MEDIUM VOLTAGE INSTRUMENT TRANSFORMERS

Compact range up to 24kV - 1 insulated bushing

Y24P Y12P Y24M

This range can be split into 2 parts:

  • Vts insulated up to 17.5kV: Y12P and Y12G
  • Vts insulated up to 24kV: Y24P, Y24M and Y24G2.

You can find the different models for each requirement in the following chart (click on the name to see the drawing):

insulation
kV
BIL
kV

MAXIMUM primary voltage

V

Type MAXIMUM possible burden (VA) Thermal burden (VA)
1 secondary 2 secondaries
class 0.2 class 0.5 class 1.0 cl. 0.5
+
cl.0.5
cl. 1.0
+
cl.1.0
12 75 11000/V3 Y12P 10 50 100 15 + 15 40 + 40 250
Y12G 30 100 200 40 + 40 80 + 80 400
17.5 95 15000/V3 Y12P 10 50 100     250
Y12G 25 100 200 40 + 40 80 + 80 400
24 125 22000/V3 Y24P 10 50 100     250
Y24M 20 100 200 30 + 30 60 + 60 300
Y24G2 50 200 400 50 + 50 100+100 500

Secondary voltage : 110/V3 or 100/V3 V, other values on request.

The voltage factor is 1.2Un permanent and 1.9Un 30sec for all transformers. We can provide 1.9Un 8 hours on request.

Also, an open delta winding can be added to some models on request.