Sumitomo Electric Industries, Ltd. has developed a novel magnet wire that has a uniform micro-closed cell structure in the insulation film. This paper discusses the excellent dielectric properties of the new magnet wire.-----Keywords: magnet wire, motor, partial discharge, low permittivity, withstand voltage life Utility Power supply Inverter Motor

2016年11月17日 · Designs featuring rectangular wire cross sections represent an innovation that has taken hold of the EV motor business to support higher duty in today’s full performance PHEV and EVs. As the...

Steep surges generated by high-voltage inverter-drive motors are expected to cause significant damage on the insulators of magnet wires. Sumitomo Electric Industries, Ltd. has developed a novel magnet wire with uniform closed microcells introduced into the insulation.

In terms of the coils of driving motors, the distributed winding method of round wires (whose cross section is round) and the concentrated winding method of rectangular wires (whose cross section is rectangular) used to be main-stream winding methods.

2015年1月13日 · Abstract: A stator structure with a rectangular wire distributed winding that exhibited high levels of productivity and extremely flexible design was designed for hybrid electric vehicle motors. We devised a method of forming thick rectangular wire diamond coils and determined the best conditions for forming high-density coils.

Thermax® PI/PAI is a high heat resistant enamel rectangular wire and highly reliable. This has a high space factor contributing to higher motor efficiency. Thermax® PI/PAI is used in high voltage driving motors for xEV. It is composed of rectangular copper with an enameled layer.

2010年8月19日 · This paper deals with the high power brushless DC motor used for traction in a 48 V golf cart system. The stator is designed with segment rectangular copper winding to maximize output power within its limited dimensions.

Microsquare Magnet Wire ® is miniature square and rectangular magnet wire for specialty coil and motor windings with tighter dimensional specifications. When space is at a premium, MWS Microsquare Film-Coated Magnet Wire allows design engineers to create compact coils and smaller motors with a tighter coil configuration than the same amount of ...

2024年12月11日 · The geometry of rectangular wire allows for tighter packing within motor coils, maximizing the use of available space. This space efficiency enables the design of more compact motors without compromising on power or performance.

2014年4月14日 · Aimed at providing small high-power motors with excellent efficiency, a motor stator with rectangular-wire lap windings and an automatic process for its production were developed. The structure of the windings, namely, two continuous “α-shaped” coils, and the coil-production method (involving simultaneous coil forming and coil insertion ...