or laser beam cutting.
4. The electronic switch as claimed in claim 1 , wherein the first resistor and the second resistor combine to serve as a mechanical carrier for the capacitor.
5. The electronic switch as claimed in claim 1 , wherein the first resistor and the second resistor each have a quadrilateral shape, wherein two mutually opposing edges are bent by 90° to one side.
6. The electronic switch as claimed in claim 5 , wherein the first resistor and the second resistor are placed together so as to be isolated by way of an insulation panel or insulation film and are pressed together by means of screwed panels.
7. The electronic switch as claimed in claim 5 , wherein the first resistor and the second resistor together form a cross-section with the shape ] [.
8. The electronic switch as claimed in claim 1 , wherein the first resistor and the second resistor each have a meandering portion.
9. The electronic switch as claimed in claim 1 , in which the first resistor and the second resistor are each L-shaped, wherein the two L-shapes are placed one inside the other.
10. The electronic switch as claimed in claim 1 , wherein the first resistor and the second resistor are screwed directly onto connectors of the semiconductor switch.
11. The electronic switch as claimed in claim 1 , wherein the capacitor is screwed directly onto the first resistor and the second resistor.
12. A switching facility comprising:
a plurality of electronic switches connected in series with each other;
wherein each electronic switch comprises a semiconductor switch; and a series circuit arranged parallel to the semiconductor switch, the series circuit including a first resistor, a capacitor, and a second resistor arranged in order R-C-R;
wherein the first resistor and the second resistor each have a longitudinal axis and the respective longitudinal axis of the first resistor is parallel to and side-by-side with the respective longitudinal axis of the second resistor;
wherein a current flowing through the series circuit flows in a first direction along the longitudinal axis of the first resistor generating a first magnetic field and in an opposite direction along the longitudinal axis of the second resistor generating a second magnetic field; and
wherein a net magnetic field created by the first magnetic field and the second magnetic field is substantially zero.
13. The switching facility as claimed in claim 12 , further comprising at least one further electronic switch connected antiserially to the plurality of electronic switches.