管型母线受力状况相当于大跨度的梁，截面上的应力主要是自重弯矩的拉应力，挠度比较大。
The loading of a tubular busbar is equivalent to that of a large-span beam, and the stress on the cross -section is mainly the tensile stress of the dead weight bending moment with much deflection.
根据管型母线的相间距离，计算了管型母线表面工作场强，校验了管型母线的电晕及无线电干扰。
Based on the phase distance of the tubular bus, the working field strength of the surface of the tubular bus had been calculated and the corona and the radio interference of the tubular bus had be.
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