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SCHLEIFRING was instantly responsive to the wind turbine manufacturer's demand for longer lifetime. By optimizing special material configurations the latest generation of slip ring assemblies allows excellent operating life of >100 Mio. rotations.
Although predominantly wind turbine slip rings utilizing precious metal sliding contact technology, SCHLEIFRING exclusively offers non-contacting transmission technologies for both power and data transmission, including all common bus systems
up to Gigabit Ethernet and EtherCAT.
A classic example: transmission of low power (e.g. 1.5 kW) for hydraulic pitch drive systems plus Ethernet data. Along with capacitive systems SCHLEIFRING provides active optical rotary joints. The active rotary joint unit facilitates each data format and data protocol and may even be used for analogue transmission and is suitable for the currently fastest common transmission components.
Advantages of non-contacting technologies: wear-resistance, high noise immunity combined with excellent EMC performance, high reliability and bit error rates of <10-13.
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