Electrical Facility and Arrangement for Protecting the Electrical Facility

摘要

An arrangement for protecting an electrical facility from overvoltages having an overcurrent protection facility arranged in a first series circuit and a shunt circuit arranged between the overcurrent protection facility and the electrical facility to be protected, the shunt series resulting in a second series circuit, wherein a diode for discharging transient overvoltages is arranged in the shunt circuit, which is conductive if a voltage threshold is exceeded, as a result of which the current resulting from the overvoltage can be passed through the shunt circuit to the facility to be protected into the second shunt circuit, where a first inductor is arranged in a series connection to the diode, the diode is connected here to a first diode terminal on the first series circuit and is connected to a second diode terminal on the first inductor, and where the overcurrent protection facility is not triggered prematurely by temporary overvoltages.

主权项

1. An arrangement for protecting an electrical facility from overvoltages, comprising:
an overcurrent protection facility arranged in a first series circuit; a second series circuit; a shunt circuit arranged between the overcurrent protection facility and the electrical facility to be protected, said shunt circuit leading to the second series circuit, a diode for discharging transient overvoltages arranged in the shunt circuit, said diode being conductive, if a voltage threshold is exceeded such that current resulting from the overvoltage is passed through the shunt circuit to the facility to be protected into the second series circuit; a first inductor arranged in a series connection with the diode, wherein the diode being connected to the first series circuit at a first diode terminal and being connected to the first inductor at a second diode terminal, whereby with temporary overvoltages the overcurrent protection facility is not triggered prematurely.