Three phase oil immersed distribution transformer

I. Product features

 The three-phase oil-immersed distribution transformer produced by our company adopts a new insulation structure to improve the ability of short circuit resistance. The iron core is made of high quality cold rolled silicon steel sheet. High voltage windings are made of high quality oxygen-free copper wire and multi-layer cylindrical structure. All sturdy parts adopt special anti-loose treatment.

The product has the characteristics of high efficiency, low loss, can save a lot of power consumption and operating costs, social benefits are remarkable, is the national promotion of high-tech products.

2.reliable structure

On the basis of traditional structure and mature technology, our company has made many improvements, such as adopting:

2.1. Spiral coil with longitudinal oil passage, better internal heat dissipation;

2.2. Improved effective coil end face support, stronger short-circuit current resistance;

2.3. Adopt new lifting structure and positioning structure of the body to ensure more reliable in long-distance transportation and operation;

2.4. We also have many unique and reliable structures at your service;

2.5 choose higher performance level of transformer, will have a higher level of technical content.

3., high quality materials

 Selection of low resistivity anaerobic copper wire, and through a series of additional surface treatment, more smooth, no burr sharp Angle, so that the transformer load loss is lower, more reliable electrical performance.

 Selection of high quality silicon steel sheet, with the improvement of performance level, the use of lower unit loss of silicon steel sheet, so that the transformer no load loss is lower.

 Selection of high quality laminated wood insulation, never cracking, even under the action of short circuit current, not moving.

 Selection of deep filtered transformer oil, lower water, gas, impurities, transformer work more reliable.

 Choose high quality rubber sealing material, effectively prevent aging, prevent leakage.

 All raw materials through quality inspection, effectively prevent aging, prevent leakage.

 All raw materials through quality inspection, all raw material manufacturers are in accordance with the national standard ISO9000 strict review.

4, good technical and economic performance

S11 series products on the basis of S9 series, the no-load loss is reduced by 30% on average; No-load current drops 70-85% compared with S9; The average temperature rise is reduced by 10K, the service life of the product is more than doubled, and the product can still run for a long time even under the condition of 20% excess load; Product operating noise is reduced by 2-4 db on average.

5., fully sealed

Choose S11 (M) in R M tank adopts fully sealed structure, fully enclosed distribution transformer compared with ordinary oil-immersed transformer, cancelled the oil storage tank, fuel tank’s wave wings instead of tubing as cooling refrigeration elements, corrugated tank made from high quality cold rolled sheet on the special production line, wave wing can rise and rise of the transformer oil volume shrinkage, so that the transformer and the atmosphere, Prevent and slow down oil deterioration and insulation moisture, enhance operation reliability, normal operation without maintenance.

 After degreasing, rusting and phosphating, the surface of corrugated oil tank is coated with three-proof paint, which is suitable for use in metallurgical, petrochemical and mining environments.

Vi. Transformer product standards

GB 1094.1-1996 GB 1094.2-1996 JB/T10088-2004

GB 101094.3-2003 GB/T 10237-1988

GB/T 6451-2008 GB/T 7595-1987 JB/T 3837-2010

Special conditions for the use of transformers

The altitude does not exceed 1000m; The altitude exceeds 1000m;

Ambient temperature:

Maximum temperature +40℃ Maximum temperature +40℃

Average temperature of hottest month +30℃ Minimum temperature -25℃

Maximum annual mean temperature +20℃

Minimum outdoor temperature -25℃.