รายละเอียดเพิ่มเติม
255 WATT POLYCRYSTALLINE SOLAR
แผงโซล่าเซลล์ ขนาด 255 วัตต์ ชนิด Polycrystalline (โพลีคริสตัลไลน์)
- ยี่ห้อ Suntech (ซันเทค)
- รับประกันประสิทธิภาพแผง 25 ปี (25 Years Proformance Warranty as 80% power output)
- ผลิตโดยใช้วัสดุที่มีคุณภาพสูง เพื่ออายุการใช้งานที่ยาวนาน และประสิทธิภาพที่ยอดเยี่ยม
Features
- High module conversion efficiency
Module efficiency up to 15.7% achieved through advanced cell technology and manufacturing capabilities - Self-cleaning & anti-reflective
Higher module efficiency from anti-reflective, hydrophobic layer with higher light absorption and minimal surface dust - Positive tolerance
Guaranteed positive tolerance of 5% delivers higher outputs reliably - Excellent weak light performance
Excellent performance under low light conditions - Extended wind and snow load tests
Module certified to withstand extreme wind (3800 Pascal) and snow loads (5400 Pascal) * - Suntech current sorting process
System output maximized by reducing mismatch losses up to 2% with modules sorted & packaged by amperage
Electrical Characteristics
| STC | STC STP255-20/Wd |
| Maximum Power at STC (Pmax) | 255 W |
| Optimum Operating Voltage (Vmp) | 30.8 |
| Optimum Operating Current (Imp) | 8.28 A |
| Open Circuit Voltage (Voc) | 37.6 V |
| Short Circuit Current (Isc) | 8.76 A |
| Module Efficiency | 15.70% |
| Operating Module Temperature | -40 °C to +85 °C |
| Maximum System Voltage | 1000 V DC (IEC) / 600 V DC (UL) |
| Maximum Series Fuse Rating | 20 A |
| Power Tolerance | 0/+5 % |
STC: lrradiance 1000 W/m2, module temperature 25 °C, AM=1.5;
Best in Class AAA solar simulator (IEC 60904-9) used, power measurement uncertainty is within +/- 3%
| NOCT | STC STP255-20/Wd |
| Maximum Power at NOCT (Pmax) | 187 W |
| Optimum Operating Voltage (Vmp) | 28.1 V |
| Optimum Operating Current (Imp) | 6.66 A |
| Open Circuit Voltage (Voc) | 34.7 V |
| Short Circuit Current (Isc) | 7.09 A |
NOCT: Irradiance 800 W/m2, ambient temperature 20 °C, AM=1.5, wind speed 1 m/s;
Best in Class AAA solar simulator (IEC 60904-9) used, power measurement uncertainty is within +/- 3%
Temperature Characteristics
| Nominal Operating Cell Temperature (NOCT) | 45±2°C |
| Temperature Coefficient of Pmax | -0.44 %/°C |
| Temperature Coefficient of Voc | -0.33 %/°C |
| Temperature Coefficient of Isc | 0.055 %/°C |
Mechanical Characteristics
| Solar Cell | Polycrystalline silicon 156 × 156 mm (6 inches) |
| No. of Cells | 60 (6 × 10) |
| Dimensions | 1640 × 992 × 35mm (64.6 × 39.1 × 1.4 inches) |
| Weight | 18.2 kgs (40.1 lbs.) |
| Front Glass | 3.2 mm (0.13 inches) tempered glass |
| Frame | Anodized aluminium alloy |
| Junction Box | IP67 rated (3 bypass diodes) |
| Output Cables | TUV (2Pfg1169:2007), UL 4703, UL44 |
| 4.0 mm2 (0.006 inches2), symmetrical lengths (-) 1000mm (39.4 inches) and (+) 1000 mm (39.4 inches) |
|
| Connectors | MC4 connectors |
Packing Configuration
| Container | 20’ GP | 40’ HC |
| Pieces per pallet | 28 | 28 |
| Pallets per container | 6 | 28 |
| Pieces per container | 168 | 784 |
Certifications and standards:
UL1703, IEC 61215, IEC 61730, conformity to CE
