| Item | Specification |
| Product Model | S13-M-100/10 (S=Three-Phase, 13=Efficiency Class, M=Hermetically Sealed, 100=Rated Capacity kVA, 10=HV Rated Voltage kV) |
| Rated Capacity | 50kVA~2500kVA (ONAN: 100%; ODAF: 130%) |
| Phase | Three-Phase (Standard) / Single-Phase (Customizable) |
| Rated Frequency | 50Hz / 60Hz (±1% tolerance) |
| Connection Group | Dyn11 (Default) / Yyn0 (Optional) |
| Ambient Temperature | -25°C~40°C (-40°C optional) |
| Altitude | ≤1000m (Derating applies above 1000m) |
| Humidity | ≤90% @25°C; ≤50% @40°C |
| Protection Class | IP20 (Indoor) / IP23 (Outdoor) |
| Parameter | Value | Conditions |
| No-Load Loss (Po) | ≤170W | Rated voltage/frequency |
| Load Loss (Pk) | ≤1050W | 75°C reference temp |
| Short-Circuit Impedance | 4%~6% | ±10% tolerance |
| Compliance: GB 20052-2024 Class 2 (S13) / Class 1 (S15) — IEC 60076-11 IE2/IE3 equivalent. |
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Superior Energy Efficiency
Laminated structure with high-grade grain-oriented silicon steel minimizes losses, achieving up to 98% efficiency.
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Strong Thermal Stability
Advanced heat-dissipating design enables reliable operation in temperatures from -20°C to 60°C.
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High Customizability
Flexible voltage (110V-33kV), capacity (5kVA-5MVA), and enclosure (IP23-IP65) options available.
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Durable & Low-Noise
Compliant with IEC/ANSI standards, offering a 25+ year lifespan and operation at less than 55dB.
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Industrial Sector
Powers heavy machinery, assembly lines, and factory distribution networks with stable load handling.
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Renewable Energy
Integrates with solar PV farms and wind plants for efficient power transmission to the public grid.
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Commercial Buildings
Supplies power to malls and office towers, supporting HVAC and lighting with low noise.
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Power Distribution
Used in regional substations to step up/down voltages for safe long-distance transmission.
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Frequently Asked Questions
Difference between S13 and S15 transformers?
S13 meets Class 2 efficiency, while S15 meets Class 1, achieving 15–20% lower losses for maximum energy savings.
Can it be customized for extreme environments?
Yes. We support high-altitude derating and anti-freeze configurations for operation down to -40°C.
What cooling methods are supported?
Standard is ONAN (100% capacity). ODAF is available for higher-demand applications up to 130% capacity.
What international standards are followed?
Compliance includes GB 20052-2024, IEC 60076-1, and IEC 60076-11 (IE2/IE3 equivalent).
Is it suitable for solar and wind energy?
Absolutely. It is specifically designed to convert variable renewable energy into stable, grid-compatible electricity.
What is the expected service life?
Designed to IEC/ANSI standards, these units have a lifespan of 25+ years with noise levels under 55dB.