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Drives are optimised for synchronous reluctance motors

04 February, 2019

At the recent SPS IPC Drives show, Siemens launched a new range of converters aimed mainly at pump and fan applications. With a power range of 0.75–630kW, the G120X drives can be used with any type of motor, but are optimised for use with Siemens’ synchronous reluctance motors.

The drives have built-in application-specific functions including: flux reduction to match the load; a “keep running” function to reduce speed before a shutdown; and an “eco” function that minimises losses and optimises performance and output power. A built-in DC link reactor ensures stable running under any network conditions.

The compact drives operate with efficiencies of more than 98% and can handle motor cable lengths of up to 150m without additional output reactors. They can be commissioned using the Sinamics Access panel or IOP-2 operator panel, and linked to Siemens’ MindSphere cloud using a Sinamics Connect 300 module. This allows operating data from the converter, drivetrain and machine to be analysed and visualised via the Analyze MyDrives app.

Siemens' G120X drives are aimed at fan and pump applications

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