Motivated to develop a new current sensing technology using the best possible properties of a gap-less magnetic core and a single core construction as in single-core closed loop transducers, Slovenian test and measurement specialist Dewesoft […]
Like other industrial electric motors, Adventech’s MaxEff motor features an induction motor circuit. Unlike traditional models, however, it has a built-in, all-in-one induction generator circuit that is designed to use the same magnetic field, rotor, […]
Magnetoelastic sensor systems from magnetomechanical specialist MagCanica are bringing improved performance to intense rotating machinery including high-profile race cars as well as military aircraft. The company’s torque sensors are designed to provide laboratory-grade accuracy while being able to operate at extremely elevated rotational speeds of 140,000 rpm and higher. […]
Developers of some motor control systems are finding it advantageous to replace Hall Effect position sensors and older magnetic resolver solutions with inductive alternatives that eliminate expensive magnets and other heavy transformer-based structures so they […]
The electrification of the world is advancing in almost every industry, which has led to a rapid increase in the demand for high precision current sensors. VAC, a leading manufacturer of magnetic materials and products […]
Direct-cooled motors with hollow conductor stators offer several advantages over the indirect-cooled motors currently used in EVs, says Luvata of Finland, which has been making copper hollow conductors for more than sixty years. Adoption of the technology, typically used in more exotic applications such as superconduction, high-energy physics and magnetic resonance imaging, into mass-market electric vehicles faces considerable technical obstacles, however, and much higher cost than conventional magnet wire. […]
The revolutionary gate driver technology of Heyday Integrated Circuits is now in the portfolio of Allegro MicroSystems as the global sensing and power semiconductor company closed on its acquisition of the French IC specialist on […]
Melexis has developed an inductive sensing IC that is intrinsically immune to stray magnetic fields and functions as a high-speed resolver for e-mobility motors. It is designed for engineers needing absolute rotary motion and position […]
Allegro MicroSystems has introduced two new giant magnetoresistance sensors designed to control crankshafts and camshafts in hybrid electric vehicles. They feature a large air gap for simplified design-in, and an assembly that optimizes the IC-to-magnet […]
Permanent magnets (PM) are the heart of the drive systems used in the e-Mobility industry. The stronger the magnet is, the higher the higher the motor’s output and the smaller and lighter the motor can be built. But a powerful magnet must also be able to resist demagnetization by heat or a magnetic opposite field. The Dutch company Bakker Magnetics uses two new techniques with which permanent magnets can be produced even stronger and more robust: Grain Boundary Diffusion (GBD) and Grain Refining Technology (GRT). Major advantage: less Heavy Rare Earth Elements (HREE) are used. […]
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