Electronic Design

Motor Windings Tester Features Response Waveform Quantification

HIOKI recently announced the launch of the Impulse Winding Tester ST4030, which is the company’s first instrument to provide functionality for testing for defects in motor windings. HIOKI provides a ...
Electronic Design

Motor stator test system uses negative pressure to detect vulnerabilities

Foothill Ranch, CA. Chroma Systems Solutions Inc. has announced the release of its negative-pressure 1920 Motor Stator Test System. Specially designed for motor stator coil production and quality ...
Nature

Experimental evaluation of differential voltage protection scheme based on a coherence function applied to AC machine stator windings

A coherence algorithm is used to detect and classify electrical faults in the stator windings of the induction machine in this paper. The approach can definitely define turn-to-turn and internal shunt ...
Nature

Experimental performance examination of a coherence technique-based numerical differential current relay for AC machine stator windings protection

The technique develops a new design for quadratic tripping curves based on both auto-coherence and cross-coherence estimators, which is established to discriminate between turn-to-turn, internal, and ...
EDN

Improving current control for better stepper motor motion quality

Bipolar stepper motors are used in many applications, from driving paper through a printer to moving an XY stage in industrial equipment. Typically, the motors are driven and controlled by inexpensive ...
Nanowerk

Prototype electrical motor uses carbon nanotube yarn in the motor windings (w/video)

(Nanowerk News) Lappeenranta University of Technology (LUT) in Finland has constructed the world’s first prototype electrical motor using carbon nanotube yarn in the motor windings. The new technology ...