| Phase: | Three |
|---|---|
| Core: | Ei |
| Cooling Method: | Dry-type Transformer |
| Winding Type: | Cylindrical Three-Winding |
| Shape of Core: | EI |
| Trademark: | ZZHL |
| Customization: |
|---|
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| Model: | SG-15KVA |
| Type: | Dry-type transformer |
| Number of phases: | three phases |
| Winding structure and number of groups: | cylindrical three-winding |
| Winding material: | non-oxidized full red copper |
| Core form: | EI type |
| Connection method: | YYN0 |
| Rated Capacity: | |
| Output voltage accuracy: | ±1% |
| Voltage variation rate: | ≤1.5% |
| Output waveform distortion: | no distortion (compared with input waveform) |
| Insulation class: | H class (insulation temperature resistance 180) |
| Work efficiency: | ≥98% |
| Applicable frequency: | 50/60Hz |
| Protection level: | IP30 |
| Overload capacity: | allow more than 1.2 times the rated load to work for 2 hours |
| Noise: | less than or equal to 50 decibels |
| Temperature rise: | less than 50ºC (at working temperature is -10~+45ºC) |
| Insulation resistance: | ≥150MΩ |
| Insulation withstand voltage test: | primary and secondary withstand voltage 3KVA for 1 minute without breakdown |
| Impedance voltage%: | ≤4% |
| Cooling method: | dry air cooling |
| Wire in and out mode: | lower wire in and out |
| Shape structure: | vertical |
| Design life: | 20-30 years |
| Working environment: | temperature: -10~+45ºC, |
| humidity: | ≤95%RH non-condensing |
| Applicable altitude: | ≤2000m |
| Workplace: | There should be no gas, steam, chemical deposits, dirt, conductive dust, and other explosive, flammable, and corrosive substances that seriously affect the insulation strength of the transformer. |
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