The devices also differ in location requirements. While the limiting factor for surge arrester location is the maximum continuous phase-to-ground power frequency voltage available at the point of ...

The arrester has two functions: it must provide a point in the circuit at which an overvoltage pulse can pass to ground, and it must prevent any follow-up current from flowing to ground. The ...

The older category, surge arrester (SA) (Category OWHX), originally included protectors hard-wired at the service entrance, or at any location downstream from the service disconnect. The newer ...

ABB has developed a specialist surge arrester retrofit service that enables the transformer circuits in outdoor high voltage substations, typically up to 400 kV, to be upgraded to a high level of ...