Description
The three-phase dry type isolation transformer is suitable for circuits with AC 50/60Hz, voltage 1000V and below. It is a three-phase power transformer in low-voltage switchgear and electrical transmission control equipment. Three phase dry type isolation transformers can be made into open and protective types, with advantages such as low loss, low noise, good fire resistance, and no environmental pollution.
Technical parameters of three-phase isolation transformer:
Transformer technical parameters: The SG series three-phase dry type isolation transformer is a type of transformer that our factory refers to similar international products and complies with international and national standards such as IEC60076-11 and GB6450. The winding adopts the method of unbound whole column winding. The transformer is vacuum impregnated with paint to achieve an insulation level of H and product performance at the international advanced level.
Product features:
Establishing a new neutral grounding in the isolation transformer can alleviate common mode interference and other troubles in the power grid. The isolation transformer converts the three wire △ connection into a four wire Yo system, and adding shielding further eliminates the high-frequency pulse interference and noise coupled inside the transformer. Although a shielded isolation transformer can effectively prevent various N-G interference (pulse and high-frequency noise), the transformer must be correctly and properly grounded, which is very strict, otherwise the anti common mode interference will be ineffective
Features and advantages:
1. Highly isolated
2 N-G performs well
3-height common mode interference suppression
4. Convert △ to Y
5 voltage taps are easy to convert
6. Design according to the special performance requirements of users
Technical indicators:
1. Model: SG-100KVA Capacity: 100KVA
2. Input rated voltage: three-phase 380V Input rated current: 150A
Output rated voltage 220V, output current: 262A
3. No load current:<1.5A
4. Impedance< 5%
5. Load loss:<180W
6. Working frequency: 50Hz to 60Hz
7. Efficiency: ≥ 95%
8. Temperature rise:<60K
9. Waveform distortion:<0.1%
10. High voltage test: 2500V, no breakdown for 1 minute
11. Insulation resistance: winding resistance to ground insulation resistance ≥ 500M ohms
12. Primary to secondary insulation resistance ≥ 500M ohms
13. Overload capacity: 2 times the rated current for 1 minute without any abnormalities
14. Material: Copper core
15. Insulation level: H-level
16. Connection method: Dyn11,
17. Noise<65Db
18. Protection level IP54/IP20
19. Cooling method: Air cooling
20. Transformer weight 480KG
Capacity And Dimensions
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