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Substation Power Transformers
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Substation Power Transformers
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CERTIFIED QUALITY：[ IEC 60076 ] [ GB/T 6451 ] [ Energy Efficiency Level 1 ] [ KEMA Type Tested ]
Why Choose Jikai Transformers?
High Energy Efficiency:Featuring the SZ22 series with NX1 (Level 1) efficiency, significantly reducing no-load and load losses for long-term savings.
On-Load Tap Changing:Advanced OLTC mechanism ensures stable output voltage under varying grid loads, perfect for sensitive industrial applications.
Extreme Durability:Optimized cooling (ONAN/ONAF) and heavy-duty tank design for 40+ years of operational life in outdoor substations.
Technical Specifications (Substation Series)
| Parameter | Standard Range / Details |
| Rated Capacity | 6,300 kVA to 63,000 kVA (and above) |
| High Voltage (kV) | 35, 66, 110, 132, 230 kV Class |
| Low Voltage (kV) | 6.3, 10.5, 11, 35, 38.5 kV (Customizable) |
| Regulation Type | On-load Tap Changing (OLTC) / Off-circuit Tap Changing |
| Vector Group | YNd11 / Dyn11 / Yy0 (per client request) |
| Impedance Voltage | 7% to 14% (depending on voltage class) |
| Cooling Method | ONAN / ONAF |
| Insulation Class | Class A (Liquid-immersed) |
| Standards Compliance | IEC 60076, ANSI C57.12.00, IEEE Standards |
Manufacturing Excellence Since 1985
Jikai Power Group stands as a premier manufacturer for global substation infrastructure. Our large-scale transformers are type-tested by national laboratories and trusted by State Grid for critical power transmission projects.
• Qualified Strategic Supplier for State Grid of China
• 20,000 sqm Advanced Production Facility
• Full Suite of Type Test Reports (Short-circuit, Impulse, Temperature Rise)
• Global Service Network across 50+ Countries
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