Electrical switching arrangement
An electrical switching arrangement comprising a first conductor path and a second conductor path, whereby the second conductor path is connected in parallel to the first conductor path, a first switch which is arranged in the first conductor path, a second switch which is arranged in the second conductor path, it is suggested, that at least a first semiconductor device is arranged in the second conductor path, and that the first semiconductor device is located in series to the second switch.
1 . A hybrid circuit breaker comprising a hybrid switching device and an electrical switching arrangement arranged in series, the hybrid switching device comprising a mechanical switch and a transistor arrangement arranged in parallel to the mechanical switch, and the electrical switching arrangement comprising:
a first conductor path and a second conductor path, wherein the second conductor path is connected in parallel to the first conductor path;
a first switch which is arranged in the first conductor path;
a second switch which is arranged in the second conductor path; and
at least a first semiconductor device which is arranged in the second conductor path, and
wherein the first semiconductor device is arranged in series to the second switch.
2 . The hybrid circuit breaker according to claim 1 , wherein at least a second semiconductor device is arranged in the second conductor path, and wherein the second semiconductor device is in series with the second switch and the first semiconductor device.
3 . The hybrid circuit breaker according to claim 2 , wherein, the first semiconductor device is a first diode.
4 . The hybrid circuit breaker according to claim 3 , wherein the second semiconductor device is a second diode, and the second diode is located in the same forward direction as the first diode.
5 . The hybrid circuit breaker according to claim 4 , wherein at least a fourth diode and a fifth diode are located in anti-parallel to the series arrangement of the first diode and the second diode, and wherein the fifth diode is in series with the fourth diode.
6 . The hybrid circuit breaker according to claim 2 , wherein the first semiconductor device is a first transistor arrangement.
7 . The hybrid circuit breaker according to claim 6 , wherein the second semiconductor device is a second transistor arrangement, and the second transistor arrangement is located in another forward direction as the first transistor arrangement.
8 . The hybrid circuit breaker according to claim 1 , wherein at least a first fuse is arranged in the second conductor path, and the first fuse is located in series to the second switch.
9 . The hybrid circuit breaker comprising at least a first line conductor path, wherein a first mechanical separator is arranged in the first line conductor path, wherein the first mechanical separator is the electrical switching arrangement according to claim 1 .
10 . A method for operating a hybrid circuit breaker, the hybrid circuit breaker comprising a hybrid switching device and an electrical switching arrangement arranged in series, the hybrid switching device comprising a mechanical switch and a transistor arrangement arranged in parallel to the mechanical switch, and the electrical switching arrangement comprising: a first conductor path and a second conductor path, wherein the second conductor path is connected in parallel to the first conductor path; a first switch which is arranged in the first conductor path; a second switch which is arranged in the second conductor path; and at least a first semiconductor device arranged in the second conductor path, wherein the first semiconductor device is arranged in series to the second switch, the method comprising:
in normal operation, having the first switch and the second switch in switched-on-positions.
11 . The method according to claim 10 , the method further comprising, in a switching off proceeding, the first switch is switched-off, and a predefined time after switching-off the first switch, the second switch is switched-off.