| abstract |
The present invention relates to the use of at least one dielectric fluid of the general formula (1) for refilling a transformer: (A-X) n -B(1), wherein A and B are the same or different and independently represent any Optionally substituted aromatic ring, X represents a spacer group, and n represents 0, 1, 2 or 3. The invention also relates to a transformer comprising at least one dielectric fluid of general formula (1) and a PCB in an amount of less than 20%. |