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Wujiang Transformer Co. | Date: 2012-09-24

Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Electric cables; Current rectifiers; Electric capacitors; Electric converters; Electric installations for the remote control of industrial operations; Electric meters; Electric navigational instruments; Electric resistors; Electric switches; Electric wires; Electrical distribution boxes; Electronic measuring device that displays a manual wheelchair users propulsion activity, namely, number of pushes, distance traveled, speed, and cadence; Instruments and apparatus for controlling electric current, namely, electrical controllers for magnetic bearing control; Printed circuits.


Zhang W.-C.,Nanjing University of Aeronautics and Astronautics | Zhang W.-C.,Wujiang Transformer Co. | Pan F.-M.,Nanjing University of Aeronautics and Astronautics | Zhang X.-G.,Wujiang Transformer Co. | And 2 more authors.
Gaoya Dianqi/High Voltage Apparatus | Year: 2013

The finite element software ANSYS is adopted to simulate the electromagnetic field of a transformer and the power losses of its structural parts. The effects of the height of shielding plate on tank wall and the additional shielding rods located at winding ends on the stray losses of steel structural parts are analyzed. The results show that the introduction of the shielding rods can reduce both the leakage magnetic field in the clamps and the transverse magnetic field at coil ends, and can also significantly reduce the stray losses in the clamp and tank. The shielding plate with appropriate height can reduce the eddy current loss of some structural parts. This study may provide a reference for rational design of transformer. Source

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