| Customization: | Available |
|---|---|
| Application: | Power |
| Phase: | Three |
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With an impressive legacy spanning over 30 years in the power transmission and distribution sector, CEEG has evolved into a vanguard of intelligent transmission and distribution solutions. Proudly holding 52 patents in oil-filled transformers, our oil-immersed transformers have consistently been top performers in the market for three decades. Our state-of-the-art, in-house high-voltage test station is pivotal, especially for our 220kV and 230kV transformers, ensuring the highest standards of quality and reliability.
In 2023, our cutting-edge CNAS (China National Accreditation Service for Conformity Assessment) testing center was inaugurated. This milestone certifies our capability to provide testing services aligned with international accreditation standards (ISO/IEC17025). The testing data and comprehensive reports issued within our accredited scope proudly bear the China National Laboratory Accreditation Service (CNAS) and the International Laboratory Accreditation Cooperation (ILAC) logos. These are esteemed symbols of trust, recognized in over 100 countries and regions including the United States, the United Kingdom, Germany, France, the Netherlands, and Japan, thanks to mutual recognition agreements.
Product Features of 110kv Oil Transformer
1. Low Loss: Our transformers excel with no-load loss reductions of 20% compared to the national standards, alongside a 5% reduction in load loss, offering superior efficiency.
2. Low Noise: The natural cooling noise levels are remarkably below 60dB, surpassing national standards by 3 to 5dB, ensuring a quieter operational environment.
3. Low Partial Discharge: Our dust-free operations maintain low partial discharge levels, consistently below 100pC, guaranteeing optimal performance and longevity.
4. Short Circuit Resistance: Demonstrating resilience and reliability, our transformers have successfully passed the sudden short circuit tests at the National Transformer Testing Center.
5. Leakage-Free: Crafted with precision, all sealing components are made from high-quality acrylic in one piece and undergo stringent fluorescence, positive pressure, and negative pressure leak tests to ensure absolute integrity.
110kv
SFSZ11 - XXX /XX
| S/N | Symbol | Meaning |
| 1 | S | Three phases |
| 2 | F | Air-cooling |
| 3 | S | Three windings |
| 4 | Z | On load tap changing |
| 5 | 11 | Symbol of Performance level (11,13) |
| 6 | xxx | Rated capacity,kVA |
| 7 | xx | Voltage grade of HV winding,kV |
S(F)11/13-110kV 6300-90000kVA Dual Winding Power Transformer
|
Capacity kVa |
Voltage Ratio & Tapping Range | Vector Group | No Load Loss | Load Loss | No Load Current | Impedance | |||
| HV | Tapping Range | LV | 11 | 13 | |||||
| 6300 |
110 115 121 |
±2X2.5% |
6.3 6.6 10.5 |
YNd11 | 7.4 | 5.92 | 35 | 0.62 | 10.5 |
| 8000 | 8.9 | 7.12 | 42 | 0.62 | |||||
| 10000 | 10.5 | 8.4 | 50 | 0.58 | |||||
| 12500 | 12.4 | 9.92 | 59 | 0.58 | |||||
| 16000 | 15.0 | 12.0 | 73 | 0.54 | |||||
| 20000 | 17.6 | 14.08 | 88 | 0.54 | |||||
| 25000 | 20.8 | 16.64 | 104 | 0.5 | |||||
| 31500 | 24.6 | 19.68 | 123 | 0.48 | |||||
| 40000 | 29.4 | 23.52 | 148 | 0.45 | |||||
| 50000 | 35.2 | 28.16 | 175 | 0.42 | |||||
| 63000 | 41.6 | 33.28 | 208 | 0.38 | |||||
| 90000 | 54.4 | 43.52 | 272 | 0.8 | 12-14 | ||||
SS(F)11/13-110kV 6300-63000kVA Three Winding Power Transformer
|
Capacity kVa |
Voltage Ratio & Tapping Range |
Vector Group |
No Load Loss |
Load Loss |
No Load Current | Impedance | ||||
| HV | MV | LV | 11 | 13 | Stepup | Setdown | ||||
| 6300 |
110±2X2.5% 115±2X2.5% 121±2X2.5% |
36 37 38.5 |
6.3 6.6 10.5 21 |
YNyn0 d11 |
8.9 | 7.12 | 44 | 0.66 |
HV-MV 17.5-18.5 HV-LV 10.5 MV-LV 6.5 |
HV-MV 10.5-18.5 HV-LV 18-19 MV-LV 6.5 |
| 8000 | 10.6 | 8.48 | 53 | 0.62 | ||||||
| 10000 | 12.6 | 10.08 | 62 | 0.59 | ||||||
| 12500 | 14.7 | 11.76 | 74 | 0.56 | ||||||
| 16000 | 17.9 | 14.32 | 90 | 0.53 | ||||||
| 20000 | 21.1 | 16.88 | 106 | 0.52 | ||||||
| 25000 | 24.6 | 19.68 | 126 | 0.48 | ||||||
| 31500 | 29.4 | 23.52 | 149 | 0.48 | ||||||
| 40000 | 34.8 | 27.84 | 179 | 0.44 | ||||||
| 50000 | 41.6 | 33.28 | 213 | 0.41 | ||||||
| 63000 | 49.2 | 39.26 | 256 | 0.40 | ||||||
Product Features of 220kv Oil Transformer
1. No Partial Discharge: Exceptionally low, with actual measured partial discharge below 50pC, even quieter than the background noise, ensuring superior performance.
2. High Efficiency and Low Loss: Our transformative core and coil design, paired with advanced leakage magnetic flux control technology, markedly reduce additional and stray losses, propelling efficiency to new heights.
3. Low Noise: Impressively, actual noise levels are below 60dB, which is significantly better than the stringent national standard noise levels, ensuring a serene operational ambiance.
4. Intelligent Design: Strategically engineered to meet the sophisticated operational requirements of modern intelligent substations, offering seamless integration.
5. Maintenance-Free Design: The thoughtful design includes air self-cooling methods, fiberglass dry-type bushings, and metal corrugated internal oil-type conservators, freeing it from routine on-site maintenance, making it ideal for unattended stations.
6. Compact Structure Design: Employing an industry-leading 220kV end inlet method, our transformer boasts a compact structure, facilitating easier transportation and streamlined on-site installation.
7. Strong Short Circuit Resistance: Incorporating international short-circuit mechanical force verification procedures, we ensure that each assembly stage of the transformer body adheres strictly to design requirements, ensuring unmatched reliability.
8. Over 40-Year Design Life: Our unique high-temperature-resistant hybrid insulation system is based on meticulous temperature field simulation analysis, guaranteeing that all components match the transformer's impressive design life.
9. Passes All Routine and Type Tests at Once: Our transformers achieve a remarkable overall performance, reaching advanced domestic levels with ease and reliability.
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