Flat Ribbon and Round Wire for PV Interconnects
Flat ribbon and round wire serve different cell and module designs. Compare the specified conductor geometry, solder coating, resistance and mechanical properties, then check spool format and feeding requirements against the stringing process.
Engineering comparison
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| Decision | Flat solar ribbon | Round solar wire | Acceptance basis | Your input or result |
|---|---|---|---|---|
| Section | Flat section with specified width, thickness and corners | Round section with specified bare/finished diameter | Use the section required by the cell layout and stringer. | |
| Cell contact | Face and solderable zones follow the pad/joint design | Curved surface and solder coating follow the joint design | Compare joints under the same soldering and peel-test conditions. | |
| Handling | Flatness, camber, orientation and spool winding | Roundness, diameter consistency and spool feeding | Check the production feeding process and mechanical condition. | |
| Electrical comparison | Resistance follows the specified metal section and coating | Resistance follows the specified metal area and coating | Compare length, material construction and resistance at the same temperature. |
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Products and specifications
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