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Zion, Illinois, USA

The top picture shows the inside of Zion Power Station, a decommissioned nuclear power plant near Chicago, IL, before the installation of the SSS Clutches. In order to use the two 800MW generators as synchronous condensers, the steam turbines were disconnected and an SSS Clutch added to each generator allowing a mobile motor/torque converter package to be coupled to the machine to drive the generator up to synchronous speed. In order to provide a turning drive a duo-​ concentric SSS Clutch was used.

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