35kV Class Oil-Immersed Power Transformer
Product Description
The 35kV class oil-immersed power transformer is suitable for power system substations and 30kV consumer substations. The iron core is constructed from high-permeability, high-quality grain-oriented cold-rolled silicon steel sheets. The coils utilize a pie-type (disc) structure, and the active part is fitted with molded insulation parts. The transformer tank adopts a bell-jar design with an expandable oil conservator, presenting a beautiful and elegant appearance.
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Product Advantages
Low loss
Complies with the energy efficiency requirements of GB 20052-2024 "Minimum allowable values of energy efficiency and energy efficiency grades for power transformers".
Low noise
The noise level under natural cooling (ONAN) will be below 60 dB;
Low partial discharge
The partial discharge will be controlled below 100 pC;
Strong Short-Circuit Resistance
The interior of the coil is supported by a high-quality insulation skeleton, and the side walls of the transformer tank are formed in one piece using laser cutting;
Attractive Appearance
Full shot blasting and grinding for rust removal, and electro-powder coating can achieve a home appliance grade finishing effect;
No Leakage
All sealing flanges feature a grooved structure, the oil drain valve utilizes a brass valve, and the radiator adopts a vacuum butterfly valve, guaranteeing reliable sealing performance.
35kV Class Oil-Immersed Power Transformer
Technical Specifications
| Rated Capacity KVA | Level 1 | Level 2 | Level 3 | Short-circuit Impedance % | |||
| No-load Loss W | Load Loss W | No-load Loss W | Load Loss W | No-load Loss W | Load Loss W | ||
| 3150 | 1.7 | 20.7 | 2.0 | 20.7 | 2.4 | 21.9 | 7 |
| 4000 | 2.0 | 24.6 | 2.3 | 24.6 | 2.9 | 25.9 | |
| 5000 | 2.4 | 28.2 | 2.8 | 28.2 | 3.5 | 29.7 | |
| 6300 | 2.9 | 31.5 | 3.4 | 31.5 | 4.2 | 33.3 | 8 |
| 8000 | 4.0 | 34.6 | 4.7 | 34.6 | 5.8 | 36.5 | |
| 10000 | 4.8 | 40.8 | 5.7 | 40.8 | 7.0 | 43.0 | |
| 12500 | 5.5 | 48.4 | 6.5 | 48.4 | 8.0 | 51.1 | |
| 16000 | 6.7 | 59.2 | 7.9 | 59.2 | 9.7 | 62.5 | |
| 20000 | 7.9 | 71.6 | 9.4 | 71.6 | 11.5 | 75.5 | |
| 25000 | 9.4 | 84.6 | 11.1 | 84.6 | 13.6 | 89.3 | 10 |
| 31500 | 11.1 | 100.8 | 13.1 | 100.8 | 16.2 | 106.4 |