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These custom ABM Drives synchronous motors can operate without an encoder

April 25, 2017 By Chris Newmarker

ABM Drives Sinochron synchronous motorsThe Sinochron motor design from ABM Drives (Loveland, Ohio) offers advantages in continuous duty applications. The efficiency is also better in partially loaded duty cycles when compared to standard asynchronous motors. Drive units are virtually loss-free in no-load operation. This motor design offers advantages in powering conveying equipment; escalators, spooling machines, compressors and traction drive units amongst others. By substituting existing line powered three-phase drive units, energy savings of 20–35% can be expected.

Sinochron is a synchronous motor with high-performance permanent magnets with a sinusoidal flux distribution (EMF). The anisotropic rotor geometry provides a sinusoidal distribution of the magnetic flux with the result of eliminating cogging. Stator windings are identical to asynchronous motor windings allowing for a cost-efficient production of the stators in large batch sizes. The Sinochron motor operates without an encoder and can replace a stepper motor in some applications. This patented technology combines high output, minimal investment and low operating cost.

The characteristic profile of these drive units makes them well suited to drive pumps and fans that operate continuously, no additional components, like encoders, are needed. An up to 30% smaller footprint allows machine designs to be more compact. The motors have excellent control behavior, and combined with included control unit SDC, have excellent true running even at very low speeds and impressive dynamics at impulse load and speed variations.

Continuous duty pumps and fans are now required to meet new efficiency regulations which require line powered three-phase motors and geared motors with rated outputs of  0.2 up to  9.0 kW operating continuously at rated load (duty cycle S1) to be a minimum of efficiency class IE3 (premium efficiency) or IE2-drive units to be equipped with electronic inverters. Inverter powered Sinochron motors from ABM Drives economically meet these requirementss.

ABM Drives engineers and manufacturers high-performance motor, gearbox, brake and frequency inverter solutions for machines, plants and mobile devices in hoisting technology, warehousing, material handling, electric vehicles, biomass heating systems, wind turbines and many other markets including healthcare. Founded in 1927, the company belongs to the Senata Group with an annual turnover of nearly 400 million € and more than 2,000 employees. Approximately 300,000 drive units are produced annually. In-house manufacturing includes tool-and-die design, aluminum-casting foundry, CNC housing machining, manufacturer of shafts, cutting of gear teeth, motor development technology, assembly and final testings.
ABM Drives
www.abm-drives.com
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About The Author

Chris Newmarker

Chris Newmarker is the executive editor of WTWH Media life science's news websites and publications including MassDevice, Medical Design & Outsourcing and more. A professional journalist of 18 years, he is a veteran of UBM (now Informa) and The Associated Press whose career has taken him from Ohio to Virginia, New Jersey and, most recently, Minnesota. He’s covered a wide variety of subjects, but his focus over the past decade has been business and technology. He holds bachelor’s degrees in journalism and political science from Ohio State University. Connect with him on LinkedIn or email at cnewmarker@wtwhmedia.com.

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