S11 30-2500kVA Oil Immersed Transformer
Rated capacity:50kVA、100kVA、200kVA、250kVA、400kVA、500kVA、630kVA、800kVA、1000kVA、1250kVA、1600kVA、2000kVA、2500kVA
Voltage ratio:10/0.4kV、35/0.4kV
Connection group:Dyn11/Yyn0
No load loss:100W~2290W
Load loss:630W~21200W
Short circuit impedance: 4%~5%
Frequency:50Hz
standard:ISO 9001:2015; SGS
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Product Description of S11 30-2500kVA Oil Immersed Transformer

The 30-2500kVA Oil Immersed Transformer is a high-efficiency Oil Immersed Power Transformer designed for industrial and commercial applications, offering stable power conversion with minimal energy loss. This oil filled transformer features advanced core-and-coil technology, ensuring reliable performance under varying load conditions. It is engineered for durability with low noise and compact dimensions, making it ideal for substations, factories, and high-demand infrastructure projects. Compliant with international standards, this transformer guarantees long-term operation with reduced maintenance needs. Its optimized cooling system enhances heat dissipation, ensuring efficient thermal management. The 30-2500kVA Oil Immersed Transformer balances performance, safety, and environmental friendliness, making it a top choice for sustainable energy solutions.
Products parameter
| Rated capacity | No-load loss | Load loss | impedance |
|---|---|---|---|
| 30kva | 100 | 630 | 4% |
| 50kva | 130 | 910 | |
| 63kva | 150 | 1090 | |
| 80kva | 180 | 1390 | |
| 100kva | 200 | 1580 | |
| 125kva | 240 | 1890 | |
| 160kva | 280 | 2310 | |
| 200kva | 340 | 2730 | |
| 250kva | 400 | 3200 | |
| 315kva | 480 | 3830 | |
| 400kva | 570 | 4520 | |
| 500kva | 680 | 5410 | |
| 630kva | 810 | 6200 | 4.5% |
| 800kva | 980 | 7500 | |
| 1000kva | 1150 | 10300 | |
| 1250kva | 1360 | 12000 | |
| 1600kva | 1640 | 14500 | |
| 2000kva | 1940 | 18300 | 5.0% |
| 2500kva | 2290 | 21200 |
S11 10kv Oil Immersed Transformer Feature

High Efficiency & Energy Saving:
As an oil filled transformer, it adopts S11-grade core material to minimize no-load losses, achieving energy efficiency up to 98.5% for reduced operational costs.
Robust Design:
The Oil Immersed Power Transformer structure uses high-grade insulating oil and corrugated tanks to withstand harsh environments, ensuring thermal stability and corrosion resistance.
Widely Adapted Capacity:
The 30-2500kVA Oil Immersed Transformer supports a broad power range (30kVA to 2500kVA), catering to diverse applications like industrial machinery, data centers, and renewable energy systems.
Low Noise & Compact Size:
Optimized cooling and laminated core design minimize audible noise, while its compact footprint reduces spatial requirements for installation.
Safety Compliance:
Equipped with pressure relief valves and oil-level indicators, it ensures safe operation even under overload conditions.
S11 Oil-Immersed Transformer meets product quality standards
ISO 9001:2015 Certification:
The 30-2500kVA Oil Immersed Transformer undergoes rigorous quality control processes, ensuring consistent performance in alignment with ISO standards. This guarantees the reliability of the Oil Immersed Power Transformer across its lifecycle, from material selection to final assembly.
SGS Approval:
The oil filled transformer has passed SGS tests for insulation resistance, dielectric strength, and thermal endurance, confirming compliance with global safety protocols. This assures customers that the transformer meets stringent requirements for voltage regulation, noise levels, and environmental adaptability.

Product Testing
The S11 transformer undergoes comprehensive tests, including:
Insulation Resistance Testing: Ensures electrical isolation between windings and core.
Impulse Withstand Testing: Validates ability to handle voltage surges and lightning-induced stresses.
Load Loss Measurement: Evaluates efficiency under 25%, 50%, 75%, and 100% loads for the 30-2500kVA Oil Immersed Transformer.
Temperature Rise Testing: Monitors heat distribution in oil and coils to ensure safe thermal performance.
Partial Discharge Analysis: Detects potential failure points in the Oil Immersed Power Transformer's insulation.
Noise Level Measurement: Assesses operational quietness at various capacities.
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Why choose us?
GNEE strictly follows the comprehensive acceptance testing process to ensure that the performance of each device meets the standards. Our products and services have been successfully applied in more than 50 countries and regions around the world. As a trusted global industrial partner, we are always committed to helping customers achieve their sustainable development vision through high-quality products and full-process services.
Support
• Pre-sales: Free technical consulting, drawing review, and installation training.
• After-sales:
o Global warranty for 2 years; 5-year warranty on core components.
o 7×24-hour remote support, fault response within <24 hours.
o Operation manual provided.

Product Testing Center

SGS certification certificate

Packing and Delivery

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