Frequency injection transformer immersed in mineral oil
Frequency injection transformer in mineral oil, installed in the HVB/HVA source station outside: enables the injection of remote control signals.
Oil filled transformer for exterior installation.
Sealed vacuum filling tank
PCB-free liquid dielectric
ONAN cooling mode
Crystal-oriented iron-silicon sheet magnetic circuit
Coils with copper or aluminium conductor strips
Power throughput 20 or 40 MVA
MV network voltage of 15 or 20 kV
Three-phase short-circuit current at 50 Hz of 12.5 kA
Advantages
Maintenance-free
Reliability (insensitivity to short-circuit currents that may appear in line)
Uses
Rural environment
Peri-urban environment