Inverter drives key to wind power

Article Abstract:

Inverter controlled winches are able to accurately and maintain pull forces of upto 40 tones in order to test the mechanical behavior of wind turbine blades up to 70m long. The equipment is installed at the New and Renewable Energy Center (NaREC) at Blyth in Northumberland where the drives communicate with the supervising Rockwell Automation PLC through a DeviceNet network.

Hoists, cranes, and monorails, Overhead Traveling Crane, Hoist, and Monorail System Manufacturing, Winches, Usage, Design and construction, Electric inverters

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Co-polymerizing extends life of plastics

Article Abstract:

Co polymerizing has led to long-term resistance to weathering and extreme temperature fluctuations and has also increased the life of plastics. At the same time, polymers with a strictly limited life, which when removed from sealed packets discolor can no longer be used are also available.

Petroleum Refineries, Petroleum refining, Polymerization, Methods, Polymers, Addition polymerization, Properties

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