PV module stringer specialist, teamtechnik has reduced cell-to-cell soldering cycle-times to below 2.25 second, boosting overall throughput of its single-track TT1600 stringer system to an annual output of 45MWp, inline with dual stringer systems, according to the company.
Improvements in throughput and productivity lower production costs. Only stringer systems with dual soldering lines have previously offered high throughput speeds but are more costly than single track systems.
With 1600 cycles per hour on one track and with a reliable 24/7 production, the Stringer TT1600 guarantees output at a level that has never been achieved before. At the same time, far fewer spare parts and operators are required than for dual-track systems. This also cuts production costs.
String soldering of conventional c-Si solar cells with Cell thickness > 160 µm and 2 and 3 bus bars.
teamtechnik uses a hold-down device in its systems to separate the soldering process from the cell handling process. This guarantees 1,600 cycles/hour on a single-track. At the same time the device ensures safe and reliable process steps and minimal breakage rates as well as precise positioning and alignment of cell and ribbon. The resulting strings offer impressive geometrical quality, linearity, length tolerance and cell gaps with excellent cell and ribbon positioning (± 0.2 mm position accurancy).
May 2014 onwards.