Siemens adds AH90 and AH225 shaft heights to line of Simotics synchronous-reluctance motors | Automation.com

Siemens adds AH90 and AH225 shaft heights to line of Simotics synchronous-reluctance motors

Siemens adds AH90 and AH225 shaft heights to line of Simotics synchronous-reluctance motors

April 26, 2018 - Siemens is extending its portfolio of Simotics synchronous-reluctance motors to include two shaft heights, AH90 and AH225. With these additions, the company is addressing calls from manufacturers of pumps, fans, compressors and machine builders in general for different shaft heights. The motors are available in a power range of 0.55 to 45 kilowatts (kW), and also with rated speeds of 1500 and 3000 revolutions per min-1. In conjunction with the recently launched Sinamics Reluctance Control License, encoderless closed-loop torque control is possible down to a standstill. The license enables field-oriented (vector) closed-loop control even when at a standstill.

Siemens has equipped the motors and converters with a data matrix code. Attached to the motor enclosure and the display or converter housing, this code provides users with access to technical data, spare part information and operating instructions at a glance. The data is accessed with the aid of a mobile terminal and the Simotics Digital Data App for motors, or alternatively the Siemens Industry Online Support App for converters.

As an integrated drive system, Simotics reluctance motors and Sinamics converters are specifically coordinated to work together. The coordinated system comprising a Sinamics G120 converter and synchronous-reluctance motor enables closed-loop control of pumps, fans and compressors. By combining the Sinamics S120 converter and Sinamics Reluctance Control License, it is even possible to achieve encoderless closed-loop control down to a standstill, enabling applications in conjunction with coilers, servo pumps and extruders.

Synchronous-reluctance drive systems operate with energy efficiency, while also providing greater power reserves than a comparable asynchronous drive. Particularly in comparison to asynchronous technology, with its Simotics synchronous-reluctance motors, Siemens enables efficiency to be achieved at the rated operating point and in the partial load range while at the same time ensuring power density and performance. 

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