INDUSTRY NEWS
Reducing the rate of turbine rotor teardowns
RPI has developed a system for the measurement and assembly of gas turbine rotors that reduces the rate of teardowns by 95%.
The assembly of a gas
turbine rotor is an extremely complicated and time- consuming process. It can take a week or more to assemble the rotor, and the geometric tolerances of the assembly must be very closely controlled to ensure efficient performance and safe operation. If the rotor doesn’t meet final assembly criteria, it’s
These costly teardowns can
be avoided if individual rotor component geometries are fully characterised and if the rotor assembly is simulated prior to its actual assembly. This virtual assembly process is commonly known as “rotor stacking.” RPI’s Integrated Measurement
subject to a ‘teardown’, where it must be completely disassembled and reassembled.
and Assembly Platform (iMAP) is a complete rotor stacking solution featuring a high-precision, motorised air-bearing rotary table, an AccuScan circular geometry
inspection system and IntelliStack rotor stacking software.
Solar trackers for French project
Nexans Solar Technologies (NST) has signed its first contract to design, manufacture and supply its Keylios solar trackers for Reden. Over 800 of the solar trackers will be installed at Reden’s next four solar parks, located in the southwest of France, with a combined peak capacity of 26MW. Solar trackers optimise the output
of large scale commercial solar parks by enabling the solar panels to follow the sun’s daily path across the sky. Typically, using trackers will increase the electricity output of a solar park
by 15 to 25% compared to fixed structures. Unlike conventional centralised beam structures that only support a single vertical row of modules (1V), the Keylios features a robust truss beam structure that is specifically designed to support a double vertical row (2V), bringing a much greater resistance to the climatic forces that cause some 50% of the failures in solar parks and will therefore increase the reliability and life of the asset.
NEW BLADE INSPECTION TECH
Sulzer & Schmid, a Swiss company pioneering UAV technology for wind rotor blade inspections, has announced that Vestas has extended the use of its DJI drone-based blade inspection technology to offer enhanced inspection services across the Asia- Pacific region. Sulzer & Schmid’s solution combines autonomous flight function, high-resolution imaging and an advanced software interface, enabling Vestas to reduce blade inspection time and maximise turbine uptime. The two firms have combined their expertise to develop a new flight technology stack that enables the UAV DJI Matrice 210 to autonomously inspect wind turbine blades.
www.engineerlive.com 7
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