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Product Desciption

Product Profile:

The auto transformer is divided into step-up self-coupling transformer, set-down self-coupling transformer, and start-up self-coupling transformer.Compared with common isolated transformers, self-coupling transformer has the advantages of simple structure, small material consumption, small volume and so on, especially under the condition that the ratio is close to 1, it reflects the economy of the product, so it is used more frequently in the high voltage output transformer with voltage approaching, in addition, since the start of the self-coupling transformer in 10KVA asynchronous motor is widely used above step-down starter.Of course, it can not be used in some special occasions, such as electric isolation.

Product features:

The insulation system is based on the F.H level and can be designed according to the user's requirements.Excellent electrical and mechanical properties are maintained throughout the service life of the transformer.F.H class insulation material is hard to age, resistance to shrinkage and anti compression, with strong elasticity, thus ensuring that the transformer coil after years of use remains compact, no change and the advantages of the transformer short-circuit capacity does not decrease the overall impregnation vacuum dipping paint by H bearing performance parameters, and high temperature curing.

Performance parameter:

1. 电压等级:1000V以下

2.Rated capacity:1~1000KVA 

3.Use altitude:≤2000M 

4.Insulation grade:F. H class

5.Connection group:.yn0. Y . 

6.Power frequency withstand voltage:AC 3000V/50Hz/5mA/60S 

7.Temperature rise:Iron core≤85K Wire pack temperature≤95K

8.Operational environment:Long term work under the condition of air temperature -10~45 °, humidity <90%

9.Product execution standards:GB10229-88, JB9644-1999 electrical transformers.

Model implication:

Self-coupling transformer



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