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Wrap-around shielded writers combining both trailing shield and side shield have been studied both by modeling and by experiments. WAS design is demonstrated to have superior performance over its predecessor trailing shielded writer in perpendicular magnetic recording systems. While maintaining the down-track performance, the side shield significantly reduces the side fringing field, thus enabling...
An analytic magnetic field calculation method based on scalar magnetic potential of tubular reference frame with Schwarz-Christoffel Transform is introduced, which is a new research method to work on the axial magnetized tubular permanent magnet linear synchronous motor. Due to this method, an elaborate academic analysis to magnetic field distribution of slotless motor is conducted; the computational...
A three-phase copper bus bars arrangement in low voltage system is investigated. Each phase main conductor consists in one up to four sub-conductors with rectangular cross sections. The short circuit may introduce great hazardous forces. In order to ensure bus bars and power system operate in security, verifying of short-circuit dynamic stability should be made. Three methods of calculating short-circuit...
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