Transformers

The main concern with transformers is to prevent the transmission of vibrations (hum frequency = power frequency) into the building and/or neighboring buildings.

Isolation springs and rubber-and-metal elements (Elasto rails) are used for the suspension.

Transformator Federisolatoren

Transformer
Isolation springs
Suspended weight: 178 tons
Natural frequency when mounted vertically: 4.6 Hz

Transformator Elasto-Schienen

Transformer
Elasto rails
Suspended weight: 116 tons
Natural frequency when mounted vertically: 9.5 Hz