Keep away from these points when routing bifacial module wires in solar tracker torque tubes

By Contributing Author May 9, 2022 View Profile

Bifacial modules proceed to have distinguished market share within the utility solar section. These modules proceed to have a big influence on the trade as a result of it utterly adjustments wire administration and the way the wires are routed.

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To forestall shading and maximize output, builders are placing a concentrate on routing the wires the place that shading is minimized, which nearly at all times finally ends up on the torque tube.

While the torque tube is a handy place to route the wires, it additionally supplies various challenges. There are restricted attachment factors to the place you may mount wire administration machine, resulting in restricted choices like an extended cable tie.

Often with a cable tie, the wires are then instantly routed on the torque tube. While this can be a comparatively protected place to maintain wires away from hurt, you continue to have many pinch factors that completely need to be averted like bearings, brackets, and motors. PV cable as a complete don’t maintain bend radiuses simply, thus needing extra wire administration elements round these areas.

Applications alongside the torque tube that may permit wires to free float and are designed to connect to both a bracket or the torque tube itself supplies a greater long-term resolution by permitting for higher airflow, much less direct contact with metallic, and clearance away from quite a lot of these pinch factors.

-Nick Korth is Market Development Manager at HellermannTyton.

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