Brand | ROCKWILL |
Model NO. | Photovoltaic grid-connected isolation transformer |
Rated frequency | 50/60Hz |
Rated capacity | 220kVA |
Series | SGG |
Product Overview:
Technical data:
Conditions of Use. Working environment temperature: 15~+50℃
Operating ambient temperature:20—90%RH
Atmospheric pressure in the working environment:860 hpa---1060 hp2
Storage/transport temperature:20℃-- +55℃
Main technical features:
Rated capacity:5KVA—1000KVA
Input Voltage: Rated voltage 270V or 315V
Input current by actual voltage
Output voltage: Rated voltage: 380V or 400V
The output current is based on the actual voltage
Connection mode :dyn11
Efficiency :≤98.5%
Frequency: 50HZ/60HZ
Insulation resistance :25A less than 500MΩ
Induction withstand voltage :125HZ/800y/60
Insulation Chip Class :H (Temperature Resistance 180 °C)
Noise :≤30dB)
Temperature rise: ≤ allows for a temperature rise of 115k
Impedance Voltage Drop :≤4%
Structure: Forced air cooling, waiting for the temperature controller, according to customer requirements, reach a certain temperature, the fan will be automatically opened.
Degree of protection :IP00
Anti-interference mode: copper foil isolation shielding grounding:
Waveform Distortion No additional waveform distortion.
Electrical strength: Power frequency sinusoidal voltage 3000V, which lasts for one minute, without breakdown and flashover
Insulation resistance (input and output to ground) Test voltage at least 1000V DC insulation resistance greater than 1000MΩ
Overload capacity Twice the rated current for one minute.