The series of products in the design is more advanced, in the material, structure and process has been greatly improved and improved. The high and low pressure clamps are tightened with steel pull belts or upper and side beams to form a strong frame structure, which enhances the clamping force of the iron core and the ability to withstand transportation impact. Strong short-circuit resistance, beautiful appearance, reliable operation, low loss, low noise, to the advanced level of similar foreign products. The SZ11-8000/35 transformer prototype produced by the company passed the burst short circuit test conducted by the National transformer testing center at one time, and the longitudinal oil channel of the high and low voltage coil is conducive to heat dissipation, which can greatly reduce the temperature difference of copper oil and the most hot spot temperature rise inside the coil.
35KV oil-immersed transformer SZ11
This series of products is relatively advanced in design, with significant improvements and enhancements in materials, structure, and technology. The high and low pressure clamps are made of steel straps or tensioned on the upper and side beams to form a sturdy frame structure, enhancing the clamping force of the iron core and its ability to withstand transportation impacts. Strong short-circuit resistance, beautiful appearance, reliable operation, low loss, low noise, reaching the advanced level of similar foreign products. The SZ11-8000/35 transformer prototype produced by our company has passed the sudden short circuit test conducted by the National Transformer Testing Center in one go. The installation of longitudinal oil channels in the high and low voltage coils is beneficial for heat dissipation, which can significantly reduce the temperature difference between copper and oil and the hottest temperature rise inside the coils.
2000KVA~2000KVA three-phase dual winding on load voltage regulating power transformer
Model | Rated Capacity (KVA) |
Connection Symbol | Voltage combination(Kv) | Air Interception Loss(W) | Load Loss(W 20℃(F) |
No-load Current | Radial Iimpedance(%) | ||
High Pressure | Decomposition Scope | Low Pressure | |||||||
SZ11-2000 | 2000 | Yd11 | 35 | ±3×2.5% | 6.3 10.5 |
2300 | 19240 | 0.80 | 6.5 |
SZ11-2500 | 2500 | 2720 | 20640 | 0.80 | |||||
SZ11-3150 | 3150 | 35~38.5 | ±3×2.5% | 6.3 10.5 |
3230 | 24710 | 0.72 | 7.0 | |
SZ11-4000 | 4000 | 3870 | 29160 | 0.72 | |||||
SZ11-5000 | 5000 | 4640 | 34200 | 0.68 | |||||
SZ11-6300 | 6300 | 5630 | 36800 | 0.68 | 7.5 | ||||
SZ11-8000 | 8000 | YNd11 | 35-38.5 | ±3×2.5% | 6.3 6.6 10.5 11 |
7870 | 40600 | 0.60 | |
SZ11-10000 | 10000 | 9280 | 48100 | 0.60 | |||||
SZ11-12500 | 12500 | 10940 | 56900 | 0.56 | 8.0 | ||||
SZ11-16000 | 16000 | 13170 | 70300 | 0.54 | |||||
SZ11-20000 | 20000 | 15570 | 82800 | 0.54 |
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