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Description
Солнечные батареи
The average conversion efficiency of monocrystal silicon solar cells could be more than 16% , and the maximum could achieve to 24%. This is the highest efficiency of converting from light to electricity among all the solar cells. But the cost of it is so high that it isn't been used widely . The monocrystal silicon adopts toughened glass and impermeable resin for encapsulation , It is strong ,with using life 15 years or even more than 25 years.
| Parameters | Tchd235 | Tchd230 | Tchd225 | Tchd220 |
| Max. Power (pmax) | 235w | 230w | 225w | 220w |
| Voltage at max.power (vmp) | 29.2v | 29.1v | 29.1v | 28.9v |
| Current at max.power (imp) | 8.0a | 7.9a | 7.7a | 7.6a |
| Short circuit current (isc) | 8.4a | 8.4a | 8.3a | 8.2a |
| Open circuit voltage (voc) | 36.9v | 36.7v | 36.6v | 36.6v |
| Shortcircuit current temperature coefficient | (0.065±0.015)%/ °c | |||
| Opencircuit voltage temperature coefficient | -(0.36±0.05)mv/°c | |||
| Max. power temperature coefficient | -(0.5±0.05)%/ °c | |||
| Battery temperature under normal operation | 47±2°c (air 20°c; sun0.8kw/m2 ; wind 1m/s) | |||
| Max.system voltage | 1000v (iec 61215 rating) | |||
| Dimension | Length x Width x depth：1631mm x 1000mm x 50mm | |||
| Weight | 19.4 Kg | |||
| Size of cell | 156mm x 156mm | |||
| No.of cell | 60 ( 6 x 10 ) | |||
| Parameters | Tchd280 | Tchd275 | Tchd270 |
| Max. power (pmax) | 280w | 275w | 270w |
| Voltage at max.power (vmp) | 36.3v | 35.6v | 35.5v |
| Current at max.power（imp） | 7.71a | 7.7a | 7.61a |
| Short circuit current (isc) | 8.46a | 8.45a | 8.33a |
| open circuit voltage (voc) | 44.3v | 44.3v | 44.2v |
| Shortcircuit current temperature coefficient | (0.065±0.015)%/ k | ||
| Opencircuit voltage temperature coefficient | -(0.36±0.05)%/ k | ||
| Max. power temperature coefficient | -(0.5±0.05)%/ k | ||
| Battery temperature under normal operation | 47±2°c (air 20°c; sun0.8kw/m2 ; wind 1m/s) | ||
| Max.system voltage | 1000v (iec 61215 rating) | ||
| Dimension | Length x width x depth 1947mm x 1000mm x 50mm | ||
| Weight | 21.8 Kg | ||
| Size of cell | 156mm x 156mm | ||
| No. Of cells | 72 (6 x 12) | ||
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