Three-phase dry-type transformer

The three-phase dry-type transformer features :

This series of three-phase dry-type transformer is designed for voltage conversion needs, using imported cold-rolled silicon steel sheet laminated, high insulation performance of high temperature resistant composite materials manufacturing, through the coil wind slot, effectively reduce the coil temperature; using special resin dipping paint, with high magnetic conductivity and low loss, low noise, low temperature, anti-radiation and non-toxic, maintenance-free, high environmental protection characteristics. main product series input voltage. 380V, 220V, etc.; output voltage: 440V, 400V, 220V, 200V, 127V, 110V, 100V, 36V, 24V, etc. (If you need special voltage of each type, we can customize according to customer requirements).

Three-phase dry-type transformer technical indicators :

1, Input rated voltage: three-phase AC voltage <1000V.

2, Working frequency: 50Hz/60Hz.

3, Efficiency: ≥95%.

4, Temperature rise: F level <90K, H level <115 K.

5, Waveform of power supply voltage: the waveform of symmetrical three-phase power supply voltage approximates a sine wave, waveform distortion: <0.1%.

6, Industrial frequency withstand voltage test: winding resistance to ground and primary to secondary applied 5kV, duration 60S, no breakdown.

7, insulation resistance: winding resistance to ground insulation resistance ≥ 500M ohms, primary to secondary insulation resistance ≥ 500M ohms.

The three-phase dry-type transformer using conditions.

1, Applicable altitude: ≤2000m.

2, Ambient temperature: -25℃～+45℃.

3, Relative humidity: ≤90%.

4, The installation site should be free of gas, steam, chemical deposits, dirt, conductive dust and other explosive, flammable and corrosive substances that seriously affect the insulation strength of the transformer.

The application of three-phase dry-type transformer

This series of three-phase dry-type transformer are used in all kinds of advanced machine tool equipment, as well as the need for special voltage of all kinds of industrial and commercial power facilities, such as rated frequency of 50Hz or 60Hz, 1KV or less of low-voltage transmission and distribution places.

The advantages of three-phase dry-type transformer

1, energy saving and low noise The use of high-quality cold-rolled silicon steel sheet stacked; the use of special dipping paint process treatment, effectively reduce the vibration and noise during operation; and the use of high temperature-resistant insulation material design and other new technology, the introduction of new technology, so that the three-phase dry-type transformer more energy efficient, more quiet.

2, High reliability Reasonable structure, high efficiency, no distortion of waveform, easy to use and reliable, can run for a long time, performance indicators fully comply with GB/6450 three-phase dry-type transformer standard requirements.