Transformer Solutions
S22 Ultra-Low Loss Oil-Immersed Transformer 500kVA
Model: S22-500/10
S series three-phase oil-immersed distribution transformer with hermetically sealed corrugated tank. Rated 500kVA, primary 10kV, secondary 0.4kV. Features amorphous alloy core for ultra-low no-load loss, exceeding GB Class 2 efficiency. Compliant with IEC 60076 and GB 1094 standards. Outdoor installation for utility networks, rural electrification and industrial distribution.
Technical Data
| Rated Capacity | 500kVA |
|---|---|
| Primary Voltage | 10 kV (6/6.3/10/11kV optional) |
| Secondary Voltage | 0.4 kV |
| Frequency | 50/60 Hz |
| Vector Group | Dyn11 / Yyn0 |
| Cooling | ONAN |
| Tank Type | Hermetically Sealed Corrugated |
| Standards | IEC 60076, GB 1094 |
Product Features
Hermetically sealed design prevents oil contamination
Corrugated tank for efficient natural cooling
Off-circuit tap changer ±5% or ±2×2.5%
Oil level gauge, drain valve and pressure relief device
Buchholz relay and thermometer pocket
Outdoor rated, low maintenance
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