Service conditions
1) Altitude: ≤1, **0m
2) Maximal ambient temperature: **0.C

3) Maximal daily average temperature: **0.C
4) Maximal annual average temperature: **0.C

5) Minimal ambient temperature: **5.C
6) Indoor or outdoor 
Special conditions according to users

Feature

1.Core made of high quality cold-rolled sillicon sheet

2.Coil made of high quality oxygen-free copper

3.Multilayered cylindric structure for high-voltage winding, toroidal structure for low-voltage winding, fine performance

4.New insulation structure enhances the ability agaist short circuit

5.Hermetic radiator oil tank, reduced volume and prolonged service life

6.Special securing structure, no drifting during shipping and sustained operation

7.Security: pressure relief valve, signal thermometer, gas relay

8.Corrosion resisting treatment, maintenance free

Ring Transformer

Primary voltage: 6, *0,  *1kV

Tapping range: ±5%

Secondary voltage: 3, 3.*5, 6.3kV

Connection group: Yd*1

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