Product introduction
The current transformer of this model is a plastic shell, totally enclosed, indoor type product. It is suitable for power system with rated frequency of 50Hz or 60Hz and rated voltage of 0.66kv and below for power energy measurement, current measurement and relay protection. The product conforms to iec60044-1; 2003 and GB1208-2006, < current transformer > standard.
Structure introduction
The current transformer of this model is bus type plastic shell insulation. The lower part of the product is provided with mounting plate for fixed installation, and the middle window hole is used for passing through the primary bus.
Service conditions
1. The altitude shall not exceed 1000m;
2. The ambient temperature is not higher than + 40 degree, not lower than - 5 degree;
3. The relative humidity of the surrounding air shall not be greater than 85% (20 ° f);
4. There is no gas, steam, chemical deposition, pollution and other explosive and corrosive media that seriously affect the insulation of transformer in the installation site;
Note:
1. The primary hole of current transformer is of single row structure;
2. For example, 5-10 corresponds to 100-600 / 5600 / 5 corresponds to 10va, and 100 / 5 corresponds to 10va
Main technical parameters
1. Rated primary current: 30-5000a
2. Rated secondary current: 5A or 1A
3. Rated voltage: 0.66kv
4. Measurement accuracy level: 0.2S, 0.5s, 0.2, 0.5
5. Power factor of load: cos ∮ = 0.8 (lagging)
6. Product standard: GB1208-2006 < current transformer >