A system, comprising: a first voltage line, a second voltage line, and a third voltage line between a grid and a converter, a controller, a sensor coupled to the controller and configured to transmit a signal indicative of an amount of power passing along one of the first voltage line, the second voltage line, or the third voltage line, the controller being configured to: transmit a first activation signal (176, 194) in response to the signal transmitted from the sensor to activate a first thyristor element coupled to the first voltage line and the second voltage line, wherein the first voltage line is configured to transmit power in a first phase and the second voltage line is configured to transmit power in a second phase; transmit a second activation signal (176, 196) in response to the signal transmitted from the sensor to activate a second thyristor element coupled to the second voltage line and the third voltage line, wherein the third voltage line is configured to transmit power in a third phase; and transmit a third activation signal in response to the signal transmitted from the sensor to activate a third thyristor element coupled to the first voltage line and the third voltage line, characterized in that the system further comprises: switching elements (122, 124, 126) configured to cause an open circuit to occur on voltage the lines (114, 116, 118) between the grid and the converter, wherein the controller is further configured to send a signal to each of the switching elements (122, 124, 126) causing the switching elements (122, 124, 126) to interrupt the connection between the grid and the converter, wherein the controller is configured to send the signals to activate the first, second and third thyristor (188, 190, 192) and the signal to each of the switching elements (122, 124, 126) in a manner that the switching elements cause the open circuit while the first, second and third thyristors (188, 190, 192) are activated. a first voltage line, a second voltage line, and a third voltage line between a grid and a converter, a controller, a sensor coupled to the controller and configured to transmit a signal indicative of an amount of power passing along one of the first voltage line, the second voltage line, or the third voltage line, the controller being configured to: transmit a first activation signal (176, 194) in response to the signal transmitted from the sensor to activate a first thyristor element coupled to the first voltage line and the second voltage line, wherein the first voltage line is configured to transmit power in a first phase and the second voltage line is configured to transmit power in a second phase; transmit a second activation signal (176, 196) in response to the signal transmitted from the sensor to activate a second thyristor element coupled to the second voltage line and the third voltage line, wherein the third voltage line is configured to transmit power in a third phase; and transmit a third activation signal in response to the signal transmitted from the sensor to activate a third thyristor element coupled to the first voltage line and the third voltage line, transmit a first activation signal (176, 194) in response to the signal transmitted from the sensor to activate a first thyristor element coupled to the first voltage line and the second voltage line, wherein the first voltage line is configured to transmit power in a first phase and the second voltage line is configured to transmit power in a second phase; transmit a second activation signal (176, 196) in response to the signal transmitted from the sensor to activate a second thyristor element coupled to the second voltage line and the third voltage line, wherein the third voltage line is configured to transmit power in a third phase; and transmit a third activation signal in response to the signal transmitted from the sensor to activate a third thyristor element coupled to the first voltage line and the third voltage line, switching elements (122, 124, 126) configured to cause an open circuit to occur on voltage the lines (114, 116, 118) between the grid and the converter, wherein the controller is further configured to send a signal to each of the switching elements (122, 124, 126) causing the switching elements (122, 124, 126) to interrupt the connection between the grid and the converter, wherein the controller is configured to send the signals to activate the first, second and third thyristor (188, 190, 192) and the signal to each of the switching elements (122, 124, 126) in a manner that the switching elements cause the open circuit while the first, second and third thyristors (188, 190, 192) are activated.