News Release from Baumer Group International Sales


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The dependable solution for positioning tasks at wind turbines: Absolute encoder and resolver in a single device

There are plenty of good reasons for merging different measuring systems and technologies in a single device: Less space consumption and reduced installation and maintenance effort go together with a very attractive and competitive price. The two-in-one product combines the functionalities of an absolute encoder and a resolver. Specifically conceived for wind turbines, it allows for precise pitch and yaw control, reliable emergency-off and dependable motor feedback. All these application objectives are mastered by a single device.

All Wind power stations pose demanding requirements to the sensors deployed since reliability, safety and the aspects of cost-effectiveness are prerequisites for fail-safe plant operation. Again, Baumer is setting new benchmarks by the series ATD 2S MAGRES + Resolver (photo). The robust measuring system comprising an absolute singleturn respectively multiturn encoder and a resolver is accommodated in a well-conceived, easy-to-mount design. The encoder provides ultra-precise, high-resolution SSI signals (12 bit singleturn / 12 bit multiturn) that ensure positioning with pin-point accuracy. The integrated resolver that is galvanically insulated from the encoder electronics allows straight evaluation of the motor feedback by the frequency converter for speed control in the pitch and yaw system (Azimuth). The magnetic sensing principle, high protections up to IP67 and an optional salt-water resistant surface coating make the new two-in-one device predestined for the harsh conditions prevailing offshore. Baumer really has left nothing to chance by implementing predictive and preventive maintenance techniques: The integrated self-diagnosing functionality will give a pre-warning to the downstream electronics well in advance of an eventual failure.
Baumer Group
Heinrich Greiner

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