Oil - Cooled Medium Voltage Transformers

ApolloSoyuz has recently entered into the Medium Voltage range of Transformers and the products will be commencing very shortly.

• ApolloSoyuz ONAN (Oil Natural Air Natural) transformers are built to conform to IS:11171, IEC60076, BS 7806 and ANSIC57-12 Standards suitable for open outdoor duty conditions up to 5MVA, 33kV Class.

• The core is built of Prime Grade Cold Rolled Grain Oriented Steel (CRGO) with low specific losses, insulated on both sides by a thin Inorganic coating (Carlite), mitred, uniformly pressed and stiffened robustly to minimize noise levels.

• Windings are Electrolytic Copper and Aluminum Conductor (round or flat strip) as required. The HV and LV coils are insulated with A Class insulation.

• As a standard all transformers are provided with skid under base or truck with roller wheels; earthing terminal, lifting lugs, breather, tap changing arrangement, oil level indicator, oil filtration valve.

• As optional accessories and fittings we also offer winding temp indicator, Buchholz relay, Marshalling box, LV cable box or bus duct outlet, magnetic oil level gauge, on-load tap changers.

All our transformers are routine tested according to standard IS: 2026, IEC 60076

The following type test can be conducted on request and Test 1 &2 will be conducted by third party inspection like ERDA/CPRI:

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