Prevention of faults in the electricity grid with the help of PQ Secure

PQ Secure is often used as a tool to investigate serious incidents in the electricity grid. Alarm functions in the system also make it possible to detect and rectify faults at an early stage. Here is a recent example from one of our customers.

PQ Secure alerts about recurring faults in the network where the automatic function for earth fault detection provides indications of incipient earth faults without protection tripping or loss of load.

Thanks to multiple measuring points you can follow the process and study recordings to locate the fault in the network.

In this case, the fault was due to a broken insulator which was then replaced before more serious faults occurred.

Förebyggande av fel i elnätet med hjälp av PQ Secure

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