Product Range Switchgear Products Division

EHV Voltage Transformers

Salient Features :

  • Oil impregnated paper insulation
  • Accuracy class, output & number of secondary windings as desired
  • Single primary winding upto 145 kV and 2 stage primary windings in cascade for 245 kV
  • Hermetically sealed with N2 cushion

Technical Parameters :

Description

145 kV

245 kV

1 min power frequency withstand voltage
Lighting impulse withstand voltage
Rated frequency
Rated voltage factor


Total creepage distance
Total simulation burden
No.of secondary windings & burden

275 kV rms
650 kV peak
50 Hz
1.2 continuous
1.5 for 30 sec
3625 mm
As desired
As desired

460 kV rms
1050 kV peak
50 Hz
1.2 continuous
1.5 for 30 sec
6125 mm
As desired
As desired

 
Employee Login Home Contact Us