(SSDA)
The lightning surge suppressor is a surge arrester class 2 or 3 (according to IEC) that eliminates overvoltages in the transmission lines without adding another possible failure point in the system because an air gap separates it from the line, so it is not permanently connected. The flexibility and versatility of the surge suppressor allow its installation in any type of structure and/or system arrangement, adapting to our customer needs.
For an alternative technical-economical solution, MAPPEC has developed the surge suppressor, which operates only when an overvoltage in the system appears. In addition, this improves the performance under contamination conditions, since it is not permanently connected to the line voltage.
The lightning surge suppressor is designed to protect the 400 and 230 kV transmission systems. It is constructed with non-linear 10 kA class 2 and 3 resistive elements (zinc oxide varistors), bordered with polymeric sheds.
With the purpose of increasing the reliability on the transmission systems, the surge suppressor was developed with polymeric housing, aluminium, ironworks, galvanized steel for its fixation to the structure, and adjustment of the air gap by which the surges are drained. The flexibility and versatility of the surge suppressor allow its installation in any type of structure and/or arrangement of the system, adapting to the needs of our clients.
Jointly (air gap-surge arrester) they interrupt the 60 Hz current once the surge finishes, thus avoiding the operation of the protections in the substation when releasing the arc in less than 3 ms. This allows that the line continues in operation.
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