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Wind
The bottom section of the wind tower which is bolted to the concrete base and houses electrical equipment and connection points for electrical cables.
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Towers are usually made from tubular steel and are designed to support the nacelle and spinning blades. Low or medium voltage electric cables as well as fiber optic cables run down through the tower to supply the generated electricity to the collection grid and transmit data about system performance.
Low Voltage Splices
For installations from 120V to 1kV, 3M offers several low voltage splice options, including 3M-developed cold shrink technology, heat shrink, resin and tape. 3M™ Low Voltage Splices are reliable in buried, overhead, indoor or outdoor applications.
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The nacelle sits atop the tower and contains the generator and associated electrical equipment and wiring, gear box, low- and high-speed shafts, controller, and brake.
Low Voltage Splices
For installations from 120V to 1kV, 3M offers several low voltage splice options, including 3M-developed cold shrink technology, heat shrink, resin and tape. 3M™ Low Voltage Splices are reliable in buried, overhead, indoor or outdoor applications.
View All Low Voltage Splices
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Windfarms commonly employ a 35 kV electrical collection grid that is made up of 3 medium voltage electrical cables bundled together and buried. These cables connect strings of wind turbines and then carry power back via main feeder cables to the substation. Due to the distances covered by a windfarm, lengths of buried cable must be joined/ spliced to form an uninterrupted electrical collection grid.
Medium Voltage Splices
For medium-voltage applications ranging from 1kV to 46kV, 3M provides splicing options in molded rubber, tape and resin kits. 3M also offers splices for underground and indoor use featuring cold shrink technology that 3M pioneered.
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Barricade Tapes
When you need to restrict or prohibit entry to dangerous areas, or alert pedestrians to hazards, 3M™ Scotch® Barricade Tapes are highly useful. Barricade Tapes are available in many colors and dimensions, and can be customized with logos or messages.
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An electrical substation for a windfarm takes the medium voltage power from the 35kV underground collection grid and transforms the power to high voltage (138kV, 230kV …) for transmission over long distances. Power cables must be terminated/ connected at both the medium and high-voltage ends of the substation.
Low Voltage Splices
For installations from 120V to 1kV, 3M offers several low voltage splice options, including 3M-developed cold shrink technology, heat shrink, resin and tape. 3M™ Low Voltage Splices are reliable in buried, overhead, indoor or outdoor applications.
View All Low Voltage Splices
Bus Bar Tubing
BBI-A
Get durable and reliable protection that prevents failures and downtime in applications from 5 – 35 kV. 3M™ Heat Shrinkable Bus Bar Tubing covers and insulates rectangular, square or round bus bars, resists splitting and solvents, and provides excellent tracking resistance.
Bus Bar Tubing BBI-A
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