Top level lift control via a 220 metre cable A case study from Emotron220 m Only Emotron and Otis were willing to accept the chal- lenge of modernizing this lift. One of the difficulties that kept competitors from even considering the project was the 220 metre cable connecting the motor and the converter. What’s more, the client wished to keep the original DC motor. The lift is now up and running, taking anyone who dares up the tower of Duisburg Stadtwerke for a dizzying view. Up to 180 metres at 3 m/s The tower of the Duisburg Stadtwerke has been a landmark of this German city since 1967. It is actu- ally the 200 metre tall chimney of the municipal power plant which generates electricity and district heating. The chimney consists of three flue gas conduits with a central lift

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