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In order to investigate the influence of rotor eccentricity on magnetic density and core loss, a 55 kW induction motor was taken as an example in this paper, based on electromagnetic theory and Finite Element Method, a field-circuit coupling model was built to study magnetic density distribution and harmonic content with different eccentricity ratios under rated load conditions. The different eccentricity...
Application prospect of concrete curved bridges in China is described. The typical diseases of curved bridges in China are introduced. By ways of investigation and documents consultation five aspects are summed up which are considered to lead to the diseases happening. Based on the research status the action of a curved bridge under either prestress loads or temperature loads need a further study,...
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